Structural basis of amino acid alpha helix propensity.
Blaber, M., Zhang, X.J., Matthews, B.W.(1993) Science 260: 1637-1640
- PubMed: 8503008 
- DOI: 10.1126/science.8503008
- Primary Citation of Related Structures:  
107L, 108L, 109L, 110L, 111L, 112L, 113L, 114L, 115L, 137L, 216L, 217L - PubMed Abstract: 
The propensity of an amino acid to form an alpha helix in a protein was determined by multiple amino substitutions at positions 44 and 131 in T4 lysozyme. These positions are solvent-exposed sites within the alpha helices that comprise, respectively, residues 39 to 50 and 126 to 134 ...