thioredoxin domain-containing protein 11 isoform X2 [Mus musculus]
Protein Classification
List of domain hits
| Name | Accession | Description | Interval | E-value | |||||
| PDI_a_PDI_a'_C | cd02995 | PDIa family, C-terminal TRX domain (a') subfamily; composed of the C-terminal redox active a' ... |
586-688 | 2.23e-38 | |||||
PDIa family, C-terminal TRX domain (a') subfamily; composed of the C-terminal redox active a' domains of PDI, ERp72, ERp57 (or ERp60) and EFP1. PDI, ERp72 and ERp57 are endoplasmic reticulum (ER)-resident eukaryotic proteins involved in oxidative protein folding. They are oxidases, catalyzing the formation of disulfide bonds of newly synthesized polypeptides in the ER. They also exhibit reductase activity in acting as isomerases to correct any non-native disulfide bonds, as well as chaperone activity to prevent protein aggregation and facilitate the folding of newly synthesized proteins. PDI and ERp57 have the abb'a' domain structure (where a and a' are redox active TRX domains while b and b' are redox inactive TRX-like domains). PDI also contains an acidic region (c domain) after the a' domain that is absent in ERp57. ERp72 has an additional a domain at the N-terminus (a"abb'a' domain structure). ERp57 interacts with the lectin chaperones, calnexin and calreticulin, and specifically promotes the oxidative folding of glycoproteins, while PDI shows a wider substrate specificity. ERp72 associates with several ER chaperones and folding factors to form complexes in the ER that bind nascent proteins. EFP1 is a binding partner protein of thyroid oxidase, which is responsible for the generation of hydrogen peroxide, a crucial substrate of thyroperoxidase, which functions to iodinate thyroglobulin and synthesize thyroid hormones. : Pssm-ID: 239293 [Multi-domain] Cd Length: 104 Bit Score: 138.07 E-value: 2.23e-38
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| Thioredoxin_like super family | cl00388 | Protein Disulfide Oxidoreductases and Other Proteins with a Thioredoxin fold; The thioredoxin ... |
76-130 | 2.46e-30 | |||||
Protein Disulfide Oxidoreductases and Other Proteins with a Thioredoxin fold; The thioredoxin (TRX)-like superfamily is a large, diverse group of proteins containing a TRX fold. Many members contain a classic TRX domain with a redox active CXXC motif. They function as protein disulfide oxidoreductases (PDOs), altering the redox state of target proteins via the reversible oxidation of their active site dithiol. The PDO members of this superfamily include the families of TRX, protein disulfide isomerase (PDI), tlpA, glutaredoxin, NrdH redoxin, and bacterial Dsb proteins (DsbA, DsbC, DsbG, DsbE, DsbDgamma). Members of the superfamily that do not function as PDOs but contain a TRX-fold domain include phosducins, peroxiredoxins, glutathione (GSH) peroxidases, SCO proteins, GSH transferases (GST, N-terminal domain), arsenic reductases, TRX-like ferredoxins and calsequestrin, among others. The actual alignment was detected with superfamily member cd03006: Pssm-ID: 469754 Cd Length: 113 Bit Score: 115.65 E-value: 2.46e-30
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| PTZ00102 super family | cl36508 | disulphide isomerase; Provisional |
429-692 | 1.76e-10 | |||||
disulphide isomerase; Provisional The actual alignment was detected with superfamily member PTZ00102: Pssm-ID: 240266 [Multi-domain] Cd Length: 477 Bit Score: 64.39 E-value: 1.76e-10
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| Thioredoxin_6 super family | cl37871 | Thioredoxin-like domain; |
185-322 | 2.42e-04 | |||||
Thioredoxin-like domain; The actual alignment was detected with superfamily member pfam13848: Pssm-ID: 463999 [Multi-domain] Cd Length: 184 Bit Score: 42.73 E-value: 2.42e-04
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| ATG16 super family | cl25514 | Autophagy protein 16 (ATG16); Autophagy is a ubiquitous intracellular degradation system for ... |
688-798 | 2.78e-03 | |||||
Autophagy protein 16 (ATG16); Autophagy is a ubiquitous intracellular degradation system for eukaryotic cells. During autophagy, cytoplasmic components are enclosed in autophagosomes and delivered to lysosomes/vacuoles. ATG16 (also known as Apg16) has been shown to be bind to Apg5 and is required for the function of the Apg12p-Apg5p conjugate in the yeast autophagy pathway. The actual alignment was detected with superfamily member pfam08614: Pssm-ID: 462536 [Multi-domain] Cd Length: 176 Bit Score: 39.53 E-value: 2.78e-03
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| Name | Accession | Description | Interval | E-value | |||||
| PDI_a_PDI_a'_C | cd02995 | PDIa family, C-terminal TRX domain (a') subfamily; composed of the C-terminal redox active a' ... |
586-688 | 2.23e-38 | |||||
