Retrieve genes from a given family, of specific genomes
Input family: MF_00395	Cytb6_f_PetN
Find members of taxid 1219 in this family

GeneID	Species
A9601_08011	petN	prochlorococcus_marinus_str_as9601
PMT9312_0748	-	prochlorococcus_marinus_str_mit_9312
P9301_08001	petN	prochlorococcus_marinus_str_mit_9301
PMT_0673	petN	prochlorococcus_marinus_str_mit_9313
P9211_08411	petN	prochlorococcus_marinus_str_mit_9211
PMM0740	petN	prochlorococcus_marinus_subsp_pastoris_str_ccmp1986
NATL1_09621	petN	prochlorococcus_marinus_str_natl1a
Pro_0918	petN	prochlorococcus_marinus_subsp_marinus_str_ccmp1375
PMN2A_0290	-	prochlorococcus_marinus_str_natl2a
P9202_1289	-	prochlorococcus_marinus_str_mit_9202
P9303_15511	petN	prochlorococcus_marinus_str_mit_9303