ID OPIOIDS_PRECURSOR; PATTERN. AC PS01252; DT 01-NOV-1997 CREATED; 01-JUL-1999 DATA UPDATE; 29-MAY-2024 INFO UPDATE. DE Endogenous opioids neuropeptides precursors signature. PA C-x(3)-C-x(2)-C-x(2)-[KRH]-x(6,7)-[LIF]-[DNS]-x(3)-C-x-[LIVM]-[EQ]-C- PA [EQ]-x(8)-W-x(2)-C. CC /SITE=1,disulfide(?); /SITE=3,disulfide(?); /SITE=5,disulfide(?); CC /SITE=12,disulfide(?); /SITE=16,disulfide(?); /SITE=21,disulfide(?); CC /VERSION=1; DO PDOC00964; //