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NMR solution structure of Vibrio parahaemolyticus VP2129 homodimer. Northeast Structural Genomics target VpR61.
Authors
Ramelot, T.A., Cort, J.R., Wang, H., Nwosu, C., Cunningham, K., Owens, L., Ma, L., Xiao, R., Liu, J., Baran, M.C., Swapna, G., Acton, T.B., Rost, B., Montelione, G.T., Kennedy, M.A.
Assembly
VP2129
Entity
1. VP2129 (polymer, Thiol state: not present), 166 monomers, 18519.11 × 2 Da Detail

MPITSKYTDE QVEKILAEVA LVLEKHAASP ELTLMIAGNI ATNVLNQRVA ASQRKLIAEK FAQALMSSLE TPKTHLEHHH HHHMPITSKY TDEQVEKILA EVALVLEKHA ASPELTLMIA GNIATNVLNQ RVAASQRKLI AEKFAQALMS SLETPKTHLE HHHHHH


Total weight
37038.22 Da
Max. entity weight
18519.11 Da
Source organism
Vibrio parahaemolyticus
Exptl. method
solution NMR
Refine. method
distance geometry, simulated annealing
Data set
assigned_chemical_shifts, spectral_peak_list
Chem. Shift Complete
Sequence coverage: 55.4 %, Completeness: 50.4 %, Completeness (bb): 53.2 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All50.4 % (971 of 1928)49.6 % (493 of 994)50.4 % (383 of 760)54.6 % (95 of 174)
Backbone53.2 % (523 of 984)52.7 % (173 of 328)52.8 % (262 of 496)55.0 % (88 of 160)
Sidechain48.1 % (533 of 1108)48.0 % (320 of 666)48.1 % (206 of 428)50.0 % (7 of 14)
Aromatic20.0 % (20 of 100)20.0 % (10 of 50)20.0 % (10 of 50)
Methyl55.3 % (126 of 228)55.3 % (63 of 114)55.3 % (63 of 114)

1. VP2129

MPITSKYTDE QVEKILAEVA LVLEKHAASP ELTLMIAGNI ATNVLNQRVA ASQRKLIAEK FAQALMSSLE TPKTHLEHHH HHHMPITSKY TDEQVEKILA EVALVLEKHA ASPELTLMIA GNIATNVLNQ RVAASQRKLI AEKFAQALMS SLETPKTHLE HHHHHH

Sample #1

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 293 (±1) K, pH 5.5 (±0.2)


#NameIsotope labelingTypeConcentration
1VP2129[U-13C; U-15N]1.4 (±0.1) mM
2sodium chloridenatural abundance100 (±5.0) mM
3calcium chloridenatural abundance5 (±0.25) mM
4ammonium acetatenatural abundance20 (±1.0) mM
5DTTnatural abundance10 (±0.5) mM
6sodium azidenatural abundance0.02 (±0.001) %
7H2Onatural abundance95 %
8D2O5 %
Sample #2

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 293 (±1) K, pH 5.5 (±0.2)


#NameIsotope labelingTypeConcentration
9VP2129[U-5% 13C; U-100% 15N]1.4 (±0.1) mM
10sodium chloridenatural abundance100 (±5.0) mM
11calcium chloridenatural abundance5 (±0.25) mM
12ammonium acetatenatural abundance20 (±1.0) mM
13DTTnatural abundance10 (±0.5) mM
14sodium azidenatural abundance0.02 (±0.001) %
15H2Onatural abundance95 %
16D2O5 %
Sample #3

Solvent system 100% D2O, Pressure 1 atm, Temperature 293 (±1) K, pH 5.5 (±0.2)


#NameIsotope labelingTypeConcentration
17VP2129[U-13C; U-15N]1.4 (±0.1) mM
18sodium chloridenatural abundance100 (±5.0) mM
19calcium chloridenatural abundance5 (±0.25) mM
20ammonium acetatenatural abundance20 (±1.0) mM
21DTTnatural abundance10 (±0.5) mM
22sodium azidenatural abundance0.02 (±0.001) %
23D2O100 %
Sample #4

Solvent system 100% D2O, Pressure 1 atm, Temperature 293 (±1) K, pH 5.5 (±0.2), Details 50% NC labeled and 50% unlabeled protein mixed together to form mixed homodimer.


#NameIsotope labelingTypeConcentration
24VP2129[U-13C; U-15N]0.4 (±0.1) mM
25sodium chloridenatural abundance100 (±5.0) mM
26calcium chloridenatural abundance5 (±0.25) mM
27ammonium acetatenatural abundance20 (±1.0) mM
28DTTnatural abundance10 (±0.5) mM
29sodium azidenatural abundance0.02 (±0.001) %
30VP2129natural abundance0.4 (±0.1) mM
31D2O100 %

LACS Plot; CA
Referencing offset: -0.17 ppm, Outliers: 2 Detail
LACS Plot; CB
Referencing offset: -0.17 ppm, Outliers: 2 Detail
LACS Plot; HA
Referencing offset: 0.02 ppm, Outliers: 2 Detail
LACS Plot; CO
Referencing offset: -0.14 ppm, Outliers: 3 Detail
Protein Blocks Logo
Calculated from 20 models in PDB: 2JPQ, Strand ID: A, B Detail


Release date
2007-06-13
Citation
Solution NMR structure of Vibrio parahaemolyticus VP2129. Northeast Structural Genomics
Ramelot, T.A., Cort, J.R., Montelione, G.A., Kennedy, M.A.
Experiments performed 25 experiments Detail
NMR combined restraints 5 contents Detail
Keywords dimer, helix, all alpha, homodimer