6XYJ | pdb_00006xyj

Hfq from E.coli with inserted long loop L4 sequence

• PDB DOI: https://doi.org/10.2210/pdb6XYJ/pdb

• Classification: RNA BINDING PROTEIN
• Organism(s): Pseudomonas paraeruginosa PA7
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2020-01-30 Released: 2021-02-10 
• Deposition Author(s): Nikulin, A.D., Alipov, A.A., Lekontseva, N.V.
• Funding Organization(s): Russian Foundation for Basic Research

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.77 Å
• R-Value Free: 
  0.285 (Depositor), 0.290 (DCC) 
• R-Value Work: 
  0.211 (Depositor), 0.210 (DCC) 

Starting Model: experimental

Literature

Structure of a Mutant Form of Translation Regulator Hfq with the Extended Loop L4

Alipov, A.A., Lekontseva, N.V., Mikhailina, A.O., Fando, M.S., Tishchenko, S.V., Nikulin, A.D.

(2021) Crystallogr Rep 66: 791-796

• DOI: https://doi.org/10.1134/S1063774521050023

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: 63.41 kDa 
• Atom Count: 3,862 
• Modelled Residue Count: 481 
• Deposited Residue Count: 570 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
RNA-binding protein Hfq	A [auth AAA], B [auth BBB], C [auth CCC], D [auth DDD], E [auth EEE], F [auth FFF]	95	Pseudomonas paraeruginosa PA7	Mutation(s): 0  Gene Names: hfq, PSPA7_5673
UniProt
Find proteins for A6VD57 (Pseudomonas aeruginosa (strain PA7)) Explore A6VD57  Go to UniProtKB:  A6VD57

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.77 Å
• R-Value Free:  0.285 (Depositor), 0.290 (DCC) 
• R-Value Work:  0.211 (Depositor), 0.210 (DCC) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 76.811	α = 90
b = 112.616	β = 119.434
c = 78.054	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
MoRDa	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-02-10 
Deposition Author(s): Nikulin, A.D., Alipov, A.A., Lekontseva, N.V.

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Funding Organization	Location	Grant Number
Russian Foundation for Basic Research	Russian Federation	18-04-00222

Revision History  

• Version 1.0: 2021-02-10
  Type: Initial release
  
• Version 1.1: 2021-09-01
  Changes: Database references
• Version 1.2: 2024-01-24
  Changes: Data collection, Derived calculations, Refinement description