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5FKL

TetR(D) H100A mutant in complex with anhydrotetracycline and magnesium

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 Residues16
DetailsBINDING SITE FOR RESIDUE TDC A 222
ChainResidue
AHIS64
ASER138
ALEU174
AMET177
AMG223
AHOH2033
AHOH2045
AHOH2064
ASER67
AASN82
APHE86
ATHR103
AARG104
APRO105
AVAL113
AGLN116

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG A 223
ChainResidue
AGLU147
ATDC222
AHOH2032
AHOH2033
AHOH2064

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 301
ChainResidue
AARG62
AHIS63
AHIS63
AARG92
AARG92
ATYR93

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CL A 302
ChainResidue
ASER2
AARG3
ASER74
ASER77
AHOH2021

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL A 303
ChainResidue
ALEU4
AGLN76
AARG80
AHOH2056

site_idAC6
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CL A 304
ChainResidue
AARG6
AGLU7

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

239803

PDB entries from 2025-08-06

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