PURIFICATION AND CHARACTERIZATION OF AN ENDONUCLEASE FROM XENOPUS-LAEVIS OVARIES WHICH ACCURATELY PROCESSES THE 3' TERMINUS OF HUMAN PRE-TRANSFER RNA(I)MET (3' PRE-TRANSFER RNASE) - CASTANO, JG; TOBIAN, JA; ZASLOFF, M; (Journal Of Biological Chemistry, 1985)