PDIa family, C-terminal TRX domain (a') subfamily; composed of the C-terminal redox active a' domains of PDI, ERp72, ERp57 (or ERp60) and EFP1. PDI, ERp72 and ERp57 are endoplasmic reticulum (ER)-resident eukaryotic proteins involved in oxidative protein folding. They are oxidases, catalyzing the formation of disulfide bonds of newly synthesized polypeptides in the ER. They also exhibit reductase activity in acting as isomerases to correct any non-native disulfide bonds, as well as chaperone activity to prevent protein aggregation and facilitate the folding of newly synthesized proteins. PDI and ERp57 have the abb'a' domain structure (where a and a' are redox active TRX domains while b and b' are redox inactive TRX-like domains). PDI also contains an acidic region (c domain) after the a' domain that is absent in ERp57. ERp72 has an additional a domain at the N-terminus (a"abb'a' domain structure). ERp57 interacts with the lectin chaperones, calnexin and calreticulin, and specifically promotes the oxidative folding of glycoproteins, while PDI shows a wider substrate specificity. ERp72 associates with several ER chaperones and folding factors to form complexes in the ER that bind nascent proteins. EFP1 is a binding partner protein of thyroid oxidase, which is responsible for the generation of hydrogen peroxide, a crucial substrate of thyroperoxidase, which functions to iodinate thyroglobulin and synthesize thyroid hormones. Pssm-ID: 239293 [Multi-domain] Cd Length: 104 Bit Score: 138.07 E-value: 2.23e-38
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| PDI_a_EFP1_N | cd03006 | PDIa family, N-terminal EFP1 subfamily; EFP1 is a binding partner protein of thyroid oxidase ... |
76-130 | 2.46e-30 | |||||
PDIa family, N-terminal EFP1 subfamily; EFP1 is a binding partner protein of thyroid oxidase (ThOX), also called Duox. ThOX proteins are responsible for the generation of hydrogen peroxide, a crucial substrate of thyroperoxidase, which functions to iodinate thyroglobulin and synthesize thyroid hormones. EFP1 was isolated through a yeast two-hybrid method using the EF-hand fragment of dog Duox1 as a bait. It could be one of the partners in the assembly of a multiprotein complex constituting the thyroid hydrogen peroxide generating system. EFP1 contains two TRX domains related to the redox active TRX domains of protein disulfide isomerase (PDI). This subfamily is composed of the N-terminal TRX domain of EFP1, which contains a CXXS sequence in place of the typical CXXC motif, similar to ERp44. The CXXS motif allows the formation of stable mixed disulfides, crucial for the ER-retention function of ERp44. Pssm-ID: 239304 Cd Length: 113 Bit Score: 115.65 E-value: 2.46e-30
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| ER_PDI_fam | TIGR01130 | protein disulfide isomerase, eukaryotic; This model represents eukaryotic protein disulfide ... |
532-692 | 1.47e-13 | |||||
protein disulfide isomerase, eukaryotic; This model represents eukaryotic protein disulfide isomerases retained in the endoplasmic reticulum (ER) and closely related forms. Some members have been assigned alternative or additional functions such as prolyl 4-hydroxylase and dolichyl-diphosphooligosaccharide-protein glycotransferase. Members of this family have at least two protein-disulfide domains, each similar to thioredoxin but with the redox-active disulfide in the motif PWCGHCK, and an ER retention signal at the extreme C-terminus (KDEL, HDEL, and similar motifs). Pssm-ID: 273457 [Multi-domain] Cd Length: 462 Bit Score: 73.94 E-value: 1.47e-13
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| CnoX | COG3118 | Chaperedoxin CnoX, contains thioredoxin-like and TPR-like domains, YbbN/TrxSC family ... |
586-662 | 1.62e-10 | |||||
Chaperedoxin CnoX, contains thioredoxin-like and TPR-like domains, YbbN/TrxSC family [Posttranslational modification, protein turnover, chaperones]; Pssm-ID: 442352 [Multi-domain] Cd Length: 105 Bit Score: 58.68 E-value: 1.62e-10
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| PTZ00102 | PTZ00102 | disulphide isomerase; Provisional |
429-692 | 1.76e-10 | |||||
disulphide isomerase; Provisional Pssm-ID: 240266 [Multi-domain] Cd Length: 477 Bit Score: 64.39 E-value: 1.76e-10
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| Thioredoxin | pfam00085 | Thioredoxin; Thioredoxins are small enzymes that participate in redox reactions, via the ... |
587-663 | 1.35e-07 | |||||
Thioredoxin; Thioredoxins are small enzymes that participate in redox reactions, via the reversible oxidation of an active centre disulfide bond. Some members with only the active site are not separated from the noise. Pssm-ID: 395038 [Multi-domain] Cd Length: 103 Bit Score: 50.31 E-value: 1.35e-07
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| PTZ00102 | PTZ00102 | disulphide isomerase; Provisional |
554-675 | 4.23e-06 | |||||
