chr	group_id	NB_Genes	location	strand	ENS_ID	Name	Description
13	606	2	110801318	-1	ENSG00000187498	COL4A1	collagen, type IV, alpha 1 [Source:HGNC Symbol;Acc:2202]
13	606	2	110958159	1	ENSG00000134871	COL4A2	collagen, type IV, alpha 2 [Source:HGNC Symbol;Acc:2203]