Conserved Protein Domain Family
BrnA_antitoxin

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pfam14384: BrnA_antitoxin (494227 is an unknown moldel)
BrnA antitoxin of type II toxin-antitoxin system
BrnA is family of antitoxins that neutralizes the toxin BrnT, pfam04365. It consists of 3 alpha-helices and a C-terminal ribbon-helix-helix DNA binding domain. As in other toxin-antitoxin systems, BrnA negatively autoregulates the brnTA operon and has higher affinity for the DNA operator when complexed with BrnT. It dimerizes with two molecules of its toxin BrnT.
Statistics
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PSSM-Id: 494227
Aligned: 37 rows
Threshold Bit Score: 59.2616
Created: 22-Aug-2024
Updated: 4-Dec-2024
Structure
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Aligned Rows:
PubMed ReferencesClick to see Conserved Features Help

Sequence Alignment
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Format: Row Display: Color Bits: Type Selection:
WP_012178861   4 LPPHPLWSDAKGETRAQRlarerltlhlhglerddawagriqalvpdawqtLEADLplVEKKtKVTLRLDESVAKFFRA- 82  Dinoroseobacter...
Q63NA3        28 TFEVPAEDFAKMTRRGKR---------------------------------GRPPLe-APKV-QLTVRYDVDIVDAFKA- 71  Burkholderia ps...
Q73R28        12 DAPKRVAESISLSERIDDfl------------------------------pPPDRLirKSEKvKITITLDCESVAFFKA- 60  Treponema denti...
WP_013029735   7 FTGAKRAKDVAHL--------------------------------------AKLQTe-MAGKtRITMRVDNSVLALYKA- 46  Sideroxydans li...
Q39RZ9        17 FTDAEPVSETPVL--------------------------------------AKFQAe-TGGKsRITMRVDNDVLATFKA- 56  Geobacter metal...
Q6N573        23 APELLDE-FFRTGEIRVDgki---------------------------vrrGRPPLgtQPKS-SVTLRLDADVLDAYRA- 72  Rhodopseudomona...
WP_015190829  30 CPEITPEMF-AKAVVRRG-----------------------------------LPAt-KAKA-QVTLRIDSDVLEWFKS- 70  Gloeocapsa sp. ...
Q2RSU6        42 AAPLADEAWFAQAAIVEP------------------------------------PL----KE-AVSIRLDKDVLAFFKT- 79  Rhodospirillum ...
WP_012568273  41 MPEVHD--W-SRARRGPPs--------------------------------LYRPV----KE-VVTIRLDADVLHWFRDh 80  Rhodospirillum ...
Q7CP71        38 IPASEDGQW-SEAVRGK----------------------------------FFRPL----KT-QASVRIDADVMEWLKR- 76  Salmonella ente...
WP_012178861  83 -M-GPG----YQARINRLLATYA 99  Dinoroseobacter shibae
Q63NA3        72 -T-GEG----WQTRMNDALREWL 88  Burkholderia pseudomallei
Q73R28        61 -S-AKKnnvkYQTMINEILSKYA 81  Treponema denticola
WP_013029735  47 -R-AETsggsYQTMMNEALKQYA 67  Sideroxydans lithotrophicus
Q39RZ9        57 -R-AEIiggnYQTLMNDALRQFA 77  Geobacter metallireducens GS-15
Q6N573        73 -L-GRG----WQSQINADLRRVr 89  Rhodopseudomonas palustris
WP_015190829  71 -Q-GRG----YQTQINQLLRAYm 87  Gloeocapsa sp. PCC 7428
Q2RSU6        80 -T-STR----YQTRINAVLRAYM 96  Rhodospirillum rubrum ATCC 11170
WP_012568273  81 aAgGRG----YQTRINAALRAYM 99  Rhodospirillum centenum
Q7CP71        77 -P-GKG----YQTRLNAILREAM 93  Salmonella enterica subsp. enterica serovar Typhimurium
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