9KSP | pdb_00009ksp

Cryo-EM structure of CtpA from Helicobacter pylori in an all-resting state

PDB DOI: https://doi.org/10.2210/pdb9KSP/pdb
EM Map EMD-62553: EMDB EMDataResource

Classification: HYDROLASE
Organism(s): Helicobacter pylori G27
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2024-11-30 Released: 2025-12-03
Deposition Author(s): Sun, K., Zhang, H., Au, S.W.N.
Funding Organization(s): The University Grants Committee, Research Grants Council (RGC)

Experimental Data Snapshot

Method: ELECTRON MICROSCOPY
Resolution: 3.49 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

wwPDB Validation 3D Report Full Report

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

Literature

Cryo-EM structure of CtpA from Helicobacter pylori in an all-resting state

Sun, K., Zhang, H., Au, S.W.N.

To be published.

Macromolecule Content

Total Structure Weight: 276.71 kDa
Atom Count: 15,319
Modeled Residue Count: 1,993
Deposited Residue Count: 2,496
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Carboxyl-terminal protease	A [auth C] B [auth A] C [auth B] D E A [auth C], B [auth A], C [auth B], D, E, F	416	Helicobacter pylori G27	Mutation(s): 0 Gene Names: HPG27_1298
UniProt
Find proteins for B5Z8Z7 (Helicobacter pylori (strain G27)) Explore B5Z8Z7 Go to UniProtKB: B5Z8Z7
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	B5Z8Z7
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.49 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Released Date: 2025-12-03

Deposition Author(s):

Funding Organization	Location	Grant Number
The University Grants Committee, Research Grants Council (RGC)	Hong Kong	14117622

Revision History (Full details and data files)

Version 1.0: 2025-12-03
Type: Initial release

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.