Structure of PDB 1so6 Chain B Binding Site BS01

Receptor Information
>1so6 Chain B (length=215) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SLPMLQVALDNQTMDSAYETTRLIAEEVDIIEVGTILCVGEGVRAVRDLK
ALYPHKIVLADAKIADAGKILSRMCFEANADWVTVICCADINTAKGALDV
AKEFNGDVQIQLTGYWTWEQAQQWRDAGIGQVVYARSRDAQAAGVAWGEA
DITAIKRLSDMGFKVTVTGGLALEDLPLFKGIPIHVFIAGRSIRDAASPV
EAARQFKRSIAELWG
Ligand information
Ligand IDMG
InChIInChI=1S/Mg/q+2
InChIKeyJLVVSXFLKOJNIY-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Mg+2]
CACTVS 3.341[Mg++]
FormulaMg
NameMAGNESIUM ION
ChEMBL
DrugBankDB01378
ZINC
PDB chain1so6 Chain B Residue 1300 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1so6 Evolution of Enzymatic Activities in the Orotidine 5'-Monophosphate Decarboxylase Suprafamily: Crystallographic Evidence for a Proton Relay System in the Active Site of 3-Keto-l-gulonate 6-Phosphate Decarboxylase(,)
Resolution1.902 Å
Binding residue
(original residue number in PDB)		E33 D62
Binding residue
(residue number reindexed from 1)		E32 D61
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) T36 I37 K64 D67 A68 L72 Q112 A136 R139
Catalytic site (residue number reindexed from 1) T35 I36 K63 D66 A67 L71 Q111 A135 R138
Enzyme Commision number 4.1.1.85: 3-dehydro-L-gulonate-6-phosphate decarboxylase.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004590 orotidine-5'-phosphate decarboxylase activity
GO:0016831 carboxy-lyase activity
GO:0033982 3-dehydro-L-gulonate-6-phosphate decarboxylase activity
GO:0046872 metal ion binding
Biological Process
GO:0006207 'de novo' pyrimidine nucleobase biosynthetic process
GO:0019854 L-ascorbic acid catabolic process

View graph for
Molecular Function
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Biological Process
External links
PDB RCSB:1so6, PDBe:1so6, PDBj:1so6
PDBsum1so6
PubMed15157078
UniProtP39304|ULAD_ECOLI 3-keto-L-gulonate-6-phosphate decarboxylase UlaD (Gene Name=ulaD)

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