Fig. 4.

Characterization of N-terminal peptides from cryopreserved and FFPE liver tissues of C57BL/6 wild-type mouse. Visualization of sequence specificity of the (A) N-α acetylated and (B) N-terminally dimethylated peptides consistently identified in all biological replicates of either cryopreserved or FFPE tissues, respectively (n = 3). Sequence logos were generated using iceLogo (60). Gene Ontology database analysis of (C) cellular component and (D) molecular function of N-terminal peptides consistently identified in all biological replicates either cryopreserved or FFPE tissues, respectively (n = 3).