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

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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:

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% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% 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

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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

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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.