4QAO

Lysine-ligated cytochrome c with F82H

• PDB DOI: https://doi.org/10.2210/pdb4QAO/pdb

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


• Deposited: 2014-05-05 Released: 2015-08-05 
• Deposition Author(s): Amacher, J.F., Zhu, M.Q., Zhong, F., Pletneva, E.K., Madden, D.R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.223 
• R-Value Work: 0.183 
• R-Value Observed: 0.185 

Literature

Understanding PDZ Affinity and Selectivity: All Residues Considered

Amacher, J.F.

(2014) Thesis 

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 3 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 36.92 kDa 
• Atom Count: 2,683 
• Modelled Residue Count: 318 
• Deposited Residue Count: 318 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytochrome c iso-1	A, B, C	106	Saccharomyces cerevisiae	Mutation(s): 3  Gene Names: CYC1, YJR048W, J1653
UniProt
Find proteins for P00044 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P00044  Go to UniProtKB:  P00044

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.223 
• R-Value Work: 0.183 
• R-Value Observed: 0.185 
• Space Group: I 4 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 105.96	α = 90
b = 105.96	β = 90
c = 149.95	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
PHENIX	model building
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHENIX	phasing
Blu-Ice	data collection

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-08-05 
Deposition Author(s): Amacher, J.F., Zhu, M.Q., Zhong, F., Pletneva, E.K., Madden, D.R.

Revision History  

• Version 1.0: 2015-08-05
  Type: Initial release
  
• Version 1.1: 2017-11-22
  Changes: Refinement description
• Version 1.2: 2019-07-17
  Changes: Data collection, Refinement description
• Version 1.3: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description