amino acid sequence given in first source; pNiXa is a Ni(2+)-binding serpin isolated from Xenopus laevis, it is also a potent inducer of oocyte maturation; The 40 kDa 63Ni(2+)-binding protein (pNiXc) is the monomer of fructose-1,6-bisphosphate aldolase A
Source
Res Commun Chem Pathol Pharmacol 1992 Jul;77(1):3-16
