9FUI | pdb_00009fui

CRYSTAL STRUCTURE OF NITRIC OXIDE TREATED F295L MUTANT OF THREE-DOMAIN HEME-CU NITRITE REDUCTASE FROM RALSTONIA PICKETTII

PDB DOI: https://doi.org/10.2210/pdb9FUI/pdb

Classification: OXIDOREDUCTASE
Organism(s): Ralstonia pickettii
Expression System: Escherichia coli BL21(DE3)
Mutation(s): Yes

Deposited: 2024-06-26 Released: 2025-07-09
Deposition Author(s): Petchyam, N., Antonyuk, S., Hasnain, S.S.
Funding Organization(s): UK Research and Innovation (UKRI)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.17 Å
R-Value Free:
0.127 (Depositor), 0.127 (DCC)
R-Value Work:
0.105 (Depositor), 0.105 (DCC)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.0 of the entry. See complete history.

Literature

Structural studies of haem three-domain copper nitrite reductase mutants from Ralstonia pickettii

Petchyam, N., Antonyuk, S., Hasnain, S.S.

To be published.

Macromolecule Content

Total Structure Weight: 49.74 kDa
Atom Count: 4,729
Modeled Residue Count: 457
Deposited Residue Count: 457
Unique protein chains: 1

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Copper-containing nitrite reductase	A	457	Ralstonia pickettii	Mutation(s): 1 Gene Names: nirK, D7S62_04310 EC: 1.7.2.1
UniProt
Find proteins for I6NAW4 (Ralstonia pickettii) Explore I6NAW4 Go to UniProtKB: I6NAW4
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	I6NAW4
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
HEC (Subject of Investigation/LOI) Query on HEC Download:Ideal Coordinates CCD File SDF format, chain D [auth A] MOL2 format, chain D [auth A] mmCIF format, chain D [auth A]	D [auth A]	HEME C C₃₄ H₃₄ Fe N₄ O₄ HXQIYSLZKNYNMH-LJNAALQVSA-N		Interactions Focus chain D [auth A] Interactions & Density Focus chain D [auth A]
CU (Subject of Investigation/LOI) Query on CU Download:Ideal Coordinates CCD File SDF format, chain B [auth A] SDF format, chain C [auth A] MOL2 format, chain B [auth A] MOL2 format, chain C [auth A] mmCIF format, chain B [auth A] mmCIF format, chain C [auth A]	B [auth A], C [auth A]	COPPER (II) ION Cu JPVYNHNXODAKFH-UHFFFAOYSA-N		Interactions Focus chain B [auth A] Focus chain C [auth A] Interactions & Density Focus chain B [auth A] Focus chain C [auth A]
NO (Subject of Investigation/LOI) Query on NO Download:Ideal Coordinates CCD File SDF format, chain E [auth A] SDF format, chain F [auth A] SDF format, chain G [auth A] SDF format, chain H [auth A] MOL2 format, chain E [auth A] MOL2 format, chain F [auth A] MOL2 format, chain G [auth A] MOL2 format, chain H [auth A] mmCIF format, chain E [auth A] mmCIF format, chain F [auth A] mmCIF format, chain G [auth A] mmCIF format, chain H [auth A]	E [auth A], F [auth A], G [auth A], H [auth A]	NITRIC OXIDE N O ODUCDPQEXGNKDN-UHFFFAOYSA-N		Interactions Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A] Interactions & Density Focus chain E [auth A] Focus chain F [auth A] Focus chain G [auth A] Focus chain H [auth A]