Structure of PDB 5trd Chain B

Receptor sequence
>5trdB (length=215) Species: 273075 (Thermoplasma acidophilum DSM 1728) [Search protein sequence]
YYRAIKKIKEAAEASNRAYLTSSKLADMLGISQQSASRIIIDLEKNGYIT
RTVTKRGQILNITEKGLDVLYTEFADLSRILAIKNNVVITGTVTSGMGEG
RYYVARKQYIIQFQEKLGIIPYLGTLNIKVDQASLPELRKIRGFRGIHIE
GFKTEDRTFGSVKAFPAKIQNIPCFVIMPERTVYTDVIEIISDKYLREEI
NLHDGDRVSVEVYTE
3D structure
PDB5trd Structure of RbkR (Riboflavin Kinase) from Thermoplasma acidophilum determined in complex with CTP and its cognate DNA operator
ChainB
Resolution1.85 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 2.7.1.161: CTP-dependent riboflavin kinase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 dna B T27 S28 Q39 S43 R44 I47 R57 V59 K61 Q64 T21 S22 Q33 S37 R38 I41 R51 V53 K55 Q58
BS02 dna B S38 Q40 S41 S32 Q34 S35
BS03 CTP B G102 M103 G104 E105 G106 R107 Y128 G130 T131 L132 N133 Y201 L202 R203 G96 M97 G98 E99 G100 R101 Y122 G124 T125 L126 N127 Y195 L196 R197
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0003677 DNA binding
GO:0008531 riboflavin kinase activity
GO:0016301 kinase activity
GO:0016773 phosphotransferase activity, alcohol group as acceptor
GO:0046872 metal ion binding
Biological Process
GO:0006355 regulation of DNA-templated transcription
GO:0009231 riboflavin biosynthetic process
GO:0009398 FMN biosynthetic process
GO:0016310 phosphorylation

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Molecular Function
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Biological Process
External links
PDB RCSB:5trd, PDBe:5trd, PDBj:5trd
PDBsum5trd
PubMed
UniProtQ9HJA6|RIFK_THEAC Riboflavin kinase (Gene Name=ribK)

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