disulphide isomerase; Provisional Pssm-ID: 240266 [Multi-domain] Cd Length: 477 Bit Score: 50.13 E-value: 4.23e-06
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| Thioredoxin_6 | pfam13848 | Thioredoxin-like domain; |
185-322 | 2.42e-04 | |||||
Thioredoxin-like domain; Pssm-ID: 463999 [Multi-domain] Cd Length: 184 Bit Score: 42.73 E-value: 2.42e-04
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| PDI_b_family | cd02981 | Protein Disulfide Isomerase (PDIb) family, redox inactive TRX-like domain b; composed of ... |
140-244 | 3.60e-04 | |||||
Protein Disulfide Isomerase (PDIb) family, redox inactive TRX-like domain b; composed of eukaryotic proteins involved in oxidative protein folding in the endoplasmic reticulum (ER) by acting as catalysts and folding assistants. Members of this family include PDI, calsequestrin and other PDI-related proteins like ERp72, ERp57, ERp44 and PDIR. PDI, ERp57 (or ERp60), ERp72 and PDIR are all oxidases, catalyzing the formation of disulfide bonds of newly synthesized polypeptides in the ER. They also exhibit reductase activity in acting as isomerases to correct any non-native disulfide bonds, as well as chaperone activity to prevent protein aggregation and facilitate the folding of newly synthesized proteins. These proteins contain multiple copies of a redox active TRX (a) domain containing a CXXC motif, and one or more redox inactive TRX-like (b) domains. The molecular structure of PDI is abb'a'. Also included in this family is the PDI-related protein ERp27, which contains only redox-inactive TRX-like (b and b') domains. The redox inactive b domains are implicated in substrate recognition. Pssm-ID: 239279 Cd Length: 97 Bit Score: 40.40 E-value: 3.60e-04
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| ATG16 | pfam08614 | Autophagy protein 16 (ATG16); Autophagy is a ubiquitous intracellular degradation system for ... |
688-798 | 2.78e-03 | |||||
Autophagy protein 16 (ATG16); Autophagy is a ubiquitous intracellular degradation system for eukaryotic cells. During autophagy, cytoplasmic components are enclosed in autophagosomes and delivered to lysosomes/vacuoles. ATG16 (also known as Apg16) has been shown to be bind to Apg5 and is required for the function of the Apg12p-Apg5p conjugate in the yeast autophagy pathway. Pssm-ID: 462536 [Multi-domain] Cd Length: 176 Bit Score: 39.53 E-value: 2.78e-03
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| Smc | COG1196 | Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; ... |
707-798 | 9.52e-03 | |||||
Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; Pssm-ID: 440809 [Multi-domain] Cd Length: 983 Bit Score: 39.92 E-value: 9.52e-03
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| Name | Accession | Description | Interval | E-value | |||||
| PDI_a_PDI_a'_C | cd02995 | PDIa family, C-terminal TRX domain (a') subfamily; composed of the C-terminal redox active a' ... |
586-688 | 2.23e-38 | |||||
PDIa family, C-terminal TRX domain (a') subfamily; composed of the C-terminal redox active a' domains of PDI, ERp72, ERp57 (or ERp60) and EFP1. PDI, ERp72 and ERp57 are endoplasmic reticulum (ER)-resident eukaryotic proteins involved in oxidative protein folding. They are oxidases, catalyzing the formation of disulfide bonds of newly synthesized polypeptides in the ER. They also exhibit reductase activity in acting as isomerases to correct any non-native disulfide bonds, as well as chaperone activity to prevent protein aggregation and facilitate the folding of newly synthesized proteins. PDI and ERp57 have the abb'a' domain structure (where a and a' are redox active TRX domains while b and b' are redox inactive TRX-like domains). PDI also contains an acidic region (c domain) after the a' domain that is absent in ERp57. ERp72 has an additional a domain at the N-terminus (a"abb'a' domain structure). ERp57 interacts with the lectin chaperones, calnexin and calreticulin, and specifically promotes the oxidative folding of glycoproteins, while PDI shows a wider substrate specificity. ERp72 associates with several ER chaperones and folding factors to form complexes in the ER that bind nascent proteins. EFP1 is a binding partner protein of thyroid oxidase, which is responsible for the generation of hydrogen peroxide, a crucial substrate of thyroperoxidase, which functions to iodinate thyroglobulin and synthesize thyroid hormones. Pssm-ID: 239293 [Multi-domain] Cd Length: 104 Bit Score: 138.07 E-value: 2.23e-38
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| PDI_a_EFP1_N | cd03006 | PDIa family, N-terminal EFP1 subfamily; EFP1 is a binding partner protein of thyroid oxidase ... |
76-130 | 2.46e-30 | |||||
