9WM0 | pdb_00009wm0

Escherichia coli RecG in complex with a partial replication fork

PDB DOI: https://doi.org/10.2210/pdb9WM0/pdb

Classification: REPLICATION/DNA
Organism(s): Escherichia coli K-12, chemical production metagenome
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2025-09-02 Released: 2026-09-09
Deposition Author(s): Cheng, K.
Funding Organization(s): National Natural Science Foundation of China (NSFC)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.20 Å
R-Value Free:
0.249 (Depositor)
R-Value Work:
0.230 (Depositor)
R-Value Observed:
0.231 (Depositor)

wwPDB Validation

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

Literature

Structural insights into DNA replication fork reversal by RecG

Cheng, K.

To be published.

Macromolecule Content

Total Structure Weight: 97.71 kDa
Atom Count: 7,269
Modeled Residue Count: 762
Deposited Residue Count: 762
Unique protein chains: 1
Unique nucleic acid chains: 3

Macromolecules

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Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ATP-dependent DNA helicase RecG	A	693	Escherichia coli K-12	Mutation(s): 0 Gene Names: recG, radC, spoV, b3652, JW3627 EC: 5.6.2.4
UniProt
Find proteins for P24230 (Escherichia coli (strain K12)) Explore P24230 Go to UniProtKB: P24230
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P24230
Sequence Annotations Expand
Reference Sequence

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(by identity cutoff)

Molecule	Chains	Length	Organism	Image
Entity ID: 2
DNA (28-MER)	B	28	chemical production metagenome
Sequence Annotations Expand
Reference Sequence

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(by identity cutoff)

Molecule	Chains	Length	Organism	Image
Entity ID: 3
DNA (34-MER)	C	34	chemical production metagenome
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Reference Sequence

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Molecule	Chains	Length	Organism	Image
Entity ID: 4
DNA (5'-D(PCPGPAPGPCPAP*C)-3')	D	7	chemical production metagenome
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.20 Å
R-Value Free: 0.249 (Depositor)
R-Value Work: 0.230 (Depositor)
R-Value Observed: 0.231 (Depositor)

Space Group: P 4₂ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 134.428	α = 90
b = 134.428	β = 90
c = 153.213	γ = 90

Software Package:

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

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-09-09

Deposition Author(s):

Funding Organization	Location	Grant Number
National Natural Science Foundation of China (NSFC)	China	32100017
National Natural Science Foundation of China (NSFC)	China	32270043

Revision History (Full details and data files)

Version 1.0: 2026-09-09
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.