Structure of PDB 1gjq Chain A

Receptor sequence
>1gjqA (length=541) Species: 287 (Pseudomonas aeruginosa) [Search protein sequence]
DMKAAEQYQGAASAVDPAHVVRTNGAPDMSESEFNEAKQIYFQRCAGCHG
VLRKGATGKPLTPDITQQRGQQYLEALITYGTPLGMPNWGSSGELSKEQI
TLMAKYIQHTPPQPPEWGMPEMRESWKVLVKPEDRPKKQLNDLDLPNLFS
VTLRDAGQIALVDGDSKKIVKVIDTGYAVHISRMSASGRYLLVIGRDARI
DMIDLWAKEPTKVAEIKIGIEARSVESSKFKGYEDRYTIAGAYWPPQFAI
MDGETLEPKQIVSTRGMTVDTQTYHPEPRVAAIIASHEHPEFIVNVKETG
KVLLVNYKDIDNLTVTSIGAAPFLHDGGWDSSHRYFMTAANNSNKVAVID
SKDRRLSALVDVGKTPHPGRGANFVHPKYGPVWSTSHLGDGSISLIGTDP
KNHPQYAWKKVAELQGQGGGSLFIKTHPKSSHLYVDTTFNPDARISQSVA
VFDLKNLDAKYQVLPIAEWADLGEGAKRVVQPEYNKRGDEVWFSVWNGKN
DSSALVVVDDKTLKLKAVVKDPRLITPTGKFNVYNTQHDVY
3D structure
PDB1gjq Cyanide Binding to Cd(1) Nitrite Reductase from Pseudomonas Aeruginosa: Role of the Active-Site His369 in Ligand Stabilization.
ChainA
Resolution2.7 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) C47 C50 H51 M88 H327 H369
Catalytic site (residue number reindexed from 1) C45 C48 H49 M86 H325 H367
Enzyme Commision number 1.7.2.1: nitrite reductase (NO-forming).
1.7.99.1: hydroxylamine reductase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 HEC A C47 C50 H51 G60 K61 L63 R71 L79 T84 L86 G87 M88 P89 W91 C45 C48 H49 G58 K59 L61 R69 L77 T82 L84 G85 M86 P87 W89
BS02 DHE A R156 H182 I183 R198 R225 S226 Y245 A283 A284 H327 R372 F425 Q483 F533 R154 H180 I181 R196 R223 S224 Y243 A281 A282 H325 R370 F423 Q481 F531
Gene Ontology
Molecular Function
GO:0009055 electron transfer activity
GO:0016491 oxidoreductase activity
GO:0020037 heme binding
GO:0046872 metal ion binding
GO:0050418 hydroxylamine reductase activity
GO:0050421 nitrite reductase (NO-forming) activity
Cellular Component
GO:0042597 periplasmic space

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Molecular Function
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Cellular Component
External links
PDB RCSB:1gjq, PDBe:1gjq, PDBj:1gjq
PDBsum1gjq
PubMed11829453
UniProtP24474|NIRS_PSEAE Nitrite reductase (Gene Name=nirS)

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