Structure of PDB 1kyx Chain B Binding Site BS02

Receptor Information
>1kyx Chain B (length=147) Species: 4896 (Schizosaccharomyces pombe) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DLKGPELRILIVHARWNLQAIEPLVKGAVETMIEKHDVKLENIDIESVPG
SWELPQGIRASIARNTYDAVIGIGVLIKGSTMHFEYISEAVVHGLMRVGL
DSGVPVILGLLTVLNEEQALYRAGLNGGHNHGNDWGSAAVEMGLKAL
Ligand information
Ligand IDCRM
InChIInChI=1S/C14H18N4O9/c19-4-7(21)10(24)6(20)3-18-11-9(12(25)17-14(27)16-11)15-5(13(18)26)1-2-8(22)23/h6-7,10,19-21,24H,1-4H2,(H,22,23)(H2,16,17,25,27)/t6-,7+,10-/m0/s1
InChIKeyPTYCEIBBGGLADD-PJKMHFRUSA-N
SMILES
SoftwareSMILES
CACTVS 3.341OC[CH](O)[CH](O)[CH](O)CN1C(=O)C(=NC2=C1NC(=O)NC2=O)CCC(O)=O
OpenEye OEToolkits 1.5.0C(CC(=O)O)C1=NC2=C(NC(=O)NC2=O)N(C1=O)CC(C(C(CO)O)O)O
OpenEye OEToolkits 1.5.0C(CC(=O)O)C1=NC2=C(NC(=O)NC2=O)N(C1=O)C[C@@H]([C@@H]([C@@H](CO)O)O)O
CACTVS 3.341OC[C@@H](O)[C@@H](O)[C@@H](O)CN1C(=O)C(=NC2=C1NC(=O)NC2=O)CCC(O)=O
ACDLabs 10.04O=C1NC(=O)NC=2N(C(=O)C(=NC1=2)CCC(=O)O)CC(O)C(O)C(O)CO
FormulaC14 H18 N4 O9
Name3-[8-((2S,3S,4R)-2,3,4,5-TETRAHYDROXYPENTYL)-2,4,7-TRIOXO-1,3,8-TRIHYDROPTERIDIN-6-YL]PROPANOIC ACID;
CARBOXYETHYLLUMAZINE
ChEMBL
DrugBankDB03883
ZINCZINC000012504250
PDB chain1kyx Chain C Residue 503 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1kyx The structural basis of riboflavin binding to Schizosaccharomyces pombe 6,7-dimethyl-8-ribityllumazine synthase.
Resolution2.6 Å
Binding residue
(original residue number in PDB)		I118 L119
Binding residue
(residue number reindexed from 1)		I107 L108
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) H94
Catalytic site (residue number reindexed from 1) H83
Enzyme Commision number 2.5.1.78: 6,7-dimethyl-8-ribityllumazine synthase.
Gene Ontology
Molecular Function
GO:0000906 6,7-dimethyl-8-ribityllumazine synthase activity
GO:0004746 riboflavin synthase activity
GO:0005515 protein binding
GO:0016740 transferase activity
GO:1902444 riboflavin binding
Biological Process
GO:0009231 riboflavin biosynthetic process
Cellular Component
GO:0005634 nucleus
GO:0005737 cytoplasm
GO:0005758 mitochondrial intermembrane space
GO:0009349 riboflavin synthase complex

View graph for
Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1kyx, PDBe:1kyx, PDBj:1kyx
PDBsum1kyx
PubMed12083520
UniProtQ9UUB1|RIB4_SCHPO 6,7-dimethyl-8-ribityllumazine synthase (Gene Name=rib4)

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