. . . . "MASS SPECTROMETRY" . "CLEAVAGE OF INITIATOR METHIONINE" . "ACETYLATION AT MET-1 AND THR-2" . "PROTEIN SEQUENCE OF 1-28; 40-73; 75-121; 139-152; 158-179; 187-206; 211-250; 257-274; 277-313; 319-354; 359-399; 409-426 AND 446-459" . . . .