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4B1R

Tetracycline repressor class D mutant H100A in complex with iso-7- Chlortetracycline

Functional Information from GO Data
ChainGOidnamespacecontents
A0000976molecular_functiontranscription cis-regulatory region binding
A0003677molecular_functionDNA binding
A0003700molecular_functionDNA-binding transcription factor activity
A0006351biological_processDNA-templated transcription
A0006355biological_processregulation of DNA-templated transcription
A0045892biological_processnegative regulation of DNA-templated transcription
A0046677biological_processresponse to antibiotic
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues14
DetailsBINDING SITE FOR RESIDUE ITC A 1209
ChainResidue
AHIS64
AILE134
ASER135
ASER138
AHIS139
AMET177
ASER67
AASN82
APHE86
AARG104
APRO105
ATHR112
AVAL113
AGLN116

site_idAC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL A 1210
ChainResidue
AASN5
AGLU7

site_idAC3
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL A 1211
ChainResidue
ASER2
ASER74

site_idAC4
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL A 1212
ChainResidue
AASN47
ALYS48

site_idAC5
Number of Residues1
DetailsBINDING SITE FOR RESIDUE CL A 1213
ChainResidue
AHOH2003

site_idAC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CL A 1214
ChainResidue
AARG3
ALEU4
AGLN76
AARG80
AHOH2087

Functional Information from PROSITE/UniProt
site_idPS01081
Number of Residues32
DetailsHTH_TETR_1 TetR-type HTH domain signature. GIdglTTrkLaqklgIEqPtLYwHVkNKralL
ChainResidueDetails
AGLY21-LEU52

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues60
DetailsDomain: {"description":"HTH tetR-type","evidences":[{"source":"PROSITE-ProRule","id":"PRU00335","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues19
DetailsDNA binding: {"description":"H-T-H motif","evidences":[{"source":"PROSITE-ProRule","id":"PRU00335","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"8153629","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2TRT","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

250835

PDB entries from 2026-03-18

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