Structure of PDB 7aq3 Chain B

Receptor sequence
>7aq3B (length=586) Species: 316 (Stutzerimonas stutzeri) [Search protein sequence]
QKIHVGPGELDDYYGFWSGGHQGEVRVLGVPSMRELMRIPVFNVDSATGW
GLTNESRHIMGDSAKFLNGDCHHPHISMTDGKYDGKYLFINDKANSRVAR
IRLDIMKCDKMITVPNVQAIHGLRLQKVPHTKYVFANAEFIIPHPNDGKV
FDLQDENSYTMYNAIDAETMEMAFQVIVDGNLDNTDADYTGRFAAATCYN
SEKAFDLGGMMRNERDWVVVFDIHAVEAAVKAGDFITLGDSKTPVLDGRK
KDGKDSKFTRYVPVPKNPHGCNTSSDGKYFIAAGKLSPTCSMIAIDKLPD
LFAGKLADPRDVIVGEPELGLGPLHTTFDGRGNAYTTLFIDSQVVKWNME
EAVRAYKGEKVNYIKQKLDVHYQPGHLHASLCETNEADGKWLVALSKFSK
DRFLPVGPLHPENDQLIDISGDEMKLVHDGPTFAEPHDCIMARRDQIKTK
KIWDRNDPFFAPTVEMAKKDGINLDTDNKVIRDGNKVRVYMTSMAPAFGV
QEFTVKQGDEVTVTITNIDQIEDVSDGFVVVNHGVSMEISPQQTSSITFV
ADKPGLHWYYCSWFCHALHMEMVGRMMVEPAWSHPQ
3D structure
PDB7aq3 Histidine-Gated Proton-Coupled Electron Transfer to the Cu A Site of Nitrous Oxide Reductase.
ChainB
Resolution1.639 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 1.7.2.4: nitrous-oxide 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 CA B Y256 E259 M267 D273 N324 Y199 E202 M210 D216 N267
BS02 CUA B C618 C622 H626 M629 C561 C565 H569 M572
Gene Ontology
Molecular Function
GO:0005507 copper ion binding
GO:0005509 calcium ion binding
GO:0050304 nitrous-oxide reductase activity

View graph for
Molecular Function
External links
PDB RCSB:7aq3, PDBe:7aq3, PDBj:7aq3
PDBsum7aq3
PubMed33377777
UniProtP19573|NOSZ_STUST Nitrous-oxide reductase (Gene Name=nosZ)

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