Used to measure intracellular free magnesium concentration.

From skin of Xenopus laevis; 23-amino acid peptide; differs from magainin 2 by substitution of Gly instead of Lys at position 10 & Lys instead of Asn at position 22; also used to prevent development of malarial oocysts in mosquito vector.

From skin of Xenopus laevis; differs from magainin 1 by substitution of Lys instead of Gly at position 10 & Asn instead of Lys at position 22; also used to prevent development of malarial oocysts in mosquito vector; Z-12 is magainin 2 with Lys and Phe residues replaced with their respective D-isomers; homologue of the Xenopus laevis cement; GenBank AF004262 (mouse), AF007791, AF038451-2 (human).