. Author manuscript; available in PMC: 2008 Sep 16.

Published in final edited form as: J Proteome Res. 2007 Jan;6(1):337–347. doi: 10.1021/pr060306q

Table 2.

Observed peptides that confirm proposed post-translational modifications

	Sequence	Residues	Mass
N-terminal acetylation
S9	*TDAQGFDALASLSSNPEAAAPEPK	2–26	2499.9
S18	*TDTTAPEAGAPAAAAGGAR	2–20	1697.9
Methylation of K
L7/L12	GVRPDLGLK*EAK	80–91	1297.5	+3 ion, m/z = 433.6
L7/L12	GVRPDLGLK*	80–88	969.2	+2 ion, m/z = 485.3
N-terminal methylation
L16	*MLSPK	1–5	589.8	+1 ion, X_corr = 1.47
Addition of 42 to K
L11	TENVEKGTPLPTVITVYQDKSFTFITK	46–72	3142.6	+3 ion, m/z 1048.7