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Ca2+-free Calmodulin mutant N53I
Authors
Holt, C., Hamborg, L.N., Lau, K., Brohus, M., Sorensen, A.B., Larsen, K.T., Sommer, C., Petegem, F.V., Overgaard, M.T., Wimmer, R.
Assembly
Calmodulin
Entity
1. Calmodulin (polymer, Thiol state: not present), 148 monomers, 16705.27 Da Detail

ADQLTEEQIA EFKEAFSLFD KDGDGTITTK ELGTVMRSLG QNPTEAELQD MIIEVDADGN GTIDFPEFLT MMARKMKDTD SEEEIREAFR VFDKDGNGYI SAAELRHVMT NLGEKLTDEE VDEMIREADI DGDGQVNYEE FVQMMTAK


Formula weight
16705.27 Da
Source organism
Homo sapiens
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts, heteronucl_NOEs, heteronucl_T1_relaxation, heteronucl_T2_relaxation
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 93.4 %, Completeness (bb): 98.5 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All93.4 % (1563 of 1673)93.0 % (807 of 868)94.0 % (609 of 648)93.6 % (147 of 157)
Backbone98.5 % (871 of 884)98.0 % (299 of 305)98.4 % (426 of 433)100.0 % (146 of 146)
Sidechain89.3 % (827 of 926)90.2 % (508 of 563)90.3 % (318 of 352) 9.1 % (1 of 11)
Aromatic78.0 % (78 of 100)94.0 % (47 of 50)62.0 % (31 of 50)
Methyl90.4 % (132 of 146)95.9 % (70 of 73)84.9 % (62 of 73)

1. entity 1

ADQLTEEQIA EFKEAFSLFD KDGDGTITTK ELGTVMRSLG QNPTEAELQD MIIEVDADGN GTIDFPEFLT MMARKMKDTD SEEEIREAFR VFDKDGNGYI SAAELRHVMT NLGEKLTDEE VDEMIREADI DGDGQVNYEE FVQMMTAK

Sample #1

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 298.1 K, pH 6.3, Details 1.9 mM [U-99% 13C; U-99% 15N] Calmodulin N53I, 20 mM HEPES, 100 mM potassium chloride, 1 mM EDTA, 2 mM sodium azide, 0.05 mM TSP, 95% H2O/5% D2O


#NameIsotope labelingTypeConcentration
1Calmodulin N53I[U-99% 13C; U-99% 15N]1.9 mM
2HEPESnatural abundance20 mM
3potassium chloridenatural abundance100 mM
4EDTAnatural abundance1 mM
5sodium azidenatural abundance2 mM
6TSPnatural abundance0.05 mM
Sample #2

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 298.1 K, pH 6.3, Details 1.2 mM [U-99% 15N] Calmodulin N53I, 2 mM HEPES, 10 mM potassium chloride, 10 mM EDTA, 2 mM sodium azide, 0.05 mM TSP, 95% H2O/5% D2O


#NameIsotope labelingTypeConcentration
7Calmodulin N53I[U-99% 15N]1.2 mM
8HEPESnatural abundance2 mM
9potassium chloridenatural abundance10 mM
10EDTAnatural abundance10 mM
11sodium azidenatural abundance2 mM
12TSPnatural abundance0.05 mM
Sample #3

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 298.1 K, pH 6.3, Details 1.2 mM [U-99% 13C; U-99% 15N] Calmodulin, 2 mM HEPES, 10 mM potassium chloride, 10 mM EDTA, 2 mM sodium azide, 0.05 mM TSP, 95% H2O/5% D2O


#NameIsotope labelingTypeConcentration
13Calmodulin[U-99% 13C; U-99% 15N]1.2 mM
14HEPESnatural abundance2 mM
15potassium chloridenatural abundance10 mM
16EDTAnatural abundance10 mM
17sodium azidenatural abundance2 mM
18TSPnatural abundance0.05 mM

Protein Blocks Logo
Calculated from 20 models in PDB: 6Y95, Strand ID: A Detail


Heteronucl. T1
139 T1 values in 1 lists
Coherence Sz, Field strength (1H) 600 MHz, Pressure 1 atm, Temperature 298.1 K, pH 6.56 (±0.05) Detail
Heteronucl. T2
139 T2 values in 1 lists
Coherence S(+,-), Field strength (1H) 600 MHz, Pressure 1 atm, Temperature 298.1 K, pH 6.56 (±0.05) Detail
Heteronucl. NOE
139 NOE values in 1 lists
Value type peak height, Field strength (1H) 600 MHz, Pressure 1 atm, Temperature 298.1 K, pH 6.56 (±0.05) Detail
Heteronucl. T1/T2
138 T1/T2 values in 1 lists
Field strength (1H) 600 MHz, Pressure 1 atm, Temperature 298.1 K, pH 6.56 (±0.05) Detail
Release date
2020-04-22
Citation
The arrhythmogenic N53I variant subtly changes the structure and dynamics in the calmodulin N-terminal domain, altering its interaction with the cardiac ryanodine receptor
Holt, C., Hamborg, L., Lau, K., Brohus, M., Sorensen, A.B., Larsen, K.T., Sommer, C., Petegem, F.V., Overgaard, M.T., Wimmer, R.
J. Biol. Chem. (2020), 295, 7620-7634, PubMed 32317284 , DOI 10.1074/jbc.RA120.013430 ,
Related entities 1. Calmodulin, : 1 : 4 : 110 : 184 entities Detail
Interaction partners 1. Calmodulin, : 1 interactors Detail
Experiments performed 19 experiments Detail
Chemical shift validation 3 contents Detail
Keywords CPVT, METAL BINDING PROTEIN, Mutant, metal-binding, signaling protein