chr	group_id	NB_Genes	location	strand	ENS_ID	Name	Description
20	902	2	23431040	-1	ENSG00000125831	CST11	cystatin 11 [Source:HGNC Symbol;Acc:15959]
20	902	2	23471738	1	ENSG00000125815	CST8	cystatin 8 (cystatin-related epididymal specific) [Source:HGNC Symbol;Acc:2480]