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4AUX

Tet repressor class D in complex with 9-nitrotetracycline

Functional Information from GO Data
ChainGOidnamespacecontents
A0000976molecular_functiontranscription cis-regulatory region binding
A0003677molecular_functionDNA binding
A0003700molecular_functionDNA-binding transcription factor activity
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 Residues15
DetailsBINDING SITE FOR RESIDUE XTC A 222
ChainResidue
AHIS64
ALEU174
AMET177
AMG223
AHOH2023
AHOH2024
AHOH2033
ASER67
AASN82
APHE86
AHIS100
AARG104
AVAL113
AGLN116
ASER138

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 223
ChainResidue
AHIS100
AGLU147
AXTC222
AHOH2023
AHOH2024
AHOH2025

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CL A 1001
ChainResidue
AARG3
ALEU4
AGLN76
AARG80
AHOH2050

site_idAC4
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL A 1002
ChainResidue
AARG3
ASER74

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

245663

PDB entries from 2025-12-03

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