ID OPSIN; PATTERN. AC PS00238; DT 01-APR-1990 CREATED; 01-DEC-2004 DATA UPDATE; 29-MAY-2024 INFO UPDATE. DE Visual pigments (opsins) retinal binding site. PA [LIVMFWAC]-[PSGAC]-x-{G}-x-[SAC]-K-[STALIMR]-[GSACPNV]-[STACP]-x(2)- PA [DENF]-[AP]-x(2)-[IY]. CC /SITE=7,retinal; CC /VERSION=1; DO PDOC00211; //