9M71 | pdb_00009m71

AcrIE10 apo structure

• PDB DOI: https://doi.org/10.2210/pdb9M71/pdb

• Classification: DNA BINDING PROTEIN
• Organism(s): Klebsiella pneumoniae
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2025-03-09 Released: 2026-03-11 
• Deposition Author(s): Tsui, W.T., Ma, J.B.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.39 Å
• R-Value Free: 
  0.249 (Depositor), 0.265 (DCC) 
• R-Value Work: 
  0.233 (Depositor), 0.232 (DCC) 

Starting Model: in silico

Literature

Dynamic balance of bacterial host immunity and resistance plasmid anti-immunity regulated by a bi-functional Acr-Aca protein AcrIE10 in Klebsiella pneumoniae

Tsui, W.T., Ma, J.B.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 25.66 kDa 
• Atom Count: 1,816 
• Modeled Residue Count: 226 
• Deposited Residue Count: 226 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
AcrIE10	A, B	113	Klebsiella pneumoniae	Mutation(s): 0  Gene Names: FME62_29170, GNF00_17735, H3G96_028615
UniProt
Find proteins for A0A218NFC2 (Klebsiella pneumoniae) Explore A0A218NFC2  Go to UniProtKB:  A0A218NFC2

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.39 Å
• R-Value Free:  0.249 (Depositor), 0.265 (DCC) 
• R-Value Work:  0.233 (Depositor), 0.232 (DCC) 

Space Group: P 6₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 68.91	α = 90
b = 68.91	β = 90
c = 233.22	γ = 120

Software Package:

Software Name	Purpose
HKL-3000	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-3000	data reduction
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2026-03-11 
Deposition Author(s): Tsui, W.T., Ma, J.B.

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

Revision History  

• Version 1.0: 2026-03-11
  Type: Initial release