PDIa family, N-terminal EFP1 subfamily; EFP1 is a binding partner protein of thyroid oxidase (ThOX), also called Duox. ThOX proteins are responsible for the generation of hydrogen peroxide, a crucial substrate of thyroperoxidase, which functions to iodinate thyroglobulin and synthesize thyroid hormones. EFP1 was isolated through a yeast two-hybrid method using the EF-hand fragment of dog Duox1 as a bait. It could be one of the partners in the assembly of a multiprotein complex constituting the thyroid hydrogen peroxide generating system. EFP1 contains two TRX domains related to the redox active TRX domains of protein disulfide isomerase (PDI). This subfamily is composed of the N-terminal TRX domain of EFP1, which contains a CXXS sequence in place of the typical CXXC motif, similar to ERp44. The CXXS motif allows the formation of stable mixed disulfides, crucial for the ER-retention function of ERp44. Pssm-ID: 239304 Cd Length: 113 Bit Score: 115.65 E-value: 2.46e-30
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| PDI_a_family | cd02961 | Protein Disulfide Isomerase (PDIa) family, redox active TRX domains; composed of eukaryotic ... |
587-688 | 4.02e-22 | |||||
Protein Disulfide Isomerase (PDIa) family, redox active TRX domains; composed of eukaryotic proteins involved in oxidative protein folding in the endoplasmic reticulum (ER) by acting as catalysts and folding assistants. Members of this family include PDI and PDI-related proteins like ERp72, ERp57 (or ERp60), ERp44, P5, PDIR, ERp46 and the transmembrane PDIs. PDI, ERp57, ERp72, P5, PDIR and ERp46 are all oxidases, catalyzing the formation of disulfide bonds of newly synthesized polypeptides in the ER. They also exhibit reductase activity in acting as isomerases to correct any non-native disulfide bonds, as well as chaperone activity to prevent protein aggregation and facilitate the folding of newly synthesized proteins. These proteins usually contain multiple copies of a redox active TRX (a) domain containing a CXXC motif, and may also contain one or more redox inactive TRX-like (b) domains. Only one a domain is required for the oxidase function but multiple copies are necessary for the isomerase function. The different types of PDIs may show different substrate specificities and tissue-specific expression, or may be induced by stress. PDIs are in their reduced form at steady state and are oxidized to the active form by Ero1, which is localized in the ER through ERp44. Some members of this family also contain a DnaJ domain in addition to the redox active a domains; examples are ERdj5 and Pfj2. Also included in the family is the redox inactive N-terminal TRX-like domain of ERp29. Pssm-ID: 239259 [Multi-domain] Cd Length: 101 Bit Score: 91.52 E-value: 4.02e-22
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| ER_PDI_fam | TIGR01130 | protein disulfide isomerase, eukaryotic; This model represents eukaryotic protein disulfide ... |
532-692 | 1.47e-13 | |||||
protein disulfide isomerase, eukaryotic; This model represents eukaryotic protein disulfide isomerases retained in the endoplasmic reticulum (ER) and closely related forms. Some members have been assigned alternative or additional functions such as prolyl 4-hydroxylase and dolichyl-diphosphooligosaccharide-protein glycotransferase. Members of this family have at least two protein-disulfide domains, each similar to thioredoxin but with the redox-active disulfide in the motif PWCGHCK, and an ER retention signal at the extreme C-terminus (KDEL, HDEL, and similar motifs). Pssm-ID: 273457 [Multi-domain] Cd Length: 462 Bit Score: 73.94 E-value: 1.47e-13
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| CnoX | COG3118 | Chaperedoxin CnoX, contains thioredoxin-like and TPR-like domains, YbbN/TrxSC family ... |
586-662 | 1.62e-10 | |||||
Chaperedoxin CnoX, contains thioredoxin-like and TPR-like domains, YbbN/TrxSC family [Posttranslational modification, protein turnover, chaperones]; Pssm-ID: 442352 [Multi-domain] Cd Length: 105 Bit Score: 58.68 E-value: 1.62e-10
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| PTZ00102 | PTZ00102 | disulphide isomerase; Provisional |
429-692 | 1.76e-10 | |||||
disulphide isomerase; Provisional Pssm-ID: 240266 [Multi-domain] Cd Length: 477 Bit Score: 64.39 E-value: 1.76e-10
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| PDI_a_ERp38 | cd02998 | PDIa family, endoplasmic reticulum protein 38 (ERp38) subfamily; composed of proteins similar ... |
586-688 | 4.41e-10 | |||||
