2C2C

REFINEMENT OF THE CRYSTAL STRUCTURE OF OXIDIZED RHODOSPIRILLUM RUBRUM CYTOCHROME C2

• PDB DOI: https://doi.org/10.2210/pdb2C2C/pdb
• Entry: 2C2C supersedes: 1C2C

• Classification: ELECTRON TRANSPORT PROTEIN (CYTOCHROME)
• Organism(s): Rhodospirillum rubrum
• Mutation(s): No 


• Deposited: 1983-11-03 Released: 1984-02-02 
• Deposition Author(s): Bhatia, G., Finzel, B.C., Kraut, J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Work: 
  0.172 (Depositor), 0.160 (DCC) 

Literature

Refinement of the Crystal Structure of Oxidized Rhodospirillum Rubrum Cytochrome C2

Bhatia, G.E.

(1981) Thesis 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 12.88 kDa 
• Atom Count: 962 
• Modelled Residue Count: 112 
• Deposited Residue Count: 112 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CYTOCHROME C2	A	112	Rhodospirillum rubrum	Mutation(s): 0
UniProt
Find proteins for P0C189 (Rhodospirillum rubrum) Explore P0C189  Go to UniProtKB:  P0C189

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEC	B [auth A]	HEME C C34 H34 Fe N4 O4 HXQIYSLZKNYNMH-LJNAALQVSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Work:  0.172 (Depositor), 0.160 (DCC) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 32.22	α = 90
b = 37.36	β = 90
c = 84.62	γ = 90

Software Package:

Software Name	Purpose
PROLSQ	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 1984-02-02 
Deposition Author(s): Bhatia, G., Finzel, B.C., Kraut, J.
• This entry supersedes: 1C2C

Revision History  

• Version 1.0: 1984-02-02
  Type: Initial release
  
• Version 1.1: 2008-03-24
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-11-29
  Changes: Derived calculations, Other
• Version 2.0: 2021-03-03
  Changes: Advisory, Atomic model, Data collection, Database references, Derived calculations, Non-polymer description, Structure summary
• Version 2.1: 2024-10-23
  Changes: Data collection, Database references, Structure summary