Structure of PDB 7aq4 Chain B

Receptor sequence
>7aq4B (length=588) Species: 316 (Stutzerimonas stutzeri) [Search protein sequence]
QKIHVGPGELDDYYGFWSGGHQGEVRVLGVPSMRELMRIPVFNVDSATGW
GLTNESRHIMGDSAKFLNGDCHHPHISMTDGKYDGKYLFINDKANSRVAR
IRLDIMKCDKMITVPNVQAIHGLRLQKVPHTKYVFANAEFIIPHPNDGKV
FDLQDENSYTMYNAIDAETMEMAFQVIVDGNLDNTDADYTGRFAAATCYN
SEKAFDLGGMMRNERDWVVVFDIHAVEAAVKAGDFITLGDSKTPVLDGRK
KDGKDSKFTRYVPVPKNPHGCNTSSDGKYFIAAGKLSPTCSMIAIDKLPD
LFAGKLADPRDVIVGEPELGLGPLHTTFDGRGNAYTTLFIDSQVVKWNME
EAVRAYKGEKVNYIKQKLDVHYQPGHLHASLCETNEADGKWLVALSKFSK
DRFLPVGPLHPENDQLIDISGDEMKLVHDGPTFAEPHDCIMARRDQIKTK
KIWDRNDPFFAPTVEMAKKDGINLDTDNKVIRDGNKVRVYMTSMAPAFGV
QEFTVKQGDEVTVTITNIDQIEDVSEGFVVVNHGVSMEISPQQTSSITFV
ADKPGLHWYYCSWFCHALHMEMVGRMMVEPAWSHPQFE
3D structure
PDB7aq4 Histidine-Gated Proton-Coupled Electron Transfer to the Cu A Site of Nitrous Oxide Reductase.
ChainB
Resolution1.708 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 W620 C622 H626 M629 C561 W563 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:7aq4, PDBe:7aq4, PDBj:7aq4
PDBsum7aq4
PubMed33377777
UniProtP19573|NOSZ_STUST Nitrous-oxide reductase (Gene Name=nosZ)

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