451C

STRUCTURE OF CYTOCHROME C551 FROM P. AERUGINOSA REFINED AT 1.6 ANGSTROMS RESOLUTION AND COMPARISON OF THE TWO REDOX FORMS

• PDB DOI: https://doi.org/10.2210/pdb451C/pdb

• Classification: ELECTRON TRANSPORT
• Organism(s): Pseudomonas aeruginosa
• Mutation(s): No 
• Membrane Protein: Yes  OPM


• Deposited: 1981-07-20 Released: 1981-10-02 
• Deposition Author(s): Matsuura, Y., Takano, T., Dickerson, R.E.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Work: 0.187 

Literature

Structure of cytochrome c551 from Pseudomonas aeruginosa refined at 1.6 A resolution and comparison of the two redox forms.

Matsuura, Y., Takano, T., Dickerson, R.E.

(1982) J Mol Biol 156: 389-409

• PubMed: 6283101 
• DOI: https://doi.org/10.1016/0022-2836(82)90335-7
• Primary Citation of Related Structures:  
  351C, 451C

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 9.32 kDa 
• Atom Count: 726 
• Modelled Residue Count: 82 
• Deposited Residue Count: 82 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CYTOCHROME C551	A	82	Pseudomonas aeruginosa	Mutation(s): 0  Membrane Entity: Yes
UniProt
Find proteins for P00099 (Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)) Explore P00099  Go to UniProtKB:  P00099

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEM	B [auth A]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Work: 0.187 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 29.47	α = 90
b = 49.3	β = 90
c = 49.74	γ = 90

Structure Validation

Entry History 

Deposition Data

• Released Date: 1981-10-02 
Deposition Author(s): Matsuura, Y., Takano, T., Dickerson, R.E.

Revision History  

• Version 1.0: 1981-10-02
  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: 2017-11-29
  Changes: Derived calculations, Other
• Version 1.4: 2024-10-23
  Changes: Data collection, Database references, Derived calculations, Structure summary