PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8589075-3 1995 The enzyme becomes active after assembly on a membrane bound flavocytochrome b of cytosolic factors p47 phox, p67 phox and p40 phox and of low molecular mass GTP binding proteins. Guanosine Triphosphate 158-161 CD33 molecule Homo sapiens 110-113