Table 1.

Size comparison of the different exons encoding HtH1 and OdH_G

Haliotis			Octopus
Exon	bp	aa	Exon	bp	aa
s1	32*		s1	36
s2	16		s2	28
s1–s2	48	15*	s1–s2	64	21
a1	350
a2	221
a3	255
a4	407
a1–a4	1233	411	a	1233	411
			b1	463
			b2	782
b	1245	415	b1–b2	1245	415
c	1242	414	c	1242	414
d	1239	413	d	1248	416
			e1	1019
			e2	241
e	1260	420	e1–e2	1260	420
f1	191		f1	659
f2	1060		f2	583
f1–f2	1251	417	f1–f2	1242	414
g1	219
g2	164
g3	826
g1–g3	1209	403	g	1220	407
h	1535	511	—	—	—

Exon size is given in bp and aa; the total numbers per FU also are shown. For sequence identities between the FUs in percent, see ref. 4. * indicates that the signal sequence is still incomplete.