Table 3

Molecular biology of human NOS isoforms^3-a

Gene	eNOS	nNOS	iNOS
Location	7q35–7q36	12q24.2	17cen–17q11.2
Structure	26 exons	29 exons	27 exons
Size	21 kb	160 kb	37 kb
Peptide	1203 aa	1434 aa	1153 aa
(deduced)	133 kDa	160 kDa	131 kDa