Figure 6: Two significantly up-regulated peptides in MHCC97-H. Extracted ion chromatogram of K9 (me3)STGGK(ac0)APR17 (left) and K27(me2)SAPATGGVK(me0) KPHR40 (right) from MHCC97-H & HepG2, and MS/MS fragment spectrum K9 (me3)STGGK(ac0)APR17 (left) and K27(me2)SAPATGGVK(me0)KPHR40 (right) for further validation.