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3IKT

Crystal structure of a Rex-family repressor/DNA/NAD+ complex from Thermus aquaticus

Functional Information from GO Data
ChainGOidnamespacecontents
A0003677molecular_functionDNA binding
A0003700molecular_functionDNA-binding transcription factor activity
A0005737cellular_componentcytoplasm
A0006355biological_processregulation of DNA-templated transcription
A0045892biological_processnegative regulation of DNA-templated transcription
A0051775biological_processresponse to redox state
B0003677molecular_functionDNA binding
B0003700molecular_functionDNA-binding transcription factor activity
B0005737cellular_componentcytoplasm
B0006355biological_processregulation of DNA-templated transcription
B0045892biological_processnegative regulation of DNA-templated transcription
B0051775biological_processresponse to redox state
Functional Information from PDB Data
site_idAC1
Number of Residues23
DetailsBINDING SITE FOR RESIDUE NAD A 500
ChainResidue
AGLY87
AVAL148
APRO149
AALA152
APHE171
AALA172
APRO173
APHE189
AHOH211
AHOH213
BALA94
AGLY89
BLEU95
BTYR98
BHOH225
BHOH314
AARG90
ALEU91
AASP112
AVAL113
ALYS117
AVAL130
ATHR147

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues78
DetailsDNA binding: {"description":"H-T-H motif","evidences":[{"source":"HAMAP-Rule","id":"MF_01131","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues10
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_01131","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

243083

PDB entries from 2025-10-15

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