8R2G

Crystal structure of a BRCA2-DMC1 complex

• PDB DOI: https://doi.org/10.2210/pdb8R2G/pdb

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


• Deposited: 2023-11-05 Released: 2023-11-22 
• Deposition Author(s): Dunce, J.M., Davies, O.R.
• Funding Organization(s): Wellcome Trust

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.45 Å
• R-Value Free: 0.306 
• R-Value Work: 0.264 
• R-Value Observed: 0.266 

Starting Model: experimental

Literature

Crystal structure of a BRCA2-DMC1 complex

Dunce, J.M., Davies, O.R.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 15-mer - A8B4C3 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 15-mer - A8B1C1D1E1F1G1H1 Local Symmetry: Cyclic - C8  (Explore in 3D)
Local Stoichiometry: Homo 8-mer - A8 

Local Symmetry: Cyclic - C8  (Explore in 3D)
Local Stoichiometry: Homo 8-mer - A8 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: light scattering

Macromolecule Content

• Total Structure Weight: 242.19 kDa 
• Atom Count: 15,352 
• Modelled Residue Count: 1,958 
• Deposited Residue Count: 2,186 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Meiotic recombination protein DMC1/LIM15 homolog	A, B, C, D, E, F, G, H	261	Homo sapiens	Mutation(s): 0  Gene Names: DMC1
UniProt & NIH Common Fund Data Resources
Find proteins for Q14565 (Homo sapiens) Explore Q14565  Go to UniProtKB:  Q14565
PHAROS:  Q14565 GTEx:  ENSG00000100206

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Breast cancer type 2 susceptibility protein	I, J, K, L, M, N, O	14	Homo sapiens	Mutation(s): 0  Gene Names: BRCA2, FACD, FANCD1
UniProt & NIH Common Fund Data Resources
Find proteins for P51587 (Homo sapiens) Explore P51587  Go to UniProtKB:  P51587
PHAROS:  P51587 GTEx:  ENSG00000139618

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.45 Å
• R-Value Free: 0.306 
• R-Value Work: 0.264 
• R-Value Observed: 0.266 
• Space Group: P 4₁ 2 2
• Diffraction Data: https://doi.org/10.18430/M38R2G

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 125.4	α = 90
b = 125.4	β = 90
c = 364.195	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PHENIX	model building
XDS	data reduction
Aimless	data scaling
autoPROC	data processing
PHASER	phasing
STARANISO	data scaling

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-11-22 
Deposition Author(s): Dunce, J.M., Davies, O.R.

---

Funding Organization	Location	Grant Number
Wellcome Trust	United Kingdom	219413/Z/19/Z

Revision History  

• Version 1.0: 2023-11-22
  Type: Initial release