CaBP Data Library Structural Information

Range of Entries in Apo vs. Ca2+-Loaded DDMs of Calmodulin and Troponin C
helical interface


I/II
 I/III
 I/IV
 II/III
 II/IV
 III/IV
CaM-N
 most negative entry
(angstroms)
 -12.28
 -5.96
 -1.38
 -2.66
 -8.09
 -8.01
most positive entry
(angstroms)
 2.82
 5.25
 3.79
 4.51
 -1.12
 2.57
number of significant entries
 101
 100
 49
 29
 110
 82
CaM-C
 most negative entry
(angstroms)
 -9.69
 -9.59
 -4.55
 -3.23
 -8.54
 -9.28
most positive entry
(angstroms)
 1.37
 5.21
 4.04
 5.62
 *
 3.91
number of significant entries
 101
 94
 63
 66
 105
 98
TnC-N
 most negative entry
(angstroms)
 -12.75
 -6.10
 *
 -2.92
 -12.88
 -10.78
most positive entry
(angstroms)
 3.15
 4.36
 2.49
 5.28
 -1.29
 2.77
number of significant entries
 108
 79
 38
 59
 110
 79

This information is supplementary table S1 in:
Nelson, M.R. and W.J. Chazin. An interaction-based analysis of calcium-induced conformational changes in Ca2+ sensor proteins (1998) Protein Sci. 7, 270-282.

* = DDM entry between -1.0 and 1.0 angstroms. Entries in this range are not significantly different from 0.
DDMs were calculated with the DISCOM program.
PDB files used: apo CaM-N, 1CFC; calcium-loaded CaM-N, 1CLL; apo TnC-N, 1TOP; calcium-loaded TnC-N, 1TNW.

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