PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
12017314-1	2002	Thymidylate synthase (EC 2.1.1.45) and thymidine kinase (EC 2.71.21) are key enzymes involved in de novo and salvage pathways for pyrimidine nucleotide synthesis.	Pyrimidine Nucleotides	130-151	thymidylate synthetase	Homo sapiens	0-20