chr	group_id	NB_Genes	location	strand	ENS_ID	Name	Description
1	95	2	226073982	-1	ENSG00000243709	LEFTY1	left-right determination factor 1 [Source:HGNC Symbol;Acc:6552]
1	95	2	226124298	-1	ENSG00000143768	LEFTY2	left-right determination factor 2 [Source:HGNC Symbol;Acc:3122]