PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
24338968-8	2014	Using our optimized method, stable carbon isotope ratios can be reliably measured in samples with concentrations of PAHs down to 0.05-0.1 ng muL(-1).	Carbon	35-41	mitochondrial E3 ubiquitin protein ligase 1	Homo sapiens	141-147	
31929179-2	2020	The C-terminal region of MUL1 faces the cytoplasm and contains the RING domain (MUL1-RING) where the Ub~E2 thioester binds.	Carbon	4-5	mitochondrial E3 ubiquitin protein ligase 1	Homo sapiens	25-29	
31929179-2	2020	The C-terminal region of MUL1 faces the cytoplasm and contains the RING domain (MUL1-RING) where the Ub~E2 thioester binds.	Carbon	4-5	mitochondrial E3 ubiquitin protein ligase 1	Homo sapiens	80-84