6QH1

The structure of Schizosaccharomyces pombe PCNA in complex with an Spd1 derived peptide

• PDB DOI: https://doi.org/10.2210/pdb6QH1/pdb

• Classification: DNA BINDING PROTEIN
• Organism(s): Schizosaccharomyces pombe
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2019-01-14 Released: 2020-02-05 
• Deposition Author(s): Kragelund, B.B., Nielsen, O., Olsen, J.G., Kassem, N., Prestel, A.
• Funding Organization(s): Danish Council for Independent Research

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 0.262 
• R-Value Work: 0.234 
• R-Value Observed: 0.236 

Literature

The structure of Schizosaccharomyces pombe PCNA in complex with an Spd1 derived peptide

Kragelund, B.B., Olsen, J.G., Kassem, N., Prestel, A.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A3B1 Local Symmetry: Cyclic - C3  (Explore in 3D)
Local Stoichiometry: Homo 3-mer - A3 

Local Symmetry: Cyclic - C3  (Explore in 3D)
Local Stoichiometry: Homo 3-mer - A3 

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

Macromolecule Content

• Total Structure Weight: 88.04 kDa 
• Atom Count: 5,797 
• Modelled Residue Count: 746 
• Deposited Residue Count: 790 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Proliferating cell nuclear antigen	A, B, C	260	Schizosaccharomyces pombe	Mutation(s): 0  Gene Names: pcn1, pcn, SPBC16D10.09
UniProt
Find proteins for Q03392 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore Q03392  Go to UniProtKB:  Q03392

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
S-phase delaying protein 1	D	10	Schizosaccharomyces pombe	Mutation(s): 0
UniProt
Find proteins for Q10585 (Schizosaccharomyces pombe (strain 972 / ATCC 24843)) Explore Q10585  Go to UniProtKB:  Q10585

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 0.262 
• R-Value Work: 0.234 
• R-Value Observed: 0.236 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 80.86	α = 90
b = 71.65	β = 115.75
c = 84.02	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2020-02-05 
Deposition Author(s): Kragelund, B.B., Nielsen, O., Olsen, J.G., Kassem, N., Prestel, A.

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Funding Organization	Location	Grant Number
Danish Council for Independent Research	Denmark	4481-00344

Revision History  

• Version 1.0: 2020-02-05
  Type: Initial release
  
• Version 1.1: 2021-06-23
  Changes: Data collection
• Version 1.2: 2024-01-24
  Changes: Data collection, Database references, Refinement description