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Backbone Chemical Shift Assignments for Ca+-Bound Calmodulin Mutant (D21A/D23A/D25A/E32A D57A/D59A/N61A/E68A) Bound to CaV1.2 IQ Motif
Authors
Ames, J., Salveson, I.
Assembly
Calmodulin
Entity
1. Calmodulin (polymer, Thiol state: not present), 149 monomers, 16458.26 Da Detail

MADQLTEEQI AEFKEAFSLF AKAGAGTITT KALGTVMRSL GQNPTEAELQ DMINEVAAAG AGTIDFPAFL TMMARKMKDT DSEEEIREAF RVFDKDGNGY ISAAELRHVM TNLGEKLTDE EVDEMIREAD IDGDGQVNYE EFVQMMTAK


Formula weight
16458.26 Da
Source organism
Escherichia coli
Exptl. method
solution NMR
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 91.9 %, Completeness: 62.1 %, Completeness (bb): 84.9 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All62.1 % (1035 of 1666)52.9 % (455 of 860)70.1 % (454 of 648)79.7 % (126 of 158)
Backbone84.9 % (756 of 890)80.1 % (246 of 307)88.1 % (384 of 436)85.7 % (126 of 147)
Sidechain44.2 % (404 of 914)37.8 % (209 of 553)55.7 % (195 of 350) 0.0 % (0 of 11)
Aromatic 0.0 % (0 of 100) 0.0 % (0 of 50) 0.0 % (0 of 50)
Methyl81.6 % (129 of 158)79.7 % (63 of 79)83.5 % (66 of 79)

1. Calmodulin

MADQLTEEQI AEFKEAFSLF AKAGAGTITT KALGTVMRSL GQNPTEAELQ DMINEVAAAG AGTIDFPAFL TMMARKMKDT DSEEEIREAF RVFDKDGNGY ISAAELRHVM TNLGEKLTDE EVDEMIREAD IDGDGQVNYE EFVQMMTAK

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 303 K, pH 7.5


#NameIsotope labelingTypeConcentration
1Calmodulin[U-100% 13C; U-100% 15N; U-80% 2H]0.75 mM
2CaV1.2 IQ motifnatural abundance1 mM
3CaCl2natural abundance2mM mM
Sample #2

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 303 K, pH 7.5


#NameIsotope labelingTypeConcentration
4Calmodulin[U-100% 13C; U-100% 15N; U-80% 2H]0.5 mM
5CaV1.2 IQ motifnatural abundance0.75 mM
6CaCl2natural abundance2 mM

Release date
2018-11-15
Citation
Chemical shift assignments of a calmodulin intermediate with two Ca2+ bound in complex with the IQ-motif of voltage-gated Ca2+ channels (CaV1.2)
Salveson, I., Anderson, D.E., Hell, J.W., Ames, J.B.
Biomol. NMR Assign. (2019), 13, 233-237, PubMed 30788773 , DOI 10.1007/s12104-019-09883-0 ,
Related entities 1. Calmodulin, : 1 : 115 : 180 entities Detail
Interaction partners 1. Calmodulin, : 1 interactors Detail
Experiments performed 5 experiments Detail
Chemical shift validation 3 contents Detail