4RCC

Crystal structure of E Coli Hfq

• PDB DOI: https://doi.org/10.2210/pdb4RCC/pdb

• Classification: RNA BINDING PROTEIN
• Organism(s): Escherichia coli K-12
• Mutation(s): No 


• Deposited: 2014-09-15 Released: 2015-09-16 
• Deposition Author(s): Su, J.Y.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.98 Å
• R-Value Free: 0.213 
• R-Value Work: 0.180 
• R-Value Observed: 0.182 

Literature

Limited proteolysis improves E.coli Hfq crystal structure resolution

Feng, S.Q., Si, Y.L., Song, C.Y., Wang, P.Q., Su, J.Y.

(2015) Zhongguo Sheng Wu Hua Xue Yu Fen Zi Sheng Wu Xue Bao 9: 845-851

• DOI: https://doi.org/10.13865/j.cnki.cjbmb.2015.10.14

Biological Assembly 1  

Global Symmetry: Cyclic - C6  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

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

Macromolecule Content

• Total Structure Weight: 7.65 kDa 
• Atom Count: 565 
• Modelled Residue Count: 66 
• Deposited Residue Count: 67 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
RNA-binding protein Hfq	A	67	Escherichia coli K-12	Mutation(s): 0
UniProt
Find proteins for P0A6X3 (Escherichia coli (strain K12)) Explore P0A6X3  Go to UniProtKB:  P0A6X3

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.98 Å
• R-Value Free: 0.213 
• R-Value Work: 0.180 
• R-Value Observed: 0.182 
• Space Group: P 6

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 61.32	α = 90
b = 61.32	β = 90
c = 28.09	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-09-16 
Deposition Author(s): Su, J.Y.

Revision History  

• Version 1.0: 2015-09-16
  Type: Initial release
  
• Version 1.1: 2015-09-23
  Changes: Database references
• Version 1.2: 2020-01-29
  Changes: Database references
• Version 1.3: 2024-03-20
  Changes: Data collection, Database references