2REC

RECA HEXAMER MODEL, ELECTRON MICROSCOPY

• PDB DOI: https://doi.org/10.2210/pdb2REC/pdb

• Classification: HELICASE
• Organism(s): Escherichia coli
• Mutation(s): No 


• Deposited: 1996-12-03 Released: 1997-04-01 
• Deposition Author(s): Yu, X., Egelman, E.H.

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Experimental Data Snapshot

• Method: ELECTRON MICROSCOPY
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

Literature

The RecA hexamer is a structural homologue of ring helicases.

Yu, X., Egelman, E.H.

(1997) Nat Struct Biol 4: 101-104

• PubMed: 9033586 
• DOI: https://doi.org/10.1038/nsb0297-101
• Primary Citation of Related Structures:  
  2REC


• PubMed Abstract: 
  

  The RecA protein forms a hexameric ring that is similar to the core of the F1-ATPase. Several lines of evidence suggest that this hexamer may be a structural homologue of ring helicases.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 228.1 kDa 
• Atom Count: 1,818 
• Modelled Residue Count: 1,818 
• Deposited Residue Count: 2,118 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
RECA	A, B, C, D, E, F	353	Escherichia coli	Mutation(s): 0
UniProt
Find proteins for P0A7G6 (Escherichia coli (strain K12)) Explore P0A7G6  Go to UniProtKB:  P0A7G6

Experimental Data & Validation

Experimental Data

• Method: ELECTRON MICROSCOPY
• Aggregation State: FILAMENT 
• Reconstruction Method: HELICAL 

Structure Validation

Entry History 

Deposition Data

• Released Date: 1997-04-01 
Deposition Author(s): Yu, X., Egelman, E.H.

Revision History  

• Version 1.0: 1997-04-01
  Type: Initial release
  
• Version 1.1: 2008-03-25
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2024-02-21
  Changes: Author supporting evidence, Data collection, Data processing, Database references