1ZR3

Crystal structure of the macro-domain of human core histone variant macroH2A1.1 (form B)

• PDB DOI: https://doi.org/10.2210/pdb1ZR3/pdb

• Classification: GENE REGULATION
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2005-05-19 Released: 2006-02-14 
• Deposition Author(s): Kustatscher, G., Hothorn, M., Pugieux, C., Scheffzek, K., Ladurner, A.G.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.66 Å
• R-Value Free: 0.232 
• R-Value Work: 0.188 
• R-Value Observed: 0.190 

Starting Model: experimental

Literature

Splicing regulates NAD metabolite binding to histone macroH2A.

Kustatscher, G., Hothorn, M., Pugieux, C., Scheffzek, K., Ladurner, A.G.

(2005) Nat Struct Mol Biol 12: 624-625

• PubMed: 15999106 
• DOI: https://doi.org/10.1038/nsmb0705-560
• Primary Citation of Related Structures:  
  1ZR3

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Biological Assembly 3  

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

Biological assembly 3 assigned by authors.

Biological Assembly 4  

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

Biological assembly 4 assigned by authors.

Macromolecule Content

• Total Structure Weight: 89.29 kDa 
• Atom Count: 6,180 
• Modelled Residue Count: 740 
• Deposited Residue Count: 844 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
histone macroH2A1.1	A, B, C, D	211	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for O75367 (Homo sapiens) Explore O75367  Go to UniProtKB:  O75367
PHAROS:  O75367 GTEx:  ENSG00000113648

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MES	E [auth A]	2-(N-MORPHOLINO)-ETHANESULFONIC ACID C6 H13 N O4 S SXGZJKUKBWWHRA-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.66 Å
• R-Value Free: 0.232 
• R-Value Work: 0.188 
• R-Value Observed: 0.190 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 80.9	α = 90
b = 89.2	β = 90
c = 92.73	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-02-14 
Deposition Author(s): Kustatscher, G., Hothorn, M., Pugieux, C., Scheffzek, K., Ladurner, A.G.

Revision History  

• Version 1.0: 2006-02-14
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.3: 2023-08-23
  Changes: Data collection, Database references, Derived calculations, Refinement description