PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
12857978-3	2003	We have shown tht pre-BCR complex components Igalpha and Igbeta are critical to allowing the pre-B cell to move through this transition, but may not be required for allelic exclusion.	tetrahydrothiophene	14-17	CD79b molecule	Homo sapiens	57-63