chr	group_id	NB_Genes	location	strand	ENS_ID	Name	Description
17	777	2	56232494	1	ENSG00000141194	OR4D1	olfactory receptor, family 4, subfamily D, member 1 [Source:HGNC Symbol;Acc:8293]
17	777	2	56247017	1	ENSG00000255713	OR4D2	olfactory receptor, family 4, subfamily D, member 2 [Source:HGNC Symbol;Acc:8294]