ID UBIQUITIN_ACTIVAT_2; PATTERN. AC PS00865; DT 01-OCT-1993 CREATED; 01-DEC-2004 DATA UPDATE; 29-MAY-2024 INFO UPDATE. DE Ubiquitin-activating enzyme active site. PA P-[LIVMG]-C-T-[LIVM]-[KRHA]-x-[FTNM]-P. CC /SITE=3,active_site; CC /VERSION=1; PR PRU10132; DO PDOC00463; //