H. B. Chen

Cysteine residues 110 and 187 are essential for the formation of correct structure in bovine rhodopsin.

H. Khorana, T. Sakmar, S. Karnik, 1988, Proceedings of the National Academy of Sciences of the United States of America.

Studies on light transduction by bacteriorhodopsin and rhodopsin.

H. Khorana, R. Graham, M. Gilles-Gonzalez, 1988, Cold Spring Harbor symposia on quantitative biology.