Structure of PDB 1snn Chain B Binding Site BS02

Receptor Information
>1snn Chain B (length=219) Species: 2190 (Methanocaldococcus jannaschii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
NVEKAIEALKKGEIILVYDSDEREGETDMVVASQFITPEHIRIMRKDAGG
LICTALHPDICNKLGIPFMVDILEFASQKFKVLRELYPNDIPYDEKSSFS
ITINHRKTFTGITDNDRAFTIKKLAELVKEGRFNDFGKEFRSPGSVTLLR
AAEGLVKNRQGHTEMTVALAELANLVPITTICEMMGDDGNAMSKNETKRY
AEKHNLIYLSGEEIINYYL
Ligand information
Ligand IDZN
InChIInChI=1S/Zn/q+2
InChIKeyPTFCDOFLOPIGGS-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Zn++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Zn+2]
FormulaZn
NameZINC ION
ChEMBLCHEMBL1236970
DrugBankDB14532
ZINC
PDB chain1snn Chain B Residue 502 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1snn Metal sites in 3,4-dihydroxy-2-butanone 4-phosphate synthase from Methanococcus jannaschii in complex with the substrate ribulose 5-phosphate.
Resolution1.55 Å
Binding residue
(original residue number in PDB)		E26 H164
Binding residue
(residue number reindexed from 1)		E24 H162
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) E26 D30 C55 Y95 F101 N106 S147 H164 E185
Catalytic site (residue number reindexed from 1) E24 D28 C53 Y93 F99 N104 S145 H162 E183
Enzyme Commision number 4.1.99.12: 3,4-dihydroxy-2-butanone-4-phosphate synthase.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0003824 catalytic activity
GO:0008686 3,4-dihydroxy-2-butanone-4-phosphate synthase activity
GO:0016829 lyase activity
GO:0030145 manganese ion binding
GO:0046872 metal ion binding
Biological Process
GO:0009231 riboflavin biosynthetic process
Cellular Component
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1snn, PDBe:1snn, PDBj:1snn
PDBsum1snn
PubMed15213409
UniProtQ60364|RIBB_METJA 3,4-dihydroxy-2-butanone 4-phosphate synthase (Gene Name=ribB)

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