PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
33330464-6	2020	NAD+ is mainly synthesized from salvage pathway mediated by two enzymes, Nampt and Nmnat.	NAD	0-4	nicotinamide nucleotide adenylyltransferase 1	Homo sapiens	83-88