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Solution structure of Ca2+/calmodulin complexed with a peptide representing the calmodulin-binding domain of calmodulin kinase I
Authors
Gifford, J.L., Ishida, H., Vogel, H.J.
Assembly
calcium-calmodulin complexes
Entity
1. calcium-calmodulin complexes, 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. calcium-calmodulin complexes, entity 2 (polymer, Thiol state: not present), 22 monomers, 2599.064 Da Detail

AKSKWKQAFN ATAVVRHMRK LQ


3. CA (non-polymer), 40.078 × 4 Da
Total weight
19465.588 Da
Max. entity weight
16706.21 Da
Source organism
Escherichia coli
Exptl. method
solution NMR
Refine. method
torsion angle dynamics, simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 20.6 %, Completeness: 9.9 %, Completeness (bb): 7.9 % Detail

Polymer type: polypeptide(L)

Total1H13C
All 9.9 % (175 of 1767)15.6 % (159 of 1016) 2.1 % (16 of 751)
Backbone 7.9 % (67 of 848)17.5 % (61 of 349) 1.2 % (6 of 499)
Sidechain10.1 % (109 of 1078)14.7 % (98 of 667) 2.7 % (11 of 411)
Aromatic 8.8 % (11 of 125)17.5 % (11 of 63) 0.0 % (0 of 62)
Methyl 8.5 % (14 of 164)15.9 % (13 of 82) 1.2 % (1 of 82)

1. entity 1

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

2. entity 2

AKSKWKQAFN ATAVVRHMRK LQ

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 303 K, pH 6.8, Details Sample for backbone and side chain assignment of CaM in the complex


#NameIsotope labelingTypeConcentration
1entity_1[U-13C; U-15N]0.95 mM
2entity_2natural abundance1.05 mM
3CALCIUM IONnatural abundance4 mM
4DSSnatural abundance0.5 mM
5potassium chloridenatural abundance100 mM
6Bis-Trisnatural abundance20 mM
7sodium azidenatural abundance0.03 %
Sample #2

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 303 K, pH 6.8, Details Sample for collecting intrapeptide NOEs to determine the structure of the bound CaMKI


#NameIsotope labelingTypeConcentration
8entity_1[U-2H; U-15N]0.66 mM
9entity_2natural abundance0.40 mM
10Bis-Trisnatural abundance20 mM
11potassium chloridenatural abundance100 mM
12CALCIUM IONnatural abundance4 mM
13sodium azidenatural abundance0.03 %
14DSSnatural abundance0.5 mM
Sample #3

Solvent system 100% D2O, Pressure 1 atm, Temperature 303 K, pH 6.8, Details Methionine methyl-labeled CaM sample for the collection of intermolecular NOEs between CaM and the bound peptide


#NameIsotope labelingTypeConcentration
15entity_1[1H/13C-methyl Met; U-2H; U-15N]0.64 mM
16entity_2natural abundance0.83 mM
17Bis-Trisnatural abundance20 mM
18potassium chloridenatural abundance100 mM
19CALCIUM IONnatural abundance4 mM
20sodium azidenatural abundance0.03 %
21DSSnatural abundance0.5 mM
Sample #4

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 303 K, pH 6.8, Details Isotropic U-13;U-15 sample for collection of CaM RDCs


#NameIsotope labelingTypeConcentration
22entity_1[U-13C; U-15N]0.95 mM
23entity_2natural abundance1.05 mM
24Bis-Trisnatural abundance20 mM
25potassium chloridenatural abundance300 mM
26CALCIUM IONnatural abundance4 mM
27sodium azidenatural abundance0.03 %
28DSSnatural abundance0.5 mM
Sample #5

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 303 K, pH 6.8, Details Anisotropic U13;U15 sample for the collection of CaM RDCs


#NameIsotope labelingTypeConcentration
29entity_1[U-13C; U-15N]0.95 mM
30entity_2natural abundance1.05 mM
31Bis-Trisnatural abundance20 mM
32potassium chloridenatural abundance300 mM
33CALCIUM IONnatural abundance4 mM
34sodium azidenatural abundance0.03 %
35DSSnatural abundance0.5 mM
36Pf1 phagenatural abundance16 w/v

Protein Blocks Logo
Calculated from 1 models in PDB: 2L7L, Strand ID: A, B Detail


Release date
2011-03-06
Citation
Fast methionine-based solution structure determination of calcium-calmodulin complexes
Gifford, J.L., Ishida, H., Vogel, H.J.
J. Biomol. NMR (2011), 50, 71-81, PubMed 21360154 , DOI 10.1007/s10858-011-9495-3 ,
Related entities 1. calcium-calmodulin complexes, entity 1, : 11 : 88 entities Detail
Related entities 2. calcium-calmodulin complexes, entity 2, : 1 : 9 : 7 : 1 : 24 entities Detail
Interaction partners 2. calcium-calmodulin complexes, entity 2, : 5 interactors Detail
Experiments performed 16 experiments Detail
NMR combined restraints 8 contents Detail
Keywords Ca2+/Calmodulin, Calmodulin complex, Calmodulin kinase 1, Calmodulin kinase 1 peptide, solution structure