Table 2. Amino acid composition of N66 from mantle of P. mazatlanica.

Amino acid residue	Residues	Mol%
Ala	10	1.7%
Arg	35	6.1%
Asn	113	9.6%
Asp	35	6.1%
Cys	14	2.4%
Gln	9	1.6%
Glu	30	5.2%
Gly	91	5.8%
His	29	5.0%
Ile	6	2.8%
Leu	28	4.9%
Lys	30	5.2%
Met	8	1.4%
Phe	13	2.3%
Pro	17	3.0%
Ser	28	4.9%
Thr	16	2.8%
Trp	7	1.2%
Tyr	23	4.0%
Val	24	4.2%
Mr	63.68
pI	7.38