11,26-Cysteinyl-27-phenylalanyl-31-glycine-beta-endorphin 96407-33-9 CCPGE Cys(11,26)-phe(27),gly(31)-beta-endorphin beta-Endorphin (sheep), 11-L-cysteine-26-L-cysteine-27-L-phenylalanine-31-glycine- beta-Endorphin, 11,26-cysteinyl-27-phenylalanyl-31-glycine- beta-Endorphin, cys(11,26),phe(27), gly(31)-