Biological Assembly 1  

 3D View: Structure | Electron Density

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

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

Macromolecule Content

• Total Structure Weight: 25493.16 
• Atom Count: 1750 
• Residue Count: 222 
• Unique protein chains: 2

1T15

Crystal Structure of the Brca1 BRCT Domains in Complex with the Phosphorylated Interacting Region from Bach1 Helicase

• DOI: 10.2210/pdb1T15/pdb

• Classification: ANTITUMOR PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21


• Deposited: 2004-04-15 Released: 2004-05-11 
• Deposition Author(s): Clapperton, J.A., Manke, I.A., Lowery, D.M., Ho, T., Haire, L.F., Yaffe, M.B., Smerdon, S.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 0.222 
• R-Value Work: 0.206 

Literature

Structure and mechanism of BRCA1 BRCT domain recognition of phosphorylated BACH1 with implications for cancer

Clapperton, J.A., Manke, I.A., Lowery, D.M., Ho, T., Haire, L.F., Yaffe, M.B., Smerdon, S.J.

(2004) Nat.Struct.Mol.Biol. 11: 512-518

• PubMed: 15133502 
• DOI: 10.1038/nsmb775
• Also Cited By: 3PXE, 3PXD, 3PXC, 3PXB, 3PXA


• PubMed Abstract: 
  

Germline mutations in the BRCA1 tumor suppressor gene often result in a significant increase in susceptibility to breast and ovarian cancers. Although the molecular basis of their effects remains largely obscure, many mutations are known to target the highly conserved C-terminal BRCT repeats that function as a phosphoserine/phosphothreonine-binding module. We report the X-ray crystal structure at a resolution of 1.85 A of the BRCA1 tandem BRCT domains in complex with a phosphorylated peptide representing the minimal interacting region of the DEAH-box helicase BACH1. The structure reveals the determinants of this novel class of BRCA1 binding events. We show that a subset of disease-linked mutations act through specific disruption of phospho-dependent BRCA1 interactions rather than through gross structural perturbation of the tandem BRCT domains.

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Organizational Affiliation: 

National Institute for Medical Research, Division of Protein Structure, The Ridgeway, Mill Hill, London NW7 1AA, UK.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
Breast cancer type 1 susceptibility protein	A	214	Homo sapiens	Mutation(s): 0  Gene Names: BRCA1 (RNF53) EC: 2.3.2.27
Find proteins for P38398 (Homo sapiens) Go to Gene View: BRCA1 Go to UniProtKB:  P38398

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details
BRCA1 interacting protein C-terminal helicase 1	B	8	Homo sapiens	Mutation(s): 0  Gene Names: BRIP1 (BACH1, FANCJ) EC: 3.6.4.13
Find proteins for Q9BX63 (Homo sapiens) Go to Gene View: BRIP1 Go to UniProtKB:  Q9BX63

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 0.222 
• R-Value Work: 0.206 
• Space Group: P 3₂ 2 1

Unit Cell:

Length (Å)	Angle (°)
a = 65.837	α = 90.00
b = 65.837	β = 90.00
c = 93.075	γ = 120.00

Software Package:

Software Name	Purpose
SCALEPACK	data scaling
REFMAC	refinement
DENZO	data reduction
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2004-04-15 
• Released Date: 2004-05-11 
• Deposition Author(s): Clapperton, J.A., Manke, I.A., Lowery, D.M., Ho, T., Haire, L.F., Yaffe, M.B., Smerdon, S.J.

Revision History 

• Version 1.0: 2004-05-11
  Type: Initial release
• Version 1.1: 2008-04-30
  Type: Version format compliance
• Version 1.2: 2011-07-13
  Type: Version format compliance