Structure of PDB 3a3b Chain A

Receptor sequence
>3a3bA (length=175) Species: 318456 (Photobacterium kishitanii) [Search protein sequence]
MFKGIVQGAGIIKKISKNDDTQRHGITFPKDILESVEKGTVMLVNGCSLT
VVRISGDVVYFDIDQAINTTTFRELEVGNKVNLEVRPEFGSLGKGALTGN
IKGVATVDNITEEERLKVYIKIPKDLEDHIGINGVSHSIEEISDDIIFIN
YPKNLSITTNLGTLEKGSDVNVETL
3D structure
PDB3a3b Crystal structures of the lumazine protein from Photobacterium kishitanii in complexes with the authentic chromophore, 6,7-dimethyl-8-(1'-D-ribityl) lumazine and its analogues, riboflavin and FMN, at high resolution
ChainA
Resolution2.0 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 2.5.1.9: riboflavin synthase.
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 RBF A V41 C47 S48 L49 T50 D62 I63 D64 Q65 A66 T69 I102 V41 C47 S48 L49 T50 D62 I63 D64 Q65 A66 T69 I101
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0004746 riboflavin synthase activity
GO:0016740 transferase activity
Biological Process
GO:0009231 riboflavin biosynthetic process

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Molecular Function

View graph for
Biological Process
External links
PDB RCSB:3a3b, PDBe:3a3b, PDBj:3a3b
PDBsum3a3b
PubMed19854891
UniProtC4TPG1

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