Structure of PDB 1c9u Chain A Binding Site BS03

Receptor Information
>1c9u Chain A (length=444) Species: 471 (Acinetobacter calcoaceticus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DVPLTPSQFAKAKSENFDKKVILSNLNKPHALLWGPDNQIWLTERATGKI
LRVNPESGSVKTVFQVPEIVNDADGQNGLLGFAFHPDFKNNPYIYISGTF
KNPKPNQTIIRRYTYNKSTDTLEKPVDLLAGLPSSKDHQSGRLVIGPDQK
IYYTIGDQGRNQLAYLFLPNQAQHTPTQQELNGKDYHTYMGKVLRLNLDG
SIPKDNPSFNGVVSHIYTLGHRNPQGLAFTPNGKLLQSEQGPNSDDEINL
IVKGGNYGWPNVAGYKDDSGYAYANYSAAANKSIKDLAQNGVKVAAGVPV
TKESEWTGKNFVPPLKTLYTVQDTYNYNDPTCGEMTYICWPTVAPSSAYV
YKGGKKAITGWENTLLVPSLKRGVIFRIKLDPTYSTTYDDAVPMFKSNNR
YRDVIASPDGNVLYVLTDTAGNVQKDDGSVTNTLENPGSLIKFT
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain1c9u Chain A Residue 1003 [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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PDB1c9u Structure and mechanism of soluble quinoprotein glucose dehydrogenase.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		R228 G247 P248
Binding residue
(residue number reindexed from 1)		R222 G241 P242
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) H144 D163 R228 A269 Y271 D273 E309
Catalytic site (residue number reindexed from 1) H138 D157 R222 A263 Y265 D267 E303
Enzyme Commision number 1.1.5.2: quinoprotein glucose dehydrogenase (PQQ, quinone).
Gene Ontology
Molecular Function
GO:0008876 quinoprotein glucose dehydrogenase activity
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding

View graph for
Molecular Function
External links
PDB RCSB:1c9u, PDBe:1c9u, PDBj:1c9u
PDBsum1c9u
PubMed10508152
UniProtP13650|DHGB_ACICA Quinoprotein glucose dehydrogenase B (Gene Name=gdhB)

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