7Z8Z

Crystal structure of the MEILB2-BRME1 2:2 core complex

• PDB DOI: https://doi.org/10.2210/pdb7Z8Z/pdb

• Classification: RECOMBINATION
• Organism(s): Mus musculus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2022-03-19 Released: 2023-09-20 
• Deposition Author(s): Gurusaran, M., Davies, O.R.
• Funding Organization(s): Wellcome Trust

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.235 
• R-Value Work: 0.197 
• R-Value Observed: 0.198 

Literature

MEILB2-BRME1 acts as a DNA clamp upon dimerisation induced by BRCA2-binding in meiotic recombination.

Gurusaran, M., Davies, O.R.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 

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

Biological Assembly Evidence: light scattering

Macromolecule Content

• Total Structure Weight: 23.9 kDa 
• Atom Count: 1,896 
• Modelled Residue Count: 190 
• Deposited Residue Count: 202 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Heat shock factor 2-binding protein	A, C	63	Mus musculus	Mutation(s): 0  Gene Names: Hsf2bp, Meilb2
UniProt & NIH Common Fund Data Resources
Find proteins for Q9D4G2 (Mus musculus) Explore Q9D4G2  Go to UniProtKB:  Q9D4G2
IMPC:  MGI:1921627

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Break repair meiotic recombinase recruitment factor 1	B, D	38	Mus musculus	Mutation(s): 0  Gene Names: Brme1, Meiok21
UniProt
Find proteins for Q6DIA7 (Mus musculus) Explore Q6DIA7  Go to UniProtKB:  Q6DIA7

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.235 
• R-Value Work: 0.197 
• R-Value Observed: 0.198 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 27.054	α = 90
b = 43.992	β = 90
c = 178.712	γ = 90

Software Package:

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

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-09-20 
Deposition Author(s): Gurusaran, M., Davies, O.R.

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

Revision History  

• Version 1.0: 2023-09-20
  Type: Initial release