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2XB5

Tet repressor (class D) in complex with 7-Iodotetracycline

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 I7T A 222
ChainResidue
AHIS64
AMG223
AHOH2016
AHOH2029
AHOH2039
AHOH2040
ASER67
AASN82
APHE86
AHIS100
ATHR112
AGLN116
ASER138
ALEU174

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 223
ChainResidue
AHIS100
AGLU147
AI7T222
AHOH2016
AHOH2029
AHOH2039

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL A 1209
ChainResidue
AARG3
ALEU4
AGLN76
AARG80

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

246704

PDB entries from 2025-12-24

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