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2EWN

Ecoli Biotin Repressor with co-repressor analog

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0000976molecular_functiontranscription cis-regulatory region binding
A0003676molecular_functionnucleic acid binding
A0003677molecular_functionDNA binding
A0004077molecular_functionbiotin--[biotin carboxyl-carrier protein] ligase activity
A0005515molecular_functionprotein binding
A0005524molecular_functionATP binding
A0005737cellular_componentcytoplasm
A0006355biological_processregulation of DNA-templated transcription
A0006768biological_processbiotin metabolic process
A0009102biological_processbiotin biosynthetic process
A0009374molecular_functionbiotin binding
A0016874molecular_functionligase activity
A0017053cellular_componenttranscription repressor complex
A0036211biological_processprotein modification process
A0042803molecular_functionprotein homodimerization activity
B0000166molecular_functionnucleotide binding
B0000976molecular_functiontranscription cis-regulatory region binding
B0003676molecular_functionnucleic acid binding
B0003677molecular_functionDNA binding
B0004077molecular_functionbiotin--[biotin carboxyl-carrier protein] ligase activity
B0005515molecular_functionprotein binding
B0005524molecular_functionATP binding
B0005737cellular_componentcytoplasm
B0006355biological_processregulation of DNA-templated transcription
B0006768biological_processbiotin metabolic process
B0009102biological_processbiotin biosynthetic process
B0009374molecular_functionbiotin binding
B0016874molecular_functionligase activity
B0017053cellular_componenttranscription repressor complex
B0036211biological_processprotein modification process
B0042803molecular_functionprotein homodimerization activity
Functional Information from PDB Data
site_idAC1
Number of Residues24
DetailsBINDING SITE FOR RESIDUE BTX B 500
ChainResidue
BSER89
BLYS122
BTRP123
BPHE124
BASP176
BLYS183
BGLY186
BILE187
BALA205
BGLY206
BASN208
BTHR90
BVAL218
BASN220
BGLN221
BTRP223
BGLU313
BASN91
BGLN112
BGLY115
BARG116
BGLY117
BARG118
BARG121

site_idAC2
Number of Residues24
DetailsBINDING SITE FOR RESIDUE BTX A 501
ChainResidue
ASER89
ATHR90
AGLN112
AGLY115
AARG116
AGLY117
AARG118
AARG121
ALYS122
ATRP123
APHE124
AASP176
AGLY186
AILE187
ALEU188
AALA205
AGLY206
AASN208
AVAL218
AASN220
AGLN221
ATRP223
AHOH503
AHOH525

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues374
DetailsDomain: {"description":"BPL/LPL catalytic","evidences":[{"source":"PROSITE-ProRule","id":"PRU01067","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues38
DetailsDNA binding: {"description":"H-T-H motif","evidences":[{"source":"HAMAP-Rule","id":"MF_00978","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues8
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_00978","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"11353844","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"1409631","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues3
DetailsM-CSA 538
ChainResidueDetails
AARG118electrostatic stabiliser
ALYS183electrostatic stabiliser
AARG317

site_idMCSA2
Number of Residues3
DetailsM-CSA 538
ChainResidueDetails
BARG118electrostatic stabiliser
BLYS183electrostatic stabiliser
BARG317

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PDB entries from 2025-07-09

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