Structure of PDB 4knu Chain B

Receptor sequence
>4knuB (length=285) Species: 228410 (Nitrosomonas europaea ATCC 19718) [Search protein sequence]
KTVQVTLHAVETDVAYDNKGSTYRAWTFDGKVPGPVVRVTEGDTVEFTLI
NDKNSKNSHSMDFHAARLDVVEDFESIKPGETKKYTFTADNPGVFFYHCG
SDPMIQHIARGMYGVIIVDPKDANALPKADREYVLIQAEHYENPDDKTAM
MQNKWSNVVFNGGVFKYDPVHDSEATSWLQAKPGERVRIYFVNAGPNELS
SLHPIAGIWDRVYPSGNPKNVQYALQSYLIGAGDAATLDLISPVEGANAI
VDHSMRHAHSGAIAVIMFTNDADPEAGRGENILIR
3D structure
PDB4knu Characterization of a nitrite reductase involved in nitrifier denitrification.
ChainB
Resolution1.8 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H83 D86 H88 H122 C123 H131 M136 H227 Q250 S251 H277
Catalytic site (residue number reindexed from 1) H59 D62 H64 H98 C99 H107 M112 H203 Q226 S227 H253
Enzyme Commision number 1.7.2.1: nitrite reductase (NO-forming).
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 CU B H83 C123 H131 M136 H59 C99 H107 M112
BS02 CU B H88 H122 H64 H98
Gene Ontology
Molecular Function
GO:0005507 copper ion binding
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0050421 nitrite reductase (NO-forming) activity

View graph for
Molecular Function
External links
PDB RCSB:4knu, PDBe:4knu, PDBj:4knu
PDBsum4knu
PubMed23857587
UniProtQ82VX5

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