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Solution Structure of SinI, antagonist to the master biofilm-regulator SinR in Bacillus subtilis
Authors
Draughn, G.L., Bobay, B.G., Stowe, S.D., Thompson, R.J., Cavanagh, J.
Assembly
Protein SinI
Entity
1. Protein SinI (polymer, Thiol state: not present), 63 monomers, 7172.051 × 2 Da Detail

GSHMASMKNA KQEHFELDQE WVELMVEAKE ANISPEEIRK YLLLNKKSAH PGPAARSHTV NPF


Total weight
14344.102 Da
Max. entity weight
7172.051 Da
Source organism
Bacillus subtilis subsp. subtilis str. 168
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 93.7 %, Completeness: 85.8 %, Completeness (bb): 89.2 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All85.8 % (642 of 748)86.0 % (339 of 394)87.5 % (252 of 288)77.3 % (51 of 66)
Backbone89.2 % (330 of 370)87.1 % (108 of 124)91.4 % (171 of 187)86.4 % (51 of 59)
Sidechain84.3 % (370 of 439)85.6 % (231 of 270)85.8 % (139 of 162) 0.0 % (0 of 7)
Aromatic46.4 % (26 of 56)46.4 % (13 of 28)48.1 % (13 of 27) 0.0 % (0 of 1)
Methyl89.3 % (50 of 56)89.3 % (25 of 28)89.3 % (25 of 28)

1. Protein SinI

GSHMASMKNA KQEHFELDQE WVELMVEAKE ANISPEEIRK YLLLNKKSAH PGPAARSHTV NPF

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 293 K, pH 6, Details 1 mM [U-15N] SinI, 20 mM MES, 200 mM sodium chloride, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1MESnatural abundance20 mM
2NaClnatural abundance200 mM
3SinI[U-15N]1 mM
4H2Onatural abundance90 %
5D2Onatural abundance10 %
Sample #2

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 293 K, pH 6, Details 1 mM [U-13C; U-15N] SinI, 20 mM MES, 200 mM NaCl, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
6MESnatural abundance20 mM
7NaClnatural abundance200 mM
8SinI[U-13C; U-15N]1 mM
9H2Onatural abundance90 %
10D2Onatural abundance10 %
Sample #3

Solvent system 100% D2O, Pressure 1 atm, Temperature 293 K, pH 6, Details 1 mM [U-13C; U-15N] SinI, 20 mM MES, 200 mM NaCl, 100% D2O


#NameIsotope labelingTypeConcentration
11MESnatural abundance20 mM
12NaClnatural abundance200 mM
13SinI[U-13C; U-15N]1 mM
14D2Onatural abundance100 %

LACS Plot; CA
Referencing offset: 0.13 ppm, Outliers: 1 Detail
LACS Plot; CB
Referencing offset: 0.13 ppm, Outliers: 1 Detail
LACS Plot; HA
Referencing offset: 0.06 ppm, Outliers: 2 Detail
LACS Plot; CO
Referencing offset: -0.15 ppm, Outliers: 1 Detail
Protein Blocks Logo
Calculated from 10 models in PDB: 5TMX, Strand ID: A, B Detail


Release date
2016-11-10
Citation
The Solution Structures and Interaction of SinR and SinI: Elucidating the Mechanism of Action of the Master Regulator Switch for Biofilm Formation in Bacillus subtilis
Milton, M.E., Draughn, G.L., Bobay, B.G., Stowe, S.D., Olson, A.L., Feldmann, E.A., Thompson, R.J., Myers, K.H., Santoro, M.T., Kearns, D.B., Cavanagh, J.
J. Mol. Biol. (2020), 432, 343-357, PubMed 31493408 , DOI 10.1016/j.jmb.2019.08.019 ,
Related entities 1. Protein SinI, : 1 : 2 : 3 entities Detail
Interaction partners 1. Protein SinI, : 2 interactors Detail
Experiments performed 12 experiments Detail
NMR combined restraints 4 contents Detail
Keywords biofilm, repressor, sporulation