Table 6.

Amino Acid Identities With Chicken IGF1

Species	Signal Peptide (48 AA)	Mature IGF1 (70 AA)	Common E (16 AA)	EA Peptide (19 AA)
Turkey	98a	100	100	100
Duck	98	100	100	100
Zebra finch	96	100	100	100
Flycatcher	96	100	100	95
Turtle	92	99	100	100
Anole lizard	77b	81	100	74c
Frog	77	93	100	79
Coelacanth	56d	80e	100	95

Abbreviation: AA, amino acid.

^aAlternative is 28 AA.

^b49 AA.

^cE_A domain is longer than the chicken’s (see Fig. 6).

^d50 AA.

^e72 AA.