% 'D-cysteine' config('D-cysteine',[ substituent(aminoacid_D_backbone), substituent(methandiylsulfhydryl), linkage(from(aminoacid_D_backbone,car(1)), to(methandiylsulfhydryl,car(1)), up,single)]). %%%% Substituent Config Rules for compound 'D-cysteine' %%%% config(aminoacid_D_backbone,[ center(car(1)), left(amino), right(hyd), bottom(carboxyl)]). config(methandiylsulfhydryl,[ top(methandiyl(1,empty)), bottom(sul(1,hyd))]).