PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
7225331-1	1981	Mg2+ and guanosine 5"-triphosphate (GTP) are usually used to assemble microtubule protein (tubulin + microtubule-associated proteins) or tubulin into microtubules in vitro.	Guanosine Triphosphate	9-34	microsomal triglyceride transfer protein	Bos taurus	70-89	
7225331-1	1981	Mg2+ and guanosine 5"-triphosphate (GTP) are usually used to assemble microtubule protein (tubulin + microtubule-associated proteins) or tubulin into microtubules in vitro.	Guanosine Triphosphate	36-39	microsomal triglyceride transfer protein	Bos taurus	70-89	
7225331-3	1981	We find that Mn2+ also substitute for Mg2+ in inducing two-cycle calf microtubule protein (MTP) + GTP to assemble into microtubules.	Guanosine Triphosphate	98-101	microsomal triglyceride transfer protein	Bos taurus	70-89	
7225331-3	1981	We find that Mn2+ also substitute for Mg2+ in inducing two-cycle calf microtubule protein (MTP) + GTP to assemble into microtubules.	Guanosine Triphosphate	98-101	microsomal triglyceride transfer protein	Bos taurus	91-94