Neuroblastoma RAS viral oncogene homolog has a cenCD2NGFBNRAStel order of nearby genes wherein its mammalian ras gene family consists of the harvey and kirsten ras genes (HRASandKRAS).
The order of nearby genes is as follows: cenCD2NGFBNRAStel. The mammalian ras gene family consists of the harvey and kirsten ras genes (HRAS and KRAS), an inactive pseudogene of each (c-Hras2 and c-Kras1) and the N-ras gene. 
