9XCK | pdb_00009xck

Crystal structure of Pseudomonas aeruginosa SuhB complexed with Phosphate, myo-Inositol and Ca2+ at active site

PDB DOI: https://doi.org/10.2210/pdb9XCK/pdb

Classification: HYDROLASE
Organism(s): Pseudomonas aeruginosa PAO1
Expression System: Escherichia coli
Mutation(s): Yes

Deposited: 2025-10-26 Released: 2026-10-28
Deposition Author(s): Yadav, V.K., Bhattacharyya, S.
Funding Organization(s): Other government

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.30 Å
R-Value Free:
0.242 (Depositor), 0.245 (DCC)
R-Value Work:
0.184 (Depositor), 0.194 (DCC)
R-Value Observed:
0.187 (Depositor)

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

Crystal structure of Pseudomonas aeruginosa SuhB complexed with Phosphate, myo-Inositol and Ca2+ at active site

Yadav, V.K., Bhattacharyya, S.

To be published.

Macromolecule Content

Total Structure Weight: 60.08 kDa
Atom Count: 4,495
Modeled Residue Count: 542
Deposited Residue Count: 546
Unique protein chains: 1

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Nus factor SuhB	A, B	273	Pseudomonas aeruginosa PAO1	Mutation(s): 1 Gene Names: suhB, PA3818 EC: 3.1.3.25
UniProt
Find proteins for Q9HXI4 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore Q9HXI4 Go to UniProtKB: Q9HXI4
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9HXI4
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 5 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
INS (Subject of Investigation/LOI) Query on INS Download:Ideal Coordinates CCD File SDF format, chain H [auth B] SDF format, chain C [auth A] MOL2 format, chain H [auth B] MOL2 format, chain C [auth A] mmCIF format, chain H [auth B] mmCIF format, chain C [auth A]	C [auth A], H [auth B]	1,2,3,4,5,6-HEXAHYDROXY-CYCLOHEXANE C₆ H₁₂ O₆ CDAISMWEOUEBRE-GPIVLXJGSA-N		Interactions Focus chain C [auth A] Focus chain H [auth B] Interactions & Density Focus chain C [auth A] Focus chain H [auth B]
PO4 (Subject of Investigation/LOI) Query on PO4 Download:Ideal Coordinates CCD File SDF format, chain G [auth B] MOL2 format, chain G [auth B] mmCIF format, chain G [auth B]	G [auth B]	PHOSPHATE ION O₄ P NBIIXXVUZAFLBC-UHFFFAOYSA-K		Interactions Focus chain G [auth B] Interactions & Density Focus chain G [auth B]
GOL Query on GOL Download:Ideal Coordinates CCD File SDF format, chain I [auth B] MOL2 format, chain I [auth B] mmCIF format, chain I [auth B]	I [auth B]	GLYCEROL C₃ H₈ O₃ PEDCQBHIVMGVHV-UHFFFAOYSA-N		Interactions Focus chain I [auth B] Interactions & Density Focus chain I [auth B]
ACT Query on ACT Download:Ideal Coordinates CCD File SDF format, chain E [auth A] SDF format, chain D [auth A] MOL2 format, chain E [auth A] MOL2 format, chain D [auth A] mmCIF format, chain E [auth A] mmCIF format, chain D [auth A]	D [auth A], E [auth A]	ACETATE ION C₂ H₃ O₂ QTBSBXVTEAMEQO-UHFFFAOYSA-M		Interactions Focus chain D [auth A] Focus chain E [auth A] Interactions & Density Focus chain D [auth A] Focus chain E [auth A]
CA Query on CA Download:Ideal Coordinates CCD File SDF format, chain J [auth B] SDF format, chain F [auth A] MOL2 format, chain J [auth B] MOL2 format, chain F [auth A] mmCIF format, chain J [auth B] mmCIF format, chain F [auth A]	F [auth A], J [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N		Interactions Focus chain F [auth A] Focus chain J [auth B] Interactions & Density Focus chain F [auth A] Focus chain J [auth B]