Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

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

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

Macromolecule Content

• Total Structure Weight: 18.02 kDa 
• Atom Count: 1240 
• Residue Count: 139 
• Unique protein chains: 2

4LK9

Crystal Structure of MOZ double PHD finger histone H3 tail complex

• DOI: 10.2210/pdb4LK9/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2013-07-07 Released: 2013-10-16 
• Deposition Author(s): Dreveny, I., Deeves, S.E., Yue, B., Heery, D.M.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.186 
• R-Value Work: 0.164 
• R-Value Observed: 0.165 

Literature

The double PHD finger domain of MOZ/MYST3 induces alpha-helical structure of the histone H3 tail to facilitate acetylation and methylation sampling and modification.

Dreveny, I., Deeves, S.E., Fulton, J., Yue, B., Messmer, M., Bhattacharya, A., Collins, H.M., Heery, D.M.

(2014) Nucleic Acids Res 42: 822-835

• PubMed: 24150941 
• DOI: 10.1093/nar/gkt931
• Primary Citation of Related Structures:  
  4LJN, 4LKA, 4LK9, 4LLB


• PubMed Abstract: 
  

Histone tail modifications control many nuclear processes by dictating the dynamic exchange of regulatory proteins on chromatin. Here we report novel insights into histone H3 tail structure in complex with the double PHD finger (DPF) of the lysine acetyltransferase MOZ/MYST3/KAT6A. In addition to sampling H3 and H4 modification status, we show that the DPF cooperates with the MYST domain to promote H3K9 and H3K14 acetylation, although not if H3K4 is trimethylated. Four crystal structures of an extended DPF alone and in complex with unmodified or acetylated forms of the H3 tail reveal the molecular basis of crosstalk between H3K4me3 and H3K14ac. We show for the first time that MOZ DPF induces α-helical conformation of H3K4-T11, revealing a unique mode of H3 recognition. The helical structure facilitates sampling of H3K4 methylation status, and proffers H3K9 and other residues for modification. Additionally, we show that a conserved double glycine hinge flanking the H3 tail helix is required for a conformational change enabling docking of H3K14ac with the DPF. In summary, our data provide the first observations of extensive helical structure in a histone tail, revealing the inherent ability of the H3 tail to adopt alternate conformations in complex with chromatin regulators.

---

Organizational Affiliation: 

Centre for Biomolecular Sciences, School of Pharmacy, University of Nottingham, Nottingham NG7 2RD, UK.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Histone acetyltransferase KAT6A	A	136	Homo sapiens	Mutation(s): 0  Gene Names: KAT6A, MOZ, MYST3, RUNXBP2, ZNF220 EC: 2.3.1.48
Find proteins for Q92794 (Homo sapiens) Explore Q92794  Go to UniProtKB:  Q92794
NIH Common Fund Data Resources
PHAROS  Q92794 GTEx  ENSG00000083168

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Histone H3.1	B	21	Homo sapiens	Mutation(s): 0  Gene Names:  H3C1, H3FA, HIST1H3A, H3C2, H3FL, HIST1H3B, H3C3, H3FC HIST1H3C, H3C4, H3FB, HIST1H3D, H3C6, H3FD, HIST1H3E, H3C7, H3FI, HIST1H3F, H3C8, H3FH, HIST1H3G, H3C10, H3FK, HIST1H3H, H3C11, H3FF, HIST1H3I, H3C12, H3FJ, HIST1H3J
Find proteins for P68431 (Homo sapiens) Explore P68431  Go to UniProtKB:  P68431
NIH Common Fund Data Resources
PHAROS  P68431 GTEx  ENSG00000197409GTEx  ENSG00000197153GTEx  ENSG00000278828GTEx  ENSG00000275714GTEx  ENSG00000273983GTEx  ENSG00000274750GTEx  ENSG00000275379GTEx  ENSG00000277775

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	A	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.186 
• R-Value Work: 0.164 
• R-Value Observed: 0.165 
• Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 70.519	α = 90
b = 70.519	β = 90
c = 96.827	γ = 90

Software Package:

Software Name	Purpose
SCALA	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
XDS	data reduction

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2013-07-07 
• Released Date: 2013-10-16 
Deposition Author(s): Dreveny, I., Deeves, S.E., Yue, B., Heery, D.M.

Revision History 

• Version 1.0: 2013-10-16
  Type: Initial release
  
• Version 1.1: 2014-02-05
  Changes: Database references