6K03 | pdb_00006k03

Crystal structure of ceH2A-H2B

• PDB DOI: https://doi.org/10.2210/pdb6K03/pdb

• Classification: CHAPERONE
• Organism(s): Caenorhabditis elegans
• Expression System: Escherichia coli K-12
• Mutation(s): No 


• Deposited: 2019-05-05 Released: 2019-10-09 
• Deposition Author(s): Liu, Y.R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.86 Å
• R-Value Free: 
  0.284 (Depositor), 0.288 (DCC) 
• R-Value Work: 
  0.231 (Depositor), 0.232 (DCC) 
• R-Value Observed: 
  0.237 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of xlH2A-H2B

Liu, Y.R.

(2019) Structure 

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 22.65 kDa 
• Atom Count: 1,281 
• Modeled Residue Count: 166 
• Deposited Residue Count: 207 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Histone H2B 1,Histone H2A	A [auth D]	207	Caenorhabditis elegans	Mutation(s): 0
UniProt
Find proteins for P04255 (Caenorhabditis elegans) Explore P04255  Go to UniProtKB:  P04255
Find proteins for P09588 (Caenorhabditis elegans) Explore P09588  Go to UniProtKB:  P09588
UniProt Groups	P04255P09588

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.86 Å
• R-Value Free:  0.284 (Depositor), 0.288 (DCC) 
• R-Value Work:  0.231 (Depositor), 0.232 (DCC) 
• R-Value Observed: 0.237 (Depositor) 

Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 63.839	α = 90
b = 63.839	β = 90
c = 70.032	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
HKL-2000	data reduction
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2019-10-09 
Deposition Author(s): Liu, Y.R.

Revision History  

• Version 1.0: 2019-10-09
  Type: Initial release
  
• Version 1.1: 2023-11-22
  Changes: Data collection, Database references, Refinement description