PDIa family, endoplasmic reticulum protein 38 (ERp38) subfamily; composed of proteins similar to the P5-like protein first isolated from alfalfa, which contains two redox active TRX (a) domains at the N-terminus, like human P5, and a C-terminal domain with homology to the C-terminal domain of ERp29, unlike human P5. The cDNA clone of this protein (named G1) was isolated from an alfalfa cDNA library by screening with human protein disulfide isomerase (PDI) cDNA. The G1 protein is constitutively expressed in all major organs of the plant and its expression is induced by treatment with tunicamycin, indicating that it may be a glucose-regulated protein. The G1 homolog in the eukaryotic social amoeba Dictyostelium discoideum is also described as a P5-like protein, which is located in the endoplasmic reticulum (ER) despite the absence of an ER-retrieval signal. G1 homologs from Aspergillus niger and Neurospora crassa have also been characterized, and are named TIGA and ERp38, respectively. Also included in the alignment is an atypical PDI from Leishmania donovani containing a single a domain, and the C-terminal a domain of a P5-like protein from Entamoeba histolytica. Pssm-ID: 239296 [Multi-domain] Cd Length: 105 Bit Score: 57.65 E-value: 4.41e-10
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| Thioredoxin | pfam00085 | Thioredoxin; Thioredoxins are small enzymes that participate in redox reactions, via the ... |
587-663 | 1.35e-07 | |||||
Thioredoxin; Thioredoxins are small enzymes that participate in redox reactions, via the reversible oxidation of an active centre disulfide bond. Some members with only the active site are not separated from the noise. Pssm-ID: 395038 [Multi-domain] Cd Length: 103 Bit Score: 50.31 E-value: 1.35e-07
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| PDI_a_APS_reductase | cd02993 | PDIa family, 5'-Adenylylsulfate (APS) reductase subfamily; composed of plant-type APS ... |
600-688 | 6.11e-07 | |||||
PDIa family, 5'-Adenylylsulfate (APS) reductase subfamily; composed of plant-type APS reductases containing a C-terminal redox active TRX domain and an N-terminal reductase domain which is part of a superfamily that includes N type ATP PPases. APS reductase catalyzes the reduction of activated sulfate to sulfite, a key step in the biosynthesis of sulfur-containing metabolites. Sulfate is first activated by ATP sulfurylase, forming APS, which can be phosphorylated to 3'-phosphoadenosine-5'-phosphosulfate (PAPS). Depending on the organism, either APS or PAPS can be used for sulfate reduction. Prokaryotes and fungi use PAPS, whereas plants use both APS and PAPS. Since plant-type APS reductase uses glutathione (GSH) as its electron donor, the C-terminal domain may function like glutaredoxin, a GSH-dependent member of the TRX superfamily. The flow of reducing equivalents goes from GSH -> C-terminal TRX domain -> N-terminal reductase domain -> APS. Plant-type APS reductase shows no homology to that of dissimilatory sulfate-reducing bacteria, which is an iron-sulfur flavoenzyme. Also included in the alignment is EYE2 from Chlamydomonas reinhardtii, a protein required for eyespot assembly. Pssm-ID: 239291 [Multi-domain] Cd Length: 109 Bit Score: 48.60 E-value: 6.11e-07
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| PDI_a_family | cd02961 | Protein Disulfide Isomerase (PDIa) family, redox active TRX domains; composed of eukaryotic ... |
76-130 | 1.15e-06 | |||||
Protein Disulfide Isomerase (PDIa) family, redox active TRX domains; composed of eukaryotic proteins involved in oxidative protein folding in the endoplasmic reticulum (ER) by acting as catalysts and folding assistants. Members of this family include PDI and PDI-related proteins like ERp72, ERp57 (or ERp60), ERp44, P5, PDIR, ERp46 and the transmembrane PDIs. PDI, ERp57, ERp72, P5, PDIR and ERp46 are all oxidases, catalyzing the formation of disulfide bonds of newly synthesized polypeptides in the ER. They also exhibit reductase activity in acting as isomerases to correct any non-native disulfide bonds, as well as chaperone activity to prevent protein aggregation and facilitate the folding of newly synthesized proteins. These proteins usually contain multiple copies of a redox active TRX (a) domain containing a CXXC motif, and may also contain one or more redox inactive TRX-like (b) domains. Only one a domain is required for the oxidase function but multiple copies are necessary for the isomerase function. The different types of PDIs may show different substrate specificities and tissue-specific expression, or may be induced by stress. PDIs are in their reduced form at steady state and are oxidized to the active form by Ero1, which is localized in the ER through ERp44. Some members of this family also contain a DnaJ domain in addition to the redox active a domains; examples are ERdj5 and Pfj2. Also included in the family is the redox inactive N-terminal TRX-like domain of ERp29. Pssm-ID: 239259 [Multi-domain] Cd Length: 101 Bit Score: 47.61 E-value: 1.15e-06
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| PTZ00102 | PTZ00102 | disulphide isomerase; Provisional |
554-675 | 4.23e-06 | |||||
disulphide isomerase; Provisional Pssm-ID: 240266 [Multi-domain] Cd Length: 477 Bit Score: 50.13 E-value: 4.23e-06
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| APS_reduc | TIGR00424 | 5'-adenylylsulfate reductase, thioredoxin-independent; This enzyme, involved in the ... |
