3SQD

Crystal structure of human PTIP BRCT5/6-gamma H2AX complex

• PDB DOI: https://doi.org/10.2210/pdb3SQD/pdb

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


• Deposited: 2011-07-05 Released: 2011-11-09 
• Deposition Author(s): Yan, W., Shao, Z.H.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free: 0.248 
• R-Value Work: 0.197 
• R-Value Observed: 0.200 

Literature

Crystal structure of human PTIP BRCT5/6-gamma H2AX

Yan, W., Shao, Z.H.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

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

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

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

Macromolecule Content

• Total Structure Weight: 52.76 kDa 
• Atom Count: 3,741 
• Modelled Residue Count: 430 
• Deposited Residue Count: 458 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PAX-interacting protein 1	A, B	219	Homo sapiens	Mutation(s): 0  Gene Names: PTIP
UniProt & NIH Common Fund Data Resources
Find proteins for Q6ZW49 (Homo sapiens) Explore Q6ZW49  Go to UniProtKB:  Q6ZW49
PHAROS:  Q6ZW49 GTEx:  ENSG00000157212

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Histone H2A.x	C, D	10	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P16104 (Homo sapiens) Explore P16104  Go to UniProtKB:  P16104
PHAROS:  P16104 GTEx:  ENSG00000188486

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
SEP	C, D	L-PEPTIDE LINKING	C3 H8 N O6 P		SER

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free: 0.248 
• R-Value Work: 0.197 
• R-Value Observed: 0.200 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 84.973	α = 90
b = 101.812	β = 90
c = 61.815	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
MAR345dtb	data collection

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-11-09 
Deposition Author(s): Yan, W., Shao, Z.H.

Revision History  

• Version 1.0: 2011-11-09
  Type: Initial release
  
• Version 1.1: 2017-11-08
  Changes: Advisory, Refinement description
• Version 1.2: 2023-11-01
  Changes: Advisory, Data collection, Database references, Derived calculations, Refinement description