. 2018 Apr 24;159(6):2288–2305. doi: 10.1210/en.2018-00259

Table 7.

Amino Acid Identities With Tetraodon IGF1

Species	Signal Peptide  (44 AA)	Mature IGF1  (67 AA)	Common E  (16 AA)	E_A Peptide  (19 AA)	E_B Peptide  (55 AA)
Fugu	98	95	100	None	85
Stickleback	89^a	90	13	None	80^b
Medaka	75	87^c	13^d	None	67^b
Cod	73	82^c	13	None	76^b
Cave fish^e	59	81^c	13	None	51^b
Tilapia	95	85^c	13	None	75^b
Amazon molly	91	84^c	13	None	78^b
Platyfish	91	69^c	13	None	78^b
Zebrafish	55	81^c	13	None	77^b
Spotted gar	14^a	79^c	13	none	42^b
Lamprey	14^a	57^c	13^d	None	None

Abbreviation: AA, amino acid.

^{^a}

Signal peptide is different length (see Fig. 5).

^{^b}

E_B domain is different length (see Fig. 6)

^{^c}

Mature IGF1 is longer (see Fig. 4).

^{^d}

E_A domain is different length (see Fig. 6).

^{^e}

Two different signal peptides and E_B domains.