600-686 | 2.39e-05 | |||||
5'-adenylylsulfate reductase, thioredoxin-independent; This enzyme, involved in the assimilation of inorganic sulfate, is closely related to the thioredoxin-dependent PAPS reductase of Bacteria (CysH) and Saccharomyces cerevisiae. However, it has its own C-terminal thioredoxin-like domain and is not thioredoxin-dependent. Also, it has a substrate preference for 5'-adenylylsulfate (APS) over 3'-phosphoadenylylsulfate (PAPS) so the pathway does not require an APS kinase (CysC) to convert APS to PAPS. Arabidopsis thaliana appears to have three isozymes, all able to complement E. coli CysH mutants (even in backgrounds lacking thioredoxin or APS kinase) but likely localized to different compartments in Arabidopsis. [Central intermediary metabolism, Sulfur metabolism] Pssm-ID: 273072 [Multi-domain] Cd Length: 463 Bit Score: 47.70 E-value: 2.39e-05
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| TRX_family | cd02947 | TRX family; composed of two groups: Group I, which includes proteins that exclusively encode a ... |
592-662 | 6.59e-05 | |||||
TRX family; composed of two groups: Group I, which includes proteins that exclusively encode a TRX domain; and Group II, which are composed of fusion proteins of TRX and additional domains. Group I TRX is a small ancient protein that alter the redox state of target proteins via the reversible oxidation of an active site dithiol, present in a CXXC motif, partially exposed at the protein's surface. TRX reduces protein disulfide bonds, resulting in a disulfide bond at its active site. Oxidized TRX is converted to the active form by TRX reductase, using reducing equivalents derived from either NADPH or ferredoxins. By altering their redox state, TRX regulates the functions of at least 30 target proteins, some of which are enzymes and transcription factors. It also plays an important role in the defense against oxidative stress by directly reducing hydrogen peroxide and certain radicals, and by serving as a reductant for peroxiredoxins. At least two major types of functional TRXs have been reported in most organisms; in eukaryotes, they are located in the cytoplasm and the mitochondria. Higher plants contain more types (at least 20 TRX genes have been detected in the genome of Arabidopsis thaliana), two of which (types f amd m) are located in the same compartment, the chloroplast. Also included in the alignment are TRX-like domains which show sequence homology to TRX but do not contain the redox active CXXC motif. Group II proteins, in addition to either a redox active TRX or a TRX-like domain, also contain additional domains, which may or may not possess homology to known proteins. Pssm-ID: 239245 [Multi-domain] Cd Length: 93 Bit Score: 42.55 E-value: 6.59e-05
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| ER_PDI_fam | TIGR01130 | protein disulfide isomerase, eukaryotic; This model represents eukaryotic protein disulfide ... |
586-675 | 7.15e-05 | |||||
protein disulfide isomerase, eukaryotic; This model represents eukaryotic protein disulfide isomerases retained in the endoplasmic reticulum (ER) and closely related forms. Some members have been assigned alternative or additional functions such as prolyl 4-hydroxylase and dolichyl-diphosphooligosaccharide-protein glycotransferase. Members of this family have at least two protein-disulfide domains, each similar to thioredoxin but with the redox-active disulfide in the motif PWCGHCK, and an ER retention signal at the extreme C-terminus (KDEL, HDEL, and similar motifs). Pssm-ID: 273457 [Multi-domain] Cd Length: 462 Bit Score: 46.21 E-value: 7.15e-05
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| PDI_a_QSOX | cd02992 | PDIa family, Quiescin-sulfhydryl oxidase (QSOX) subfamily; QSOX is a eukaryotic protein ... |
586-686 | 1.60e-04 | |||||
PDIa family, Quiescin-sulfhydryl oxidase (QSOX) subfamily; QSOX is a eukaryotic protein containing an N-terminal redox active TRX domain, similar to that of PDI, and a small C-terminal flavin adenine dinucleotide (FAD)-binding domain homologous to the yeast ERV1p protein. QSOX oxidizes thiol groups to disulfides like PDI, however, unlike PDI, this oxidation is accompanied by the reduction of oxygen to hydrogen peroxide. QSOX is localized in high concentrations in cells with heavy secretory load and prefers peptides and proteins as substrates, not monothiols like glutathione. Inside the cell, QSOX is found in the endoplasmic reticulum and Golgi. The flow of reducing equivalents in a QSOX-catalyzed reaction goes from the dithiol substrate -> dithiol of the QSOX TRX domain -> dithiols of the QSOX ERV1p domain -> FAD -> oxygen. Pssm-ID: 239290 [Multi-domain] Cd Length: 114 Bit Score: 41.87 E-value: 1.60e-04
