TABLE 1.

Peptide sequences from NK1 receptor identified by mass spectrometry

	Peptide sequence	Total Number of Spectra	Found in # Samples	Modifications
1	(R)LETTISTVVGAHEEEPEDGPK(A)	2	2
2	(R)YLQTQGSVYKVSR(L)	1	1
3	(K)ATPSSLDLTSNcSSR(S)	2	2	Carbamidomethyl
4	(R)YMAIIHPLQPR(L)	1	1
5	(R)YLQTQGSVYK(V)	1	1