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1H,15N and 13C assigned Chemical Shifts for a complex of calmodulin with a peptide of the olfactory CNGC channel
Authors
Orsale, M., Melino, S., Torre, V., Motta, A., Paci, M., Desideri, A., Cicero, D.
Assembly
Calmodulin-olfactory channel peptide complex
Entity
1. Calmodulin (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. olfactory channel peptide (polymer, Thiol state: not present), 26 monomers, 3261.751 Da Detail

QQRRGGFRRI ARLVGVLREW AYRNFR


3. CA (non-polymer), 40.078 × 4 Da
Total weight
20128.273 Da
Max. entity weight
16706.21 Da
Source organism
Xenopus laevis
Exptl. method
NMR
Refine. method
SIMULATED ANNEALING
Data set
assigned_chemical_shifts
Chem. Shift Complete1
Sequence coverage: 85.1 %, Completeness: 81.5 %, Completeness (bb): 84.3 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All81.5 % (1637 of 2008)81.1 % (851 of 1049)81.7 % (630 of 771)83.0 % (156 of 188)
Backbone84.3 % (877 of 1040)83.9 % (302 of 360)84.8 % (431 of 508)83.7 % (144 of 172)
Sidechain79.4 % (896 of 1128)79.7 % (549 of 689)79.2 % (335 of 423)75.0 % (12 of 16)
Aromatic59.3 % (83 of 140)64.3 % (45 of 70)55.1 % (38 of 69) 0.0 % (0 of 1)
Methyl84.9 % (141 of 166)85.5 % (71 of 83)84.3 % (70 of 83)

1. Calmodulin

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

2. olfactory channel peptide

QQRRGGFRRI ARLVGVLREW AYRNFR

Sample #1

Temperature 308 (±1) K, pH 6.7 (±0.1)


#NameIsotope labelingTypeConcentration
1Calmodulin[U-95% 13C; U-95% 15N]1.2 mM
2olfactory channel peptide1.2 mM
3KCl140 mM
4CaCl27 mM
Sample #2

Temperature 308 (±1) K, pH 6.7 (±0.1)


#NameIsotope labelingTypeConcentration
5Calmodulin[U-15N]0.4 mM
6olfactory channel peptide0.4 mM
7KCl140 mM
8CaCl27 mM

Chem. Shift Complete2
Sequence coverage: 42.0 %, Completeness: 52.9 %, Completeness (bb): 55.5 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All52.9 % (2124 of 4016)55.6 % (1166 of 2098)49.2 % (758 of 1542)53.2 % (200 of 376)
Backbone55.5 % (1155 of 2080)60.3 % (434 of 720)52.8 % (536 of 1016)53.8 % (185 of 344)
Sidechain50.6 % (1142 of 2256)53.1 % (732 of 1378)46.7 % (395 of 846)46.9 % (15 of 32)
Aromatic42.5 % (119 of 280)53.6 % (75 of 140)31.9 % (44 of 138) 0.0 % (0 of 2)
Methyl52.7 % (175 of 332)57.8 % (96 of 166)47.6 % (79 of 166)

1. Calmodulin

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

2. olfactory channel peptide

QQRRGGFRRI ARLVGVLREW AYRNFR

Sample #1

Temperature 308 (±1) K, pH 6.7 (±0.1)


#NameIsotope labelingTypeConcentration
1Calmodulin[U-95% 13C; U-95% 15N]1.2 mM
2olfactory channel peptide1.2 mM
3KCl140 mM
4CaCl27 mM
Sample #2

Temperature 308 (±1) K, pH 6.7 (±0.1)


#NameIsotope labelingTypeConcentration
5Calmodulin[U-15N]0.4 mM
6olfactory channel peptide0.4 mM
7KCl140 mM
8CaCl27 mM

Protein Blocks Logo
Calculated from 26 models in PDB: 1CFF, Strand ID: A Detail


Release date
2003-12-07
Citation 1
Two distinct calcium-calmodulin interactions with N-terminal regions of the olfactory and rod cyclic nucleotide-gated channels characterized by NMR spectroscopy
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NMR solution structure of a complex of calmodulin with a binding peptide of the Ca2+ pump
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NMRPipe: a multidimensional spectral processing system based on UNIX pipes
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Related entities 1. Calmodulin, : 11 : 88 entities Detail
Related entities 2. olfactory channel peptide, : 1 : 1 : 11 entities Detail
Interaction partners 2. olfactory channel peptide, : 1 interactors Detail
Experiments performed 13 experiments Detail
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