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5TRD

Structure of RbkR (Riboflavin Kinase) from Thermoplasma acidophilum determined in complex with CTP and its cognate DNA operator

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0003677molecular_functionDNA binding
A0006355biological_processregulation of DNA-templated transcription
A0008531molecular_functionriboflavin kinase activity
A0009231biological_processriboflavin biosynthetic process
A0009398biological_processFMN biosynthetic process
A0016301molecular_functionkinase activity
A0016740molecular_functiontransferase activity
A0016773molecular_functionphosphotransferase activity, alcohol group as acceptor
A0046872molecular_functionmetal ion binding
B0000166molecular_functionnucleotide binding
B0003677molecular_functionDNA binding
B0006355biological_processregulation of DNA-templated transcription
B0008531molecular_functionriboflavin kinase activity
B0009231biological_processriboflavin biosynthetic process
B0009398biological_processFMN biosynthetic process
B0016301molecular_functionkinase activity
B0016740molecular_functiontransferase activity
B0016773molecular_functionphosphotransferase activity, alcohol group as acceptor
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues25
Detailsbinding site for residue CTP A 301
ChainResidue
ASER101
ATHR131
ALEU132
AASN133
ALYS200
ATYR201
ALEU202
AARG203
ANA302
AHOH408
AHOH431
AGLY102
AHOH444
AHOH450
AHOH451
AHOH482
AHOH496
AHOH498
AMET103
AGLY104
AGLU105
AGLY106
AARG107
ATYR128
AGLY130

site_idAC2
Number of Residues3
Detailsbinding site for residue NA A 302
ChainResidue
ATHR131
AASN133
ACTP301

site_idAC3
Number of Residues25
Detailsbinding site for residue CTP B 301
ChainResidue
BSER101
BGLY102
BMET103
BGLY104
BGLU105
BGLY106
BARG107
BTYR128
BGLY130
BTHR131
BLEU132
BASN133
BSER198
BLYS200
BTYR201
BLEU202
BARG203
BNA302
BHOH401
BHOH405
BHOH407
BHOH414
BHOH441
BHOH449
BHOH450

site_idAC4
Number of Residues3
Detailsbinding site for residue NA B 302
ChainResidue
BTHR131
BASN133
BCTP301

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues254
DetailsRegion: {"description":"Riboflavin kinase"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues24
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

249697

PDB entries from 2026-02-25

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