polycysteine,cysteine
Cysteine
649555-33-9L-Cysteine,L-seryl-L-histidyl-L-isoleucyl-L-threonyl-L-seryl-L-tyrosyl-L-histidyl-L-prolyl-L-alanyl-L-tyrosyl-L-phenylalanyl-L-tryptophyl-
850412-52-1L-Cysteine,L-histidyl-L-alanyl-L-a-glutamylglycyl-L-threonyl-L-phenylalanyl-L-threonyl-L-seryl-L-a-aspartyl-L-phenylalanyl-L-prolyl-L-arginyl-L-arginylglycyl-L-arginyl-L-histidyl-