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| Thioredoxin_6 | pfam13848 | Thioredoxin-like domain; |
185-322 | 2.42e-04 | |||||
Thioredoxin-like domain; Pssm-ID: 463999 [Multi-domain] Cd Length: 184 Bit Score: 42.73 E-value: 2.42e-04
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| PLN02309 | PLN02309 | 5'-adenylylsulfate reductase |
600-674 | 3.27e-04 | |||||
5'-adenylylsulfate reductase Pssm-ID: 215175 [Multi-domain] Cd Length: 457 Bit Score: 44.01 E-value: 3.27e-04
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| PDI_b_family | cd02981 | Protein Disulfide Isomerase (PDIb) family, redox inactive TRX-like domain b; composed of ... |
140-244 | 3.60e-04 | |||||
Protein Disulfide Isomerase (PDIb) family, redox inactive TRX-like domain b; composed of eukaryotic proteins involved in oxidative protein folding in the endoplasmic reticulum (ER) by acting as catalysts and folding assistants. Members of this family include PDI, calsequestrin and other PDI-related proteins like ERp72, ERp57, ERp44 and PDIR. PDI, ERp57 (or ERp60), ERp72 and PDIR are all oxidases, catalyzing the formation of disulfide bonds of newly synthesized polypeptides in the ER. They also exhibit reductase activity in acting as isomerases to correct any non-native disulfide bonds, as well as chaperone activity to prevent protein aggregation and facilitate the folding of newly synthesized proteins. These proteins contain multiple copies of a redox active TRX (a) domain containing a CXXC motif, and one or more redox inactive TRX-like (b) domains. The molecular structure of PDI is abb'a'. Also included in this family is the PDI-related protein ERp27, which contains only redox-inactive TRX-like (b and b') domains. The redox inactive b domains are implicated in substrate recognition. Pssm-ID: 239279 Cd Length: 97 Bit Score: 40.40 E-value: 3.60e-04
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| thioredoxin | TIGR01068 | thioredoxin; Several proteins, such as protein disulfide isomerase, have two or more copies of ... |
589-663 | 3.99e-04 | |||||
thioredoxin; Several proteins, such as protein disulfide isomerase, have two or more copies of a domain closely related to thioredoxin. This model is designed to recognize authentic thioredoxin, a small protein that should be hit exactly once by this model. Any protein that hits once with a score greater than the second (per domain) trusted cutoff may be taken as thioredoxin. [Energy metabolism, Electron transport] Pssm-ID: 200072 [Multi-domain] Cd Length: 101 Bit Score: 40.35 E-value: 3.99e-04
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| TRX_superfamily | cd01659 | Thioredoxin (TRX) superfamily; a large, diverse group of proteins containing a TRX-fold. Many ... |
605-662 | 7.23e-04 | |||||
Thioredoxin (TRX) superfamily; a large, diverse group of proteins containing a TRX-fold. Many members contain a classic TRX domain with a redox active CXXC motif. They function as protein disulfide oxidoreductases (PDOs), altering the redox state of target proteins via the reversible oxidation of their active site dithiol. The PDO members of this superfamily include TRX, protein disulfide isomerase (PDI), tlpA-like, glutaredoxin, NrdH redoxin, and the bacterial Dsb (DsbA, DsbC, DsbG, DsbE, DsbDgamma) protein families. Members of the superfamily that do not function as PDOs but contain a TRX-fold domain include phosducins, peroxiredoxins and glutathione (GSH) peroxidases, SCO proteins, GSH transferases (GST, N-terminal domain), arsenic reductases, TRX-like ferredoxins and calsequestrin, among others. Pssm-ID: 238829 [Multi-domain] Cd Length: 69 Bit Score: 38.83 E-value: 7.23e-04
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| PDI_a_TMX3 | cd03000 | PDIa family, TMX3 subfamily; composed of eukaryotic proteins similar to human TMX3, a TRX ... |
592-676 | 1.19e-03 | |||||
PDIa family, TMX3 subfamily; composed of eukaryotic proteins similar to human TMX3, a TRX related transmembrane protein containing one redox active TRX domain at the N-terminus and a classical ER retrieval sequence for type I transmembrane proteins at the C-terminus. The TMX3 transcript is found in a variety of tissues with the highest levels detected in skeletal muscle and the heart. In vitro, TMX3 showed oxidase activity albeit slightly lower than that of protein disulfide isomerase. Pssm-ID: 239298 [Multi-domain] Cd Length: 104 Bit Score: 39.36 E-value: 1.19e-03
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| PDI_a_ERp46 | cd03005 | PDIa family, endoplasmic reticulum protein 46 (ERp46) subfamily; ERp46 is an ER-resident ... |
588-688 | 1.71e-03 | |||||
