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Solution NMR Structure of the Coiled-coil BRCA1-PALB2 Heterodimer
Authors
Daigham, N.S., Liu, G., Bunting, S.F., Montelione, G.T.
Assembly
Breast cancer type 1 susceptibility protein homolog (E.C.2.3.2.27), Partner and localizer of BRCA2
Entity
1. Breast cancer type 1 susceptibility protein homolog (E.C.2.3.2.27), Partner and localizer of BRCA2, entity 1 (polymer), 60 monomers, 6923.591 Da Detail

MNLSEDCSQS DILTTQQRAT MKYNLIKLQQ EMAHLEAVLE QRGNQPSGHS PSLEHHHHHH


2. Breast cancer type 1 susceptibility protein homolog (E.C.2.3.2.27), Partner and localizer of BRCA2, entity 2 (polymer, Thiol state: not present), 68 monomers, 7925.989 Da Detail

MEELSGKPLS YAEKEKLKEK LAFLKKEYSR TLARLQRAKR AEKAKNSKKA IEDGVPQPEA LEHHHHHH


Total weight
14849.58 Da
Max. entity weight
7925.989 Da
Source organism
Mus musculus
Exptl. method
solution NMR
Data set
assigned_chemical_shifts, spectral_peak_list
Chem. Shift Complete
Sequence coverage: 91.4 %, Completeness: 76.2 %, Completeness (bb): 75.1 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All76.2 % (1172 of 1538)81.7 % (664 of 813)67.9 % (396 of 583)78.9 % (112 of 142)
Backbone75.1 % (569 of 758)87.1 % (222 of 255)62.6 % (238 of 380)88.6 % (109 of 123)
Sidechain77.8 % (703 of 904)79.2 % (442 of 558)78.9 % (258 of 327)15.8 % (3 of 19)
Aromatic15.6 % (14 of 90)15.6 % (7 of 45)15.6 % (7 of 45)
Methyl92.7 % (102 of 110)92.7 % (51 of 55)92.7 % (51 of 55)

1. entity 1

MNLSEDCSQS DILTTQQRAT MKYNLIKLQQ EMAHLEAVLE QRGNQPSGHS PSLEHHHHHH

2. entity 2

MEELSGKPLS YAEKEKLKEK LAFLKKEYSR TLARLQRAKR AEKAKNSKKA IEDGVPQPEA LEHHHHHH

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 293 K, pH 6.5, Details 1.5 mM [U-100% 13C; U-100% 15N] PALB2cc, 3 mM BRCA1cc, 20 mM MES, 200 mM sodium chloride, 10 mM DTT, 5 mM CaCl2, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1PALB2cc[U-100% 13C; U-100% 15N]1.5 mM
2BRCA1ccnatural abundance3 mM
3MESnatural abundance20 mM
4sodium chloridenatural abundance200 mM
5DTTnatural abundance10 mM
6CaCl2natural abundance5 mM
Sample #2

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 293 K, pH 6.5, Details 1.5 mM [U-100% 13C; U-100% 15N] BRCA1cc, 3 mM PALB2cc, 20 mM MES, 200 mM sodium chloride, 10 mM DTT, 5 mM CaCl2, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
7PALB2ccnatural abundance3 mM
8BRCA1cc[U-100% 13C; U-100% 15N]1.5 mM
9MESnatural abundance20 mM
10sodium chloridenatural abundance200 mM
11DTTnatural abundance10 mM
12CaCl2natural abundance5 mM

Release date
2020-10-01
Citation 1
Antiparallel Coiled-Coil Interactions Mediate Homodimerization of the DNA Damage Repair Protein, PALB2
Song, F., Li, M., Liu, G., Swapna, G.V.T., Daigham, N.S., Xia, B., Montelione, G.T., Bunting, S.F.
Biochemistry (2018), 57, 6581-6591, PubMed 30289697 , DOI 10.1021/acs.biochem.8b00789 ,
Citation 2
The Structural Basis for Interactions Between PALB2 and BRCA1 that Mediate the Homologous Recombination DNA Damage Repair Process
Daigham, N.S., Liu, G., Bunting, S.F., Montelione, G.T.
Related entities 1. Breast cancer type 1 susceptibility protein homolog (E.C.2.3.2.27), Partner and localizer of BRCA2, entity 1, : 1 : 2 : 11 entities Detail
Related entities 2. Breast cancer type 1 susceptibility protein homolog (E.C.2.3.2.27), Partner and localizer of BRCA2, entity 2, : 2 : 3 entities Detail
Interaction partners 1. Breast cancer type 1 susceptibility protein homolog (E.C.2.3.2.27), Partner and localizer of BRCA2, entity 1, : 3 interactors Detail
Experiments performed 23 experiments Detail
Chemical shift validation 4 contents Detail
Keywords DNA, Homologous Recombination, ONCOPROTEIN