Evidence for tryptophan in the active sites of antibodies to polynitrobenzenes.

Amino Acids Animals Antibodies/analysis Antibodies, Anti-Idiotypic Binding Sites/analysis Goats Guinea Pigs Haptens/analysis Horses Immunoelectrophoresis Nitrobenzenes Protein Binding Rabbits Spectrophotometry Tryptophan/analysis

Amino Acids Antibodies Antibodies, Anti-Idiotypic Haptens Nitrobenzenes Tryptophan