PDIa family, endoplasmic reticulum protein 46 (ERp46) subfamily; ERp46 is an ER-resident protein containing three redox active TRX domains. Yeast complementation studies show that ERp46 can substitute for protein disulfide isomerase (PDI) function in vivo. It has been detected in many tissues, however, transcript and protein levels do not correlate in all tissues, suggesting regulation at a posttranscriptional level. An identical protein, named endoPDI, has been identified as an endothelial PDI that is highly expressed in the endothelium of tumors and hypoxic lesions. It has a protective effect on cells exposed to hypoxia. Pssm-ID: 239303 [Multi-domain] Cd Length: 102 Bit Score: 38.81 E-value: 1.71e-03
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| PDI_a_P5 | cd03001 | PDIa family, P5 subfamily; composed of eukaryotic proteins similar to human P5, a PDI-related ... |
586-675 | 1.80e-03 | |||||
PDIa family, P5 subfamily; composed of eukaryotic proteins similar to human P5, a PDI-related protein with a domain structure of aa'b (where a and a' are redox active TRX domains and b is a redox inactive TRX-like domain). Like PDI, P5 is located in the endoplasmic reticulum (ER) and displays both isomerase and chaperone activities, which are independent of each other. Compared to PDI, the isomerase and chaperone activities of P5 are lower. The first cysteine in the CXXC motif of both redox active domains in P5 is necessary for isomerase activity. The P5 gene was first isolated as an amplified gene from a hydroxyurea-resistant hamster cell line. The zebrafish P5 homolog has been implicated to play a critical role in establishing left/right asymmetries in the embryonic midline. Some members of this subfamily are P5-like proteins containing only one redox active TRX domain. Pssm-ID: 239299 [Multi-domain] Cd Length: 103 Bit Score: 38.81 E-value: 1.80e-03
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| ATG16 | pfam08614 | Autophagy protein 16 (ATG16); Autophagy is a ubiquitous intracellular degradation system for ... |
688-798 | 2.78e-03 | |||||
Autophagy protein 16 (ATG16); Autophagy is a ubiquitous intracellular degradation system for eukaryotic cells. During autophagy, cytoplasmic components are enclosed in autophagosomes and delivered to lysosomes/vacuoles. ATG16 (also known as Apg16) has been shown to be bind to Apg5 and is required for the function of the Apg12p-Apg5p conjugate in the yeast autophagy pathway. Pssm-ID: 462536 [Multi-domain] Cd Length: 176 Bit Score: 39.53 E-value: 2.78e-03
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| PDI_a_PDIR | cd02997 | PDIa family, PDIR subfamily; composed of proteins similar to human PDIR (for Protein Disulfide ... |
589-662 | 5.40e-03 | |||||
PDIa family, PDIR subfamily; composed of proteins similar to human PDIR (for Protein Disulfide Isomerase Related). PDIR is composed of three redox active TRX (a) domains and an N-terminal redox inactive TRX-like (b) domain. Similar to PDI, it is involved in oxidative protein folding in the endoplasmic reticulum (ER) through its isomerase and chaperone activities. These activities are lower compared to PDI, probably due to PDIR acting only on a subset of proteins. PDIR is preferentially expressed in cells actively secreting proteins and its expression is induced by stress. Similar to PDI, the isomerase and chaperone activities of PDIR are independent; CXXC mutants lacking isomerase activity retain chaperone activity. Pssm-ID: 239295 [Multi-domain] Cd Length: 104 Bit Score: 37.30 E-value: 5.40e-03
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| PDI_a_ERp44 | cd02996 | PDIa family, endoplasmic reticulum protein 44 (ERp44) subfamily; ERp44 is an ER-resident ... |
586-662 | 7.10e-03 | |||||
PDIa family, endoplasmic reticulum protein 44 (ERp44) subfamily; ERp44 is an ER-resident protein, induced during stress, involved in thiol-mediated ER retention. It contains an N-terminal TRX domain, similar to that of PDIa, with a CXFS motif followed by two redox inactive TRX-like domains, homologous to the b and b' domains of PDI. The CXFS motif in the N-terminal domain allows ERp44 to form stable reversible mixed disulfides with its substrates. Through this activity, ERp44 mediates the ER localization of Ero1alpha, a protein that oxidizes protein disulfide isomerases into their active form. ERp44 also prevents the secretion of unassembled cargo protein with unpaired cysteines. It also modulates the activity of inositol 1,4,5-triphosphate type I receptor (IP3R1), an intracellular channel protein that mediates calcium release from the ER to the cytosol. Pssm-ID: 239294 [Multi-domain] Cd Length: 108 Bit Score: 36.98 E-value: 7.10e-03
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| Smc | COG1196 | Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; ... |
707-798 | 9.52e-03 | |||||
Chromosome segregation ATPase Smc [Cell cycle control, cell division, chromosome partitioning]; Pssm-ID: 440809 [Multi-domain] Cd Length: 983 Bit Score: 39.92 E-value: 9.52e-03
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