. Author manuscript; available in PMC: 2010 Apr 13.

Published in final edited form as: J Proteomics. 2008 Nov 24;72(3):567–573. doi: 10.1016/j.jprot.2008.11.010

Table 3.

Number of plant entries containing some of the most frequent PTM sites.

PTM	Number of occurrence
Disulfide bonds	1985
Modified residues	1806
phosphorylations	653
acetylations	633
methylations	602
pyrrolidone carboxylic acid	147
Glycosylations	1319
Cross-links	290
Lipidation	268
GPI-anchor	109
geranylation	76
myristoylation	47
palmitoylation	19
farnesylation	13