Table 3.

List of Peptides Obtained for Wild-Type and A39P FoxP1 as Quantified by ESI-TOF Mass Spectrometry

No. of Peptides	Peptide Mass (m/z)	No. of Amides	Sequence	Region of FoxP1
1	1150.625	7	VRPPFTYASL	3–12
2	1379.006	13	IRQAILESPEKQLTL	13–27
3	1982.091	15	IRQAILESPEKQLTLNE	13–29
4	1341.762	10	AILESPEKQLTL	16–27
5	1044.557	7	LESPEKQLT	18–26
6	1287.642	9	ESPEKQLTLNE	19–29
7a	2535.348	20(19)	FA(P)YFRRNAATWKNAVRHNLSL	38–58
8	2007.11	16	RRNAATWKNAVRHNLSL	42–58
9	1337.743	10	WKNAVRHNLSL	48–58
10	1256.711	10	VRVENVKGAVW	63–73
11	1700.896	14	VRVENVKGAVWTVDE	63–77
12	1315.759	8	VEFQKRRPQK	79–87
13	1216.69	7	EFQKRRPQK	80–87

^aThe Ala to Pro mutation in this peptide changes the number of available amides.