PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8278600-6 1993 GAD65 is largely present as an inactive apoenzyme, which can be induced by nerve activity, while most GAD67 is present as a pyridoxal phosphate-bound permanently active holoenzyme. Pyridoxal Phosphate 124-143 glutamate decarboxylase 1 Homo sapiens 102-107