9KU3 | pdb_00009ku3

Cryo-EM structure of CtpA S300A/K325A/Q329A mutant from Helicobacter pylori

PDB DOI: https://doi.org/10.2210/pdb9KU3/pdb
NAKB: 9KU3
EM Map EMD-62573: EMDB EMDataResource

Classification: HYDROLASE
Organism(s): Helicobacter pylori G27, Escherichia coli BL21(DE3)
Expression System: Escherichia coli BL21(DE3)
Mutation(s): Yes

Deposited: 2024-12-03 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: 3.14 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 S300A/K325A/Q329A mutant from Helicobacter pylori

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

To be published.

Macromolecule Content

Total Structure Weight: 279.74 kDa
Atom Count: 17,769
Modeled Residue Count: 2,317
Deposited Residue Count: 2,544
Unique protein chains: 1
Unique nucleic acid 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, B, C, D, E A, B, C, D, E, F	416	Helicobacter pylori G27	Mutation(s): 3 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

Find similar nucleic acids by: Sequence | 3D Structure

Entity ID: 2
Molecule	Chains	Length	Organism	Image
Unidentified protein	G H I J K G, H, I, J, K, L [auth M]	8	Escherichia coli BL21(DE3)
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: ELECTRON MICROSCOPY
Resolution: 3.14 Å
Aggregation State: PARTICLE
Reconstruction Method: SINGLE PARTICLE

EM Software:

Task	Software Package	Version
MODEL REFINEMENT	PHENIX	1.20.1_4487

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.