1983 年 36 巻 9 号 p. 1118-1122
Antibiotic X-14885A is a novel divalent cation ionophore produced by a Streptomyces culture isolated from soil sample collected in Wyoming. Its cation binding sequence has been found to be: Mg2+>Ca2+, Sr2+>Ba2+>>>Li+, Na+, Rb+, K+, Cs+.