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Solution NMR structure of human Brd3 ET domain with MLV IN C-terminal Tail Peptide (TP) complex
Authors
Aiyer, S., Swapna, G.V.T., Roth, M.J., Montelione, G.T.
Assembly
Bromodomain-containing protein 3, Integrase peptide (E.C.2.7.7.-,3.1.-.-)
Entity
1. Bromodomain-containing protein 3, Integrase peptide (E.C.2.7.7.-,3.1.-.-), entity 1 (polymer), 96 monomers, 11242.36 Da Detail

HHHHHHSHMG KQASASYDSE EEEEGLPMSY DEKRQLSLDI NRLPGEKLGR VVHIIQSREP SLRDSNPDEI EIDFETLKPT TLRELERYVK SCLQKK


2. Bromodomain-containing protein 3, Integrase peptide (E.C.2.7.7.-,3.1.-.-), entity 2 (polymer, Thiol state: not present), 23 monomers, 2806.231 Da Detail

SRLTWRVQRS QNPLKIRLTR EAP


Total weight
14048.592 Da
Max. entity weight
11242.36 Da
Source organism
Homo sapiens , Moloney murine leukemia virus isolate Shinnick
Exptl. method
solution NMR
Data set
assigned_chemical_shifts, spectral_peak_list
Chem. Shift Complete
Sequence coverage: 93.3 %, Completeness: 78.4 %, Completeness (bb): 76.7 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All78.4 % (1132 of 1443)84.6 % (645 of 762)68.4 % (374 of 547)84.3 % (113 of 134)
Backbone76.7 % (537 of 700)91.1 % (214 of 235)62.6 % (221 of 353)91.1 % (102 of 112)
Sidechain81.5 % (699 of 858)81.8 % (431 of 527)83.2 % (257 of 309)50.0 % (11 of 22)
Aromatic66.7 % (52 of 78)66.7 % (26 of 39)65.8 % (25 of 38)100.0 % (1 of 1)
Methyl96.3 % (104 of 108)94.4 % (51 of 54)98.1 % (53 of 54)

1. entity 1

HHHHHHSHMG KQASASYDSE EEEEGLPMSY DEKRQLSLDI NRLPGEKLGR VVHIIQSREP SLRDSNPDEI EIDFETLKPT TLRELERYVK SCLQKK

2. entity 2

SRLTWRVQRS QNPLKIRLTR EAP

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-100% 13C; U-100% 15N] MLV IN TP, 100 mM sodium chloride, 20 mM sodium phosphate, 2 mM 2-mercaptoethanol, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1MLV IN TP[U-100% 13C; U-100% 15N]0.5 (±0.02) mM
2sodium chloridenatural abundance100 (±0.02) mM
3sodium phosphatenatural abundance20 (±0.02) mM
42-mercaptoethanolnatural 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-100% 13C; U-100% 15N] Brd3 ET, 100 mM sodium chloride, 20 mM sodium phosphate, 2 mM 2-mercaptoethanol, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
5sodium chloridenatural abundance100 (±0.02) mM
6sodium phosphatenatural abundance20 (±0.02) mM
72-mercaptoethanolnatural abundance2 (±0.02) mM
8Brd3 ET[U-100% 13C; U-100% 15N]0.5 (±0.02) mM
Sample #3

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 Brd3 ET, 100 mM sodium chloride, 20 mM sodium phosphate, 2 mM 2-mercaptoethanol, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
9sodium chloridenatural abundance100 (±0.02) mM
10sodium phosphatenatural abundance20 (±0.02) mM
112-mercaptoethanolnatural abundance2 (±0.02) mM
12Brd3 ETnatural abundance0.5 (±0.02) mM
Sample #4

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 Brd3 ET, 100 mM sodium chloride, 20 mM sodium phosphate, 2 mM 2-mercaptoethanol, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
13sodium chloridenatural abundance100 (±0.02) mM
14sodium phosphatenatural abundance20 (±0.02) mM
152-mercaptoethanolnatural abundance2 (±0.02) mM
16Brd3 ETnatural abundance0.5 (±0.02) mM

Release date
2020-09-25
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, Integrase peptide (E.C.2.7.7.-,3.1.-.-), entity 1, : 1 : 3 : 7 : 42 entities Detail
Related entities 2. Bromodomain-containing protein 3, Integrase peptide (E.C.2.7.7.-,3.1.-.-), entity 2, : 1 : 3 : 15 entities Detail
Interaction partners 1. Bromodomain-containing protein 3, Integrase peptide (E.C.2.7.7.-,3.1.-.-), entity 1, : 6 interactors Detail
Experiments performed 36 experiments Detail
Chemical shift validation 4 contents Detail
Keywords BET proteins, BRD3, MLV-IN TP, SIGNALING PROTEIN, extra-terminal domain