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Ternary complex of Calmodulin bound to 2 molecules of NHE1
Authors
Prestel, A., Kragelund, B.B., Pedersen, E.S., Pedersen, S.F., Sjoegaard-Frich, L.M.
Assembly
Calmodulin-1, Sodium/hydrogen exchanger 1
Entity
1. Calmodulin-1, Sodium/hydrogen exchanger 1, entity 1 (polymer, Thiol state: not present), 148 monomers, 16706.21 Da Detail

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


2. Calmodulin-1, Sodium/hydrogen exchanger 1, entity 2 (polymer, Thiol state: not present), 36 monomers, 4393.965 × 2 Da Detail

ALSKDKEEEI RKILRNNLQK TRQRLRSYNR HTLVAD


3. Calmodulin-1, Sodium/hydrogen exchanger 1, entity CA (non-polymer), 40.078 × 4 Da
Total weight
25654.453 Da
Max. entity weight
16706.21 Da
Source organism
Homo sapiens
Exptl. method
solution NMR
Data set
assigned_chemical_shifts, spectral_peak_list
Chem. Shift Complete
Sequence coverage: 99.5 %, Completeness: 90.4 %, Completeness (bb): 94.7 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All90.4 % (1929 of 2135)89.2 % (991 of 1111)92.6 % (753 of 813)87.7 % (185 of 211)
Backbone94.7 % (1042 of 1100)95.0 % (358 of 377)95.2 % (515 of 541)92.9 % (169 of 182)
Sidechain87.2 % (1053 of 1208)86.2 % (633 of 734)90.8 % (404 of 445)55.2 % (16 of 29)
Aromatic78.6 % (88 of 112)78.6 % (44 of 56)78.6 % (44 of 56)
Methyl98.9 % (180 of 182)98.9 % (90 of 91)98.9 % (90 of 91)

1. entity 1

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

2. entity 2

ALSKDKEEEI RKILRNNLQK TRQRLRSYNR HTLVAD

Sample #1

Solvent system 95% H2O/5% D2O, Pressure 1 (±0.01) atm, Temperature 310 (±0.2) K, pH 7.5 (±0.2), Details 0.5 mM [U-99% 13C; U-99% 15N] Calmodulin, 1.15 mM Sodium/Hydrogen exchanger 1 (NHE1, SLC9A1), 95% H2O/5% D2O


#NameIsotope labelingTypeConcentration
1Calmodulin[U-99% 13C; U-99% 15N]0.5 (±0.05) mM
2Sodium/Hydrogen exchanger 1 (NHE1, SLC9A1)natural abundance1.15 (±0.05) mM
Sample #2

Solvent system 95% H2O/5% D2O, Pressure 1 (±0.01) atm, Temperature 310 (±0.2) K, pH 7.5 (±0.2), Details 1 mM [U-99% 13C; U-99% 15N] Sodium/Hydrogen exchanger 1 (NHE1, SLC9A1), 0.5 mM Calmodulin, 95% H2O/5% D2O


#NameIsotope labelingTypeConcentration
3Calmodulinnatural abundance0.5 (±0.05) mM
4Sodium/Hydrogen exchanger 1 (NHE1, SLC9A1)[U-99% 13C; U-99% 15N]1 (±0.05) mM

Release date
2020-08-31
Citation
Dynamic Na+/H+ exchanger 1 (NHE1) - calmodulin complexes of varying stoichiometry and structure regulate Ca2+-dependent NHE1 activation
Sjoegaard-Frich, L.M., Prestel, A., Pedersen, E.S., Severin, M., Olsen, J.G., Kragelund, B.B., Pedersen, S.F.
Elife (2021), 10, e60889-e60889, PubMed 33655882 , DOI 10.7554/eLife.60889 ,
Related entities 1. Calmodulin-1, Sodium/hydrogen exchanger 1, entity 1, : 11 : 88 entities Detail
Related entities 2. Calmodulin-1, Sodium/hydrogen exchanger 1, entity 2, : 1 : 6 : 5 : 20 entities Detail
Interaction partners 2. Calmodulin-1, Sodium/hydrogen exchanger 1, entity 2, : 14 interactors Detail
Experiments performed 25 experiments Detail
Chemical shift validation 5 contents Detail
Keywords Calmodulin, Complex, METAL BINDING PROTEIN, NHE1, Signaling