PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
24139804-0	2013	A purine nucleotide biosynthesis enzyme guanosine monophosphate reductase is a suppressor of melanoma invasion.	Purine Nucleotides	2-19	guanosine monophosphate reductase	Homo sapiens	40-73	
24139804-2	2013	Here, we report that expression of guanosine monophosphate reductase (GMPR), an enzyme involved in de novo biosynthesis of purine nucleotides, was downregulated in the invasive stages of human melanoma.	Purine Nucleotides	123-141	guanosine monophosphate reductase	Homo sapiens	35-68	
24139804-2	2013	Here, we report that expression of guanosine monophosphate reductase (GMPR), an enzyme involved in de novo biosynthesis of purine nucleotides, was downregulated in the invasive stages of human melanoma.	Purine Nucleotides	123-141	guanosine monophosphate reductase	Homo sapiens	70-74	
26731263-2	2016	Guanosine 5"-monophosphate reductase (GMPR), which catalyzes the deamination of guanosine 5"-monophosphate (GMP) to inosine 5"-monophosphate (IMP), plays an important role in the interconversion of purine nucleotides to maintain the intracellular balance of their concentration.	Purine Nucleotides	198-216	guanosine monophosphate reductase	Homo sapiens	38-42