9WIW | pdb_00009wiw

Crystal structure of a Escherichia phage UPEC07 protein

• PDB DOI: https://doi.org/10.2210/pdb9WIW/pdb

• Classification: ANTIMICROBIAL PROTEIN
• Organism(s): Escherichia phage T4
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2025-08-29 Released: 2026-03-04 
• Deposition Author(s): Wang, H., Feng, Y., Wei, L.L.
• Funding Organization(s): National Natural Science Foundation of China (NSFC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.56 Å
• R-Value Free: 
  0.269 (Depositor), 0.271 (DCC) 
• R-Value Work: 
  0.230 (Depositor), 0.231 (DCC) 
• R-Value Observed: 
  0.234 (Depositor) 

Starting Model: in silico

Literature

Crystal structure of a Escherichia phage UPEC07 protein

Wang, H., Feng, Y., Wei, L.L.

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)

Macromolecule Content 

• Total Structure Weight: 13.07 kDa 
• Atom Count: 606 
• Modeled Residue Count: 69 
• Deposited Residue Count: 109 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Endoribonuclease	A	109	Escherichia phage T4	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	B [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.56 Å
• R-Value Free:  0.269 (Depositor), 0.271 (DCC) 
• R-Value Work:  0.230 (Depositor), 0.231 (DCC) 
• R-Value Observed: 0.234 (Depositor) 

Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 64.471	α = 90
b = 64.471	β = 90
c = 54.539	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
autoPROC	data reduction
autoPROC	data scaling
PHENIX	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2026-03-04 
Deposition Author(s): Wang, H., Feng, Y., Wei, L.L.

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

Revision History  

• Version 1.0: 2026-03-04
  Type: Initial release