Solution structure of the BRCA1/BARD1 RING-domain heterodimer

Structure of a BRCA1-BARD1 heterodimeric RING-RING complex.

residues 104-112 of chain A and 123-142 of chain B are missing in each model due to disorder.
BREAST CANCER TYPE 1 SUSCEPTIBILITY PROTEIN

MDLSALRVEEVQNVINAMQKILECPICLELIKEPVSTKCDHIFCKFCMLKLLNQKKGPSQCPLCKNDITKRSLQESTRFS
QLVEELLKIICAFQLDTGLEYANSYNFAKKGK

MEPDGRGAWAHSRAALDRLEKLLRCSRCTNILREPVCLGGCEHIFCSNCVSDCIGTGCPVCYTPAWIQDLKINRQLDSMI
QLCSKLRNLLHDNELSDLKEDKPRKSLFNDAGNKKGK

The structure was determined using triple-resonance NMR spectroscopy

structures with the least restraint violations, structures with the lowest energy

Structures are based on a total of 1664 restraints, 480 Intraresidue restraints, 475 Sequential restraints, 215 Medium-Range restraints, 256 Long-Range restraints, 82 Intermolecular restraints, 70 Hydrogen bond restraints, 16 Zinc restraints

sample 1: 0.8-1.1mM U-15N,13C BRCA1; unlabeled BARD1,
25mM sodium phosphate,
0.2M NaCl,
2mM DTT.
Sample 2:
0.8-1.1mM U-15N,13C BARD1; unlabeled BRCA1,
25mM sodium phosphate,
0.2M NaCl,
2mM DTT.
Sample 3:
0.8-1.1mM U-15N,13C,85%-2H BRCA1; unlabeled BARD1,
25mM sodium phosphate,
0.2M NaCl,
2mM DTT.
SAMPLE 4:
0.8-1.1mM U-15N,13C,85%-2H BARD1; unlabeled BRCA,1
25mM sodium phosphate,
0.2M NaCl,
2mM DTT.

0.8-1.1mM U-15N,13C BARD1; unlabeled BRCA1
25mM sodium phosphate
0.2M NaCl
2mM DTT

0.8-1.1mM U-15N,13C,85%-2H BRCA1; unlabeled BARD1
25mM sodium phosphate
0.2M NaCl
2mM DTT

0.8-1.1mM U-15N,13C,85%-2H BARD1; unlabeled BRCA1
25mM sodium phosphate
0.2M NaCl
2mM DTT

BREAST CANCER TYPE 1 SUSCEPTIBILITY PROTEIN/BRCA1-ASSOCIATED RING DOMAIN PROTEIN 1 COMPLEX

BRCA1, BARD1, RING finger, zinc-binding protein, heterodimer, ubiquitin ligase, ANTITUMOR

MDLSALRVEEVQNVINAMQKILECPICLELIKEPVSTKCDHIFCKFCMLKLLNQKKGPSQCPLCKNDITKRSLQESTRFS
QLVEELLKIICAFQLDTGLEYANSYNFAKK

MEPDGRGAWAHSRAALDRLEKLLRCSRCTNILREPVCLGGCEHIFCSNCVSDCIGTGCPVCYTPAWIQDLKINRQLDSMI
QLCSKLRNLLHDNELSDLKEDKPRKSLFNDAGNKK