9KOJ | pdb_00009koj

Crystal structure of the isomerase Art22

PDB DOI: https://doi.org/10.2210/pdb9KOJ/pdb

Classification: ISOMERASE
Organism(s): Bacillus subtilis
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2024-11-20 Released: 2025-07-30
Deposition Author(s): Guo, L., Li, P.W., Li, D.F., Chen, Y.H.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.45 Å
R-Value Free:
0.203 (Depositor), 0.202 (DCC)
R-Value Work:
0.178 (Depositor), 0.178 (DCC)
R-Value Observed:
0.179 (Depositor)

Starting Model: in silico
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wwPDB Validation 3D Report Full Report

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This is version 1.1 of the entry. See complete history.

Literature

Oxidative cleavage of hexopyranose by a TIM-barrel isomerase

Li, P., Wang, D., Guo, L., Chen, Y., Mao, H., Zhao, Z., Wang, M., Chen, M., Xu, Z., Wang, B., Li, D., Chen, Y.

(2025) Nat Catal

DOI: https://doi.org/10.1038/s41929-025-01412-8

Macromolecule Content

Total Structure Weight: 67.45 kDa
Atom Count: 4,788
Modeled Residue Count: 556
Deposited Residue Count: 598
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Art22	A, B	299	Bacillus subtilis	Mutation(s): 0
UniProt
Find proteins for A0A317KV93 (Gracilibacillus dipsosauri) Explore A0A317KV93 Go to UniProtKB: A0A317KV93
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	A0A317KV93
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
SO4 Query on SO4 Download:Ideal Coordinates CCD File SDF format, chain D [auth A] SDF format, chain E [auth A] SDF format, chain G [auth B] MOL2 format, chain D [auth A] MOL2 format, chain E [auth A] MOL2 format, chain G [auth B] mmCIF format, chain D [auth A] mmCIF format, chain E [auth A] mmCIF format, chain G [auth B]	D [auth A], E [auth A], G [auth B]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain D [auth A] Focus chain E [auth A] Focus chain G [auth B] Interactions & Density Focus chain D [auth A] Focus chain E [auth A] Focus chain G [auth B]
MN Query on MN Download:Ideal Coordinates CCD File SDF format, chain C [auth A] SDF format, chain F [auth B] MOL2 format, chain C [auth A] MOL2 format, chain F [auth B] mmCIF format, chain C [auth A] mmCIF format, chain F [auth B]	C [auth A], F [auth B]	MANGANESE (II) ION Mn WAEMQWOKJMHJLA-UHFFFAOYSA-N		Interactions Focus chain C [auth A] Focus chain F [auth B] Interactions & Density Focus chain C [auth A] Focus chain F [auth B]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.45 Å
R-Value Free: 0.203 (Depositor), 0.202 (DCC)
R-Value Work: 0.178 (Depositor), 0.178 (DCC)
R-Value Observed: 0.179 (Depositor)

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 46.46	α = 90
b = 78.005	β = 90
c = 150.398	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XDS	data scaling
PHENIX	phasing

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2025-07-30

Deposition Author(s):

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	32370042
National Natural Science Foundation of China (NSFC)	China	32025002

Revision History (Full details and data files)

Version 1.0: 2025-07-30
Type: Initial release
Version 1.1: 2025-10-22
Changes: Database references

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.