1BEK | pdb_00001bek

EFFECT OF UNNATURAL HEME SUBSTITUTION ON KINETICS OF ELECTRON TRANSFER IN CYTOCHROME C PEROXIDASE

• PDB DOI: https://doi.org/10.2210/pdb1BEK/pdb

• Classification: PEROXIDASE
• Organism(s): Saccharomyces cerevisiae
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 1998-05-16 Released: 1998-10-21 
• Deposition Author(s): Miller, M.A., Kraut, J.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å

Literature

Effect of Unnatural Heme Substitution on Kinetics of Electron Transfer in Cytochrome C Peroxidase

Miller, M.A., Millett, F., Durham, B., Kraut, J., Mei, H.K., Ashford, V.A., Xuong, N.-H., Kraut, J.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 33.75 kDa 
• Atom Count: 2,512 
• Modeled Residue Count: 291 
• Deposited Residue Count: 291 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
YEAST CYTOCHROME C PEROXIDASE	A	291	Saccharomyces cerevisiae	Mutation(s): 4  EC: 1.11.1.5
UniProt
Find proteins for P00431 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P00431  Go to UniProtKB:  P00431

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: 2.20 Å

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 105.018	α = 90
b = 74.206	β = 90
c = 45.478	γ = 90

Software Package:

Software Name	Purpose
TNT	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 1998-10-21 
Deposition Author(s): Miller, M.A., Kraut, J.

Revision History  

• Version 1.0: 1998-10-21
  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: 2018-03-14
  Changes: Database references, Other
• Version 1.4: 2024-02-07
  Changes: Data collection, Database references, Derived calculations