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A common binding motif in the ET domain of BRD3 participates in polymorphic structural interfaces with host and viral proteins
Authors
Aiyer, S., Swapna, G.V.T., Roth, M., Montelione, G.T.
Assembly
Bromodomain-containing protein 3
Entity
1. Bromodomain-containing protein 3 (polymer), 96 monomers, 11242.36 Da Detail

HHHHHHSHMG KQASASYDSE EEEEGLPMSY DEKRQLSLDI NRLPGEKLGR VVHIIQSREP SLRDSNPDEI EIDFETLKPT TLRELERYVK SCLQKK


Formula weight
11242.36 Da
Source organism
Homo sapiens
Exptl. method
solution NMR
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 93.8 %, Completeness: 85.8 %, Completeness (bb): 89.9 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All85.8 % (981 of 1144)85.9 % (518 of 603)85.8 % (375 of 437)84.6 % (88 of 104)
Backbone89.9 % (509 of 566)91.1 % (174 of 191)88.7 % (252 of 284)91.2 % (83 of 91)
Sidechain83.0 % (556 of 670)83.5 % (344 of 412)84.5 % (207 of 245)38.5 % (5 of 13)
Aromatic48.5 % (32 of 66)48.5 % (16 of 33)48.5 % (16 of 33)
Methyl100.0 % (82 of 82)100.0 % (41 of 41)100.0 % (41 of 41)

1. entity 1

HHHHHHSHMG KQASASYDSE EEEEGLPMSY DEKRQLSLDI NRLPGEKLGR VVHIIQSREP SLRDSNPDEI EIDFETLKPT TLRELERYVK SCLQKK

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 (±0.05) atm, Temperature 298 (±0.1) K, pH 7.0 (±0.05), Details 0.5 mM [U-15N] Brd3 ET Domain, 100 mM sodium chloride, 20 mM Na3PO4, 2 mM 2-mercapto ethanol, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1Brd3 ET Domain[U-15N]0.5 (±0.02) mM
2sodium chloridenatural abundance100 (±0.02) mM
3Na3PO4natural abundance20 (±0.02) mM
42-mercapto ethanolnatural abundance2 (±0.02) mM
Sample #2

Solvent system 90% H2O/10% D2O, Pressure 1 (±0.05) atm, Temperature 298 (±0.1) K, pH 7.0 (±0.05), Details 0.5 mM [U-13C; U-15N] Brd3 ET Domain, 100 mM sodium chloride, 20 mM Na3PO4, 2 mM beta-mercaptoethanol, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
5Brd3 ET Domain[U-13C; U-15N]0.5 (±0.02) mM
6sodium chloridenatural abundance100 (±0.02) mM
7Na3PO4natural abundance20 (±0.02) mM
8beta-mercaptoethanolnatural abundance2 (±0.02) mM

Release date
2020-08-18
Citation
A common binding motif in the ET domain of BRD3 forms polymorphic structural interfaces with host and viral proteins
Aiyer, S., Swapna, G.V.T., Ma, L., Liu, G., Hao, J., Chalmers, G., Jacobs, B.C., Montelione, G.T., Roth, M.
Structure (2021), 29, 886-898, PubMed 33592170 , DOI 10.1016/j.str.2021.01.010 ,
Related entities 1. Bromodomain-containing protein 3, : 1 : 3 : 7 : 42 entities Detail
Interaction partners 1. Bromodomain-containing protein 3, : 6 interactors Detail
Experiments performed 14 experiments Detail
Chemical shift validation 3 contents Detail
Keywords BET proteins, BRD3, Integrase, VIRAL PROTEIN, extra-terminal domain