. . "MASS SPECTROMETRY" . "ACETYLATION [LARGE SCALE ANALYSIS] AT LYS-636; LYS-977; LYS-981; LYS-1103; LYS-1499; LYS-1542; LYS-1546; LYS-1549; LYS-1554; LYS-1555; LYS-1558; LYS-1560; LYS-1583; LYS-1590 AND LYS-1674" . . . .