Structure of PDB 9f8x Chain A

Receptor sequence

>9f8xA (length=572) Species: 2743 (Marinobacter nauticus)

AHVAPGELDEYYGFWSGGHQGEVRVLGVPSMRELMRIPVFNVDSATGWGI
TNESKEILGGDQQYLNGDCHHPHISMTDGRYDGKYLFINDKANTRVARIR
LDIMKTDKITHIPNVQAIHGLRLQKVPKTNYVFCNAEFVIPQPNDGTDFS
LDNSYTMFTAIDAETMDVAWQVIVDGNLDNTDADYTGKYAASTCYNSERA
VDLAGTMRNDRDWVVVFNVERIAAAVKAGNFKTIGDSKVPVVDGRGESEF
TRYIPVPKNPHGLNTSPDGKYFIANGKLSPTVSVIAIDKLDDLFEDKIEL
RDTIVAEPELGLGPLHTTFDGRGNAYTTLFIDSQVCKWNIADAIKHYNGD
RVNYIRQKLDVQYQPGHNHASLTESRDADGKWLVVLSKFSKDRFLPVGPL
HPENDQLIDISGEEMKLVHDGPTYAEPHDCILVRRDQIKTKKIYERNDPY
FASCRAQAEKDGVTLESDNKVIRDGNKVRVYMTSVAPQYGMTEFKVKEGD
EVTVYITNLDMVEDVTHGFCMVNHGVSMEISPQQTASVTFTAGKPGVYWY
YCNWFCHALHMEMGGRMLVEKA

3D structure

• PDB: 9f8x Revisiting the metal sites of nitrous oxide reductase in a low-dose structure from Marinobacter nauticus.
• Chain: A
• Resolution: 1.498 Å

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	CUA	A	C614 W616 C618 H622 M625	C552 W554 C556 H560 M563
BS02	CUK	A	H132 H133 H181 H323 H378 H429 K450 H490	H70 H71 H119 H261 H316 H367 K388 H428
BS03	CA	A	Y257 E260 T268 D274 N321	Y195 E198 T206 D212 N259
BS04	CA	A	K450 E465	K388 E403

Gene Ontology

Molecular Function

• GO:0005507 copper ion binding
• GO:0005509 calcium ion binding
• GO:0016491 oxidoreductase activity
• GO:0046872 metal ion binding
• GO:0050304 nitrous-oxide reductase activity

Biological Process

• GO:0019333 denitrification pathway
• GO:1902600 proton transmembrane transport

Cellular Component

• GO:0042597 periplasmic space

External links

• PDB: RCSB:9f8x, PDBe:9f8x, PDBj:9f8x
• PDBsum: 9f8x
• PubMed: 38720157
• UniProt: A0A368XMX8