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Solution structure of heterodimeric coiled-coil domain of Drosophila GABAB receptor 1 and 2
Authors
Liu, X., Zhang, S., Liu, J., Zhang, C.X.
Assembly
Metabotropic GABA-B receptor subtype 1, Metabotropic GABA-B receptor subtype 2
Entity
1. Metabotropic GABA-B receptor subtype 1 (polymer, Thiol state: not present), 44 monomers, 5402.017 Da Detail

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2. Metabotropic GABA-B receptor subtype 2 (polymer, Thiol state: not present), 45 monomers, 5138.814 Da Detail

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Total weight
10540.831 Da
Max. entity weight
5402.017 Da
Source organism
Drosophila melanogaster
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 97.8 %, Completeness: 87.3 %, Completeness (bb): 92.8 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All87.3 % (952 of 1090)85.7 % (503 of 587)87.7 % (355 of 405)95.9 % (94 of 98)
Backbone92.8 % (492 of 530)94.4 % (170 of 180)90.5 % (238 of 263)96.6 % (84 of 87)
Sidechain84.2 % (543 of 645)81.8 % (333 of 407)88.1 % (200 of 227)90.9 % (10 of 11)
Aromatic50.0 % (9 of 18)100.0 % (9 of 9) 0.0 % (0 of 9)
Methyl95.7 % (88 of 92)95.7 % (44 of 46)95.7 % (44 of 46)

1. Metabotropic GABA-B receptor subtype 1

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2. Metabotropic GABA-B receptor subtype 2

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Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 293 K, pH 7.0, Details 20 mM PBS, 100 mM NaCl, 0.02 mg/mL NaN3, 0.8 mM [U-99% 15N] coiled-coil domain of Drosophila GABAB receptor 1, 0.8 mM [U-99% 15N] coiled-coil domain of Drosophila GABAB receptor 2, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1NaClnatural abundancesalt100 mM
2NaN3natural abundance0.02 mg/mL
3PBSnatural abundancebuffer20 mM
4coiled-coil domain of Drosophila GABAB receptor 1[U-99% 15N]protein0.8 mM
5coiled-coil domain of Drosophila GABAB receptor 2[U-99% 15N]protein0.8 mM
6H2Onatural abundancesolvent90 %
7D2O[U-2H]solvent10 %
Sample #2

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 293 K, pH 7.0, Details 20 mM PBS, 100 mM NaCl, 0.02 mg/mL NaN3, 0.7 mM [U-13C; U-15N] coiled-coil domain of Drosophila GABAB receptor 1, 0.7 mM [U-13C; U-15N] coiled-coil domain of Drosophila GABAB receptor 2, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
8NaClnatural abundancesalt100 mM
9NaN3natural abundance0.02 mg/mL
10PBSnatural abundancebuffer20 mM
11coiled-coil domain of Drosophila GABAB receptor 1[U-13C; U-15N]protein0.7 mM
12coiled-coil domain of Drosophila GABAB receptor 2[U-13C; U-15N]protein0.7 mM
13H2Onatural abundancesolvent90 %
14D2O[U-2H]solvent10 %

Protein Blocks Logo
Calculated from 20 models in PDB: 5X9X, Strand ID: A, B Detail


Release date
2017-06-03
Citation
Solution structure of heterodimeric coiled-coil domain of Drosophila GABAB receptor 1 and 2
Liu, X., Zhang, S.
Related entities 1. Metabotropic GABA-B receptor subtype 1, : 1 : 1 : 32 entities Detail
Related entities 2. Metabotropic GABA-B receptor subtype 2, : 1 : 16 entities Detail
Experiments performed 11 experiments Detail
NMR combined restraints 5 contents Detail
Keywords Drosophila, GABAB receptor, SIGNALING PROTEIN, coiled-coil