Helical segment analysis of α-helical regions in proteins

Rajan, S. S. ; Srinivasan, R. (1977) Helical segment analysis of α-helical regions in proteins Biopolymers, 16 (8). pp. 1617-1634. ISSN 0006-3525

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/bip.197...

Related URL: http://dx.doi.org/10.1002/bip.1977.360160803


The methods suggested earlier for the analysis and representation of protein structural data are now extended to the helical regions in finer details. These enable better handling of characterization of bends and distortions, for which statistical parameters are also developed. Using latest myoglobin data, best experimental parameters for the α-helix are deduced to be rN=1.55(0.13)Å, rCα=2.28(0.12 Å, rC'=1.70(0.10)Å, r0=2.02(0.12)Å, Φ=100.5(2.3)°, and t=1.495(0.055)Å.

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