6BUT

Solution structure of full-length apo mammalian calmodulin bound to the IQ motif of the human voltage-gated sodium channel NaV1.2


SOLUTION NMR
NMR Experiment
ExperimentTypeSample ContentsSolventIonic StrengthpHPressureTemperature (K)Spectrometer
12D 1H-15N HSQC0.950 mM U-99% C13, U-99% N15 Calmodulin, 0.950 mM U-99% C13, U-99% N15 voltage-gated sodium channel NaV1.2 IQ motif, 0.1 mM U-98% 2H EDTA, 100 mM KCl, 10 mM [U-99% 2H] imidazole, 0.01 % w/v sodium azide90% H2O/10% D2O100 mM6.51 atm298Varian INOVA 600
23D HNCACB0.950 mM U-99% C13, U-99% N15 Calmodulin, 0.950 mM U-99% C13, U-99% N15 voltage-gated sodium channel NaV1.2 IQ motif, 0.1 mM U-98% 2H EDTA, 100 mM KCl, 10 mM [U-99% 2H] imidazole, 0.01 % w/v sodium azide90% H2O/10% D2O100 mM6.51 atm298Varian INOVA 600
33D CBCA(CO)NH0.950 mM U-99% C13, U-99% N15 Calmodulin, 0.950 mM U-99% C13, U-99% N15 voltage-gated sodium channel NaV1.2 IQ motif, 0.1 mM U-98% 2H EDTA, 100 mM KCl, 10 mM [U-99% 2H] imidazole, 0.01 % w/v sodium azide90% H2O/10% D2O100 mM6.51 atm298Varian INOVA 600
43D HNCO0.950 mM U-99% C13, U-99% N15 Calmodulin, 0.950 mM U-99% C13, U-99% N15 voltage-gated sodium channel NaV1.2 IQ motif, 0.1 mM U-98% 2H EDTA, 100 mM KCl, 10 mM [U-99% 2H] imidazole, 0.01 % w/v sodium azide90% H2O/10% D2O100 mM6.51 atm298Varian INOVA 600
53D HACACO0.950 mM U-99% C13, U-99% N15 Calmodulin, 0.950 mM U-99% C13, U-99% N15 voltage-gated sodium channel NaV1.2 IQ motif, 0.1 mM U-98% 2H EDTA, 100 mM KCl, 10 mM [U-99% 2H] imidazole, 0.01 % w/v sodium azide90% H2O/10% D2O100 mM6.51 atm298Varian INOVA 600
63D C(CO)NH0.950 mM U-99% C13, U-99% N15 Calmodulin, 0.950 mM U-99% C13, U-99% N15 voltage-gated sodium channel NaV1.2 IQ motif, 0.1 mM U-98% 2H EDTA, 100 mM KCl, 10 mM [U-99% 2H] imidazole, 0.01 % w/v sodium azide90% H2O/10% D2O100 mM6.51 atm298Varian INOVA 600
73D H(CCO)NH0.950 mM U-99% C13, U-99% N15 Calmodulin, 0.950 mM U-99% C13, U-99% N15 voltage-gated sodium channel NaV1.2 IQ motif, 0.1 mM U-98% 2H EDTA, 100 mM KCl, 10 mM [U-99% 2H] imidazole, 0.01 % w/v sodium azide90% H2O/10% D2O100 mM6.51 atm298Varian INOVA 600
82D 1H-13C HMQC0.95 mM U-99% C13, U-99% N15 Calmodulin, 0.95 mM U-99% C13, U-99% N15 voltage-gated sodium channel NaV1.2 IQ motif, 0.1 mM U-98% 2H EDTA, 100 mM potassium chloride, 10 mM [U-99% 2H] imidazole, 0.01 % w/v sodium azide100% D2O100 mM6.51 atm298Bruker AVANCE II 500
93D HCCH-TOCSY0.95 mM U-99% C13, U-99% N15 Calmodulin, 0.95 mM U-99% C13, U-99% N15 voltage-gated sodium channel NaV1.2 IQ motif, 0.1 mM U-98% 2H EDTA, 100 mM potassium chloride, 10 mM [U-99% 2H] imidazole, 0.01 % w/v sodium azide100% D2O100 mM6.51 atm298Bruker AVANCE II 500
103D 1H-13C NOESY0.95 mM U-99% C13, U-99% N15 Calmodulin, 0.95 mM U-99% C13, U-99% N15 voltage-gated sodium channel NaV1.2 IQ motif, 0.1 mM U-98% 2H EDTA, 100 mM potassium chloride, 10 mM [U-99% 2H] imidazole, 0.01 % w/v sodium azide100% D2O100 mM6.51 atm298Bruker AVANCE II 800
NMR Spectrometer Information
SpectrometerManufacturerModelField Strength
1VarianINOVA600
2BrukerAVANCE II500
3BrukerAVANCE II800
NMR Refinement
MethodDetailsSoftware
molecular dynamicsAmber
NMR Ensemble Information
Conformer Selection Criteriastructures with the lowest energy
Conformers Calculated Total Number40
Conformers Submitted Total Number20
Representative Model1 (lowest average pairwise backbone rmsd)
Computation: NMR Software
#ClassificationVersionSoftware NameAuthor
1collectionVNMRVarian
2collectionTopSpinBruker Biospin
3processingNMRPipeDelaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax
4peak pickingAnalysis2.4CCPN
5chemical shift assignmentAnalysis2.4CCPN
7structure calculationCYANA2.1Guntert, Mumenthaler and Wuthrich
8refinementAmberAMBERTOOLS 17Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman