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ketoacyl-synthetase C-terminal extension domain-containing protein
KAsynt_C_assoc represents the very C-terminus of a subset of proteins from the keto-acyl-synthetase 2 family. It is found in proteins ranging from bacteria to human. (from Pfam)
methyltransferase domain-containing protein
This family appears to be a methyltransferase domain. (from Pfam)
This family appears to have methyltransferase activity. (from Pfam)
SDR family oxidoreductase
This domain is found in Enoyl-(Acyl carrier protein) reductases. (from Pfam)
KR domain-containing protein
This enzymatic domain is part of bacterial polyketide synthases and catalyses the first step in the reductive modification of the beta-carbonyl centres in the growing polyketide chain. It uses NADPH to reduce the keto group to a hydroxy group [1]. [1]. 23790488. Structural and stereochemical analysis of a modular polyketide. synthase ketoreductase domain required for the generation of a. cis-alkene.. Bonnett SA, Whicher JR, Papireddy K, Florova G, Smith JL,. Reynolds KA;. Chem Biol. 2013;20:772-783. (from Pfam)
methyltransferase
Members of this family are SAM dependent methyltransferases. (from Pfam)
Beta-ketoacyl synthase, C-terminal domain
The structure of beta-ketoacyl synthase is similar to that of the thiolase family (Pfam:PF00108) and also chalcone synthase. The active site of beta-ketoacyl synthase is located between the N and C-terminal domains. [1]. 9482715. Crystal structure of beta-ketoacyl-acyl carrier protein synthase. II from E.coli reveals the molecular architecture of condensing. enzymes.. Huang W, Jia J, Edwards P, Dehesh K, Schneider G, Lindqvist Y;. EMBO J 1998;17:1183-1191. (from Pfam)
Thiolase, N-terminal domain
Thiolase is reported to be structurally related to beta-ketoacyl synthase (Pfam:PF00109), and also chalcone synthase. [1]. 9402066. The 1.8 A crystal structure of the dimeric peroxisomal. 3-ketoacyl-CoA thiolase of Saccharomyces cerevisiae:. implications for substrate binding and reaction mechanism.. Mathieu M, Modis Y, Zeelen JP, Engel CK, Abagyan RA, Ahlberg A,. Rasmussen B, Lamzin VS, Kunau WH, Wierenga RK;. J Mol Biol 1997;273:714-728. (from Pfam)
SDR family NAD(P)-dependent oxidoreductase
This family contains a wide variety of dehydrogenases. [1]. 9735295. The refined crystal structure of Drosophila lebanonensis alcohol. dehydrogenase at 1.9 A resolution.. Benach J, Atrian S, Gonzalez-Duarte R, Ladenstein R;. J Mol Biol 1998;282:383-399.. [2]. 10387002. Structure of tropinone reductase-II complexed with NADP+ and. pseudotropine at 1.9 A resolution: implication for. stereospecific substrate binding and catalysis.. Yamashita A, Kato H, Wakatsuki S, Tomizaki T, Nakatsu T,. Nakajima K, Hashimoto T, Yamada Y, Oda J;. Biochemistry 1999;38:7630-7637. (from Pfam)
condensation domain-containing protein
This domain is found in many multi-domain enzymes which synthesise peptide antibiotics. This domain catalyses a condensation reaction to form peptide bonds in non- ribosomal peptide biosynthesis. It is usually found to the carboxy side of a phosphopantetheine binding domain (Pfam:PF00550). It has been shown that mutations in the HHXXXDG motif abolish activity suggesting this is part of the active site [1]. [1]. 9712910. Peptide bond formation in nonribosomal peptide biosynthesis.. Catalytic role of the condensation domain.. Stachelhaus T, Mootz HD, Bergendahl V, Marahiel MA;. J Biol Chem 1998;273:22773-22781. (from Pfam)
thioesterase domain-containing protein
Peptide synthetases are involved in the non-ribosomal synthesis of peptide antibiotics. Next to the operons encoding these enzymes, in almost all cases, are genes that encode proteins that have similarity to the type II fatty acid thioesterases of vertebrates. There are also modules within the peptide synthetases that also share this similarity. With respect to antibiotic production, thioesterases are required for the addition of the last amino acid to the peptide antibiotic, thereby forming a cyclic antibiotic. Thioesterases (non-integrated) have molecular masses of 25-29 kDa. [1]. 9560421. Genetic evidence for a role of thioesterase domains, integrated. in or associated with peptide synthetases, in non-ribosomal. peptide biosynthesis in Bacillus subtilis.. Schneider A, Marahiel MA;. Arch Microbiol 1998;169:404-410. (from Pfam)
phosphopantetheine-binding protein
A 4'-phosphopantetheine prosthetic group is attached through a serine. This prosthetic group acts as a a 'swinging arm' for the attachment of activated fatty acid and amino-acid groups. This domain forms a four helix bundle. This family includes members not included in Prosite. The inclusion of these members is supported by sequence analysis and functional evidence. The related domain of Swiss:P19828 has the attachment serine replaced by an alanine. (from Pfam)
beta-ketoacyl synthase N-terminal-like domain-containing protein
The structure of beta-ketoacyl synthase is similar to that of the thiolase family (Pfam:PF00108) and also chalcone synthase. The active site of beta-ketoacyl synthase is located between the N and C-terminal domains. The N-terminal domain contains most of the structures involved in dimer formation and also the active site cysteine [1]. [1]. 9482715. Crystal structure of beta-ketoacyl-acyl carrier protein synthase. II from E.coli reveals the molecular architecture of condensing. enzymes.. Huang W, Jia J, Edwards P, Dehesh K, Schneider G, Lindqvist Y;. EMBO J 1998;17:1183-1191. (from Pfam)
acyltransferase domain-containing protein
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