chr	group_id	NB_Genes	location	strand	ENS_ID	Name	Description
16	727	2	75237994	-1	ENSG00000168928	CTRB2	chymotrypsinogen B2 [Source:HGNC Symbol;Acc:2522]
16	727	2	75252898	1	ENSG00000168925	CTRB1	chymotrypsinogen B1 [Source:HGNC Symbol;Acc:2521]