. Author manuscript; available in PMC: 2010 Aug 10.

Published in final edited form as: Chromatographia. 2010 Jan 1;71(1-2):37–53. doi: 10.1365/s10337-009-1409-0

Table 3.

CapLC–LTQ–FT–MS–MS analysis of ABS-tagged tryptic peptides from rabbit muscle phosphorylase b nitrated in vitro at a level of 1 mol 3-NT/mol protein

Sequence	XCorr	ΔCn	Nature of PBO (type)	Mass shift on Y	m/z	z	Δ (ppm)	Start-stop
HLQIIYEINQR	3.19	0.93	A₂ (I)	+366	598.26	+3	5.2	400–410
ARPEFTLPVHFYGR	1.62	0.00	A₂ (I)	+366	1028.47	+2	17	193–206
LLSYVDDEAFIR	1.86	0.80	A₂ (I)	+366	903.38	+2	13	522–533
DFNVGGYIQAVLDR	1.27	0.00	ANC (III)	+179	873.39	+2	35	257–270