Table I. Number of methylated proteins and lysine residues as identified by mass spectrometry.

	Parent	ΔaKMT	Both strains	Parent onlya	ΔaKMT onlyb
Total identified proteins	1751	1757	1643	107	123
Methylated proteins	1158	591	497	661	94
Total identified lysine residues	17,784	16,941	14,347	3437	2594
Monomethylated residues	3013	274	113	2900	161
Dimethylated residues	746	566	210	536	356
Trimethylated residues	541	351	155	386	196

^a Proteins and lysine residues were methylated in the parental strain and not in ΔaKMT.

^b Proteins and lysine residues were methylated in ΔaKMT and not in the parental strain.