9UOO | pdb_00009uoo

Klebsiella pneumoniae RecA

PDB DOI: https://doi.org/10.2210/pdb9UOO/pdb

Classification: RECOMBINATION
Organism(s): Klebsiella variicola 342
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2025-04-26 Released: 2026-02-18
Deposition Author(s): Zhou, C., Su, L.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.50 Å
R-Value Free:
0.242 (Depositor), 0.238 (DCC)
R-Value Work:
0.187 (Depositor), 0.203 (DCC)
R-Value Observed:
0.190 (Depositor)

Starting Model: experimental
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Ligand Structure Quality Assessment

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Literature

Klebsiella pneumoniae RecA

Zhou, C., Su, L.

To be published.

Macromolecule Content

Total Structure Weight: 38.42 kDa
Atom Count: 2,430
Modeled Residue Count: 317
Deposited Residue Count: 352
Unique protein chains: 1

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein RecA	A	352	Klebsiella variicola 342	Mutation(s): 0 Gene Names: recA, KPK_1096
UniProt
Find proteins for B5XVB6 (Klebsiella variicola (strain 342)) Explore B5XVB6 Go to UniProtKB: B5XVB6
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	B5XVB6
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
AGS (Subject of Investigation/LOI) Query on AGS Download:Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER C₁₀ H₁₆ N₅ O₁₂ P₃ S NLTUCYMLOPLUHL-KQYNXXCUSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.50 Å
R-Value Free: 0.242 (Depositor), 0.238 (DCC)
R-Value Work: 0.187 (Depositor), 0.203 (DCC)
R-Value Observed: 0.190 (Depositor)

Space Group: P 6₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 109.155	α = 90
b = 109.155	β = 90
c = 73.8	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

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Ligand Structure Quality Assessment

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-02-18

Deposition Author(s):

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

Revision History (Full details and data files)

Version 1.0: 2026-02-18
Type: Initial release

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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.