Hubbell Wayne L, Altenbach Christian, Hubbell Cheryl M, Khorana H Gobind
Jules Stein Eye Institute, Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, USA.
Adv Protein Chem. 2003;63:243-90. doi: 10.1016/s0065-3233(03)63010-x.