Dear All I have one query, i have solved one structure where in which near cys residues i can see density for beta mercaptoethanol (which i have used in my crystallization cocktail ). i have one query when i am taking BME from coot library, i can fit it in density but i do not know how to make disulphide bond ie to connect cysteine with bme.
-- Regards Faisal School of Life Sciences JNU
