Structure of PDB 5b1k Chain A

Receptor sequence
>5b1kA (length=334) Species: 85698 (Achromobacter xylosoxidans) [Search protein sequence]
DADKLPHTKVTLVAPPQVHPHEQATKSGPKVVEFTMTIEEKKMVIDDKGT
TLQAMTFNGSMPGPTLVVHEGDYVQLTLVNPATNAMPHNVDFHGATGALG
GAKLTNVNPGEQATLRFKADRSGTFVYHCAPEGMVPWHVVSGMSGTLMVL
PRDGLKDPQGKPLHYDRAYTIGEFDLYIPKGPDGKYKDYATLAESYGDTV
QVMRTLTPSHIVFNGKVGALTGANALTAKVGETVLLIHSQANRDTRPHLI
GGHGDWVWETGKFANPPQRDLETWFIRGGSAGAALYTFKQPGVYAYLNHN
LIEAFELGAAGHIKVEGKWNDDLMKQIKAPAPIP
3D structure
PDB5b1k Structure and function of copper nitrite reductase
ChainA
Resolution1.35 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H89 D92 H94 H129 C130 H139 M144 H249 E273 T274 H300
Catalytic site (residue number reindexed from 1) H88 D91 H93 H128 C129 H138 M143 H248 E272 T273 H299
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 A H89 C130 H139 M144 H88 C129 H138 M143
BS02 CU A H94 H129 H93 H128
Gene Ontology
Molecular Function
GO:0005507 copper ion binding
GO:0005515 protein binding
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0050421 nitrite reductase (NO-forming) activity
Biological Process
GO:0019333 denitrification pathway
GO:0042128 nitrate assimilation
Cellular Component
GO:0042597 periplasmic space

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:5b1k, PDBe:5b1k, PDBj:5b1k
PDBsum5b1k
PubMed
UniProtO68601

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