Structure of PDB 2iwk Chain A Binding Site BS20

Receptor Information
>2iwk Chain A (length=590) Species: 223 (Achromobacter cycloclastes) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ADGSVAPGKLDDYYGFWSSGQTGEMRILGIPSMRELMRVPVFNRCSATGW
GQTNESIRIHQRTMTEKTKKQLAANGKKIHDNGDLHHVHMSFTDGKYDGR
YLFMNDKANTRVARVRCDVMKTDAILEIPNAKGIHGMRPQKWPRSNYVFC
NGEDEAPLVNDGSTMTDVATYVNIFTAVDADKWEVAWQVKVSGNLDNCDA
DYEGKWAFSTSYNSEMGMTLEEMTKSEMDHVVVFNIAEIEKAIKAGQYEE
INGVKVVDGRKEAKSLFTRYIPIANNPHGCNMAPDRKHLCVAGKLSPTVT
VLDVTKFDALFYDNAEPRSAVVAEPELGLGPLHTAFDGRGNAYTSLFLDS
QVVKWNIDEAIRAYAGEKINPIKDKLDVQYQPGHLKTVMGETLDAANDWL
VCLCKFSKDRFLNVGPLKPENDQLIDISGDKMVLVHDGPTFAEPHDAIAV
SPSILPNIRSVWDRNDPLWAETRKQAEADEVDIDEWTEAVIRDGNKVRVY
MTSVAPSFSQPSFTVKEGDEVTVIVTNLDEIDDLTHGFTMGNHGVAMEVG
PQQTSSVTFVAANPGVYWYYCQWFCHALHMEMRGRMFVEP
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 chain2iwk Chain B Residue 1608 [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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PDB2iwk Insight Into Catalysis of Nitrous Oxide Reductase from High-Resolution Structures of Resting and Inhibitor-Bound Enzyme from Achromobacter Cycloclastes.
Resolution1.7 Å
Binding residue
(original residue number in PDB)		R51 S53
Binding residue
(residue number reindexed from 1)		R44 S46
Annotation score1
Enzymatic activity
Enzyme Commision number 1.7.2.4: nitrous-oxide reductase.
Gene Ontology
Molecular Function
GO:0004129 cytochrome-c oxidase activity
GO:0005507 copper ion binding
GO:0005509 calcium ion binding
GO:0050304 nitrous-oxide reductase activity
Cellular Component
GO:0016020 membrane

View graph for
Molecular Function
View graph for
Cellular Component
External links
PDB RCSB:2iwk, PDBe:2iwk, PDBj:2iwk
PDBsum2iwk
PubMed16904686
UniProtP94127|NOSZ_ACHCY Nitrous-oxide reductase (Gene Name=nosZ)

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