Note - Blast analyses are based on comparisons of the phosphosites and the bordering four amino acids on each side of these phosphosites.

Phosphosite
Human Protein:	PHOX2B
Human P-Site:	T50
P-Site Sequence:	QYNPIRTTFGATSGC
UniProt:	Q99453
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PHOX2B	Q99453	T50	QYNPIRTTFGATSGC	100 / 9 AA	32
Phosphosite 1:	PRR18	Q8N4B5	T106	GHSPARTTYAATSAG	66 / 9 AA	31
Phosphosite 2:	TTN	Q8WZ42	T22144	ATTVIRTTYKATRLT	75 / 8 AA	3816
Phosphosite 3:	TTN	Q8WZ42	Y22145	TTVIRTTYKATRLTT	75 / 8 AA	3816
Phosphosite 4:	GUCY1A2	P33402	T212	ALLEHIRTSFGKQAT	71 / 7 AA	82
Phosphosite 5:	GUCY1A2	P33402	S213	LLEHIRTSFGKQATL	71 / 7 AA	82
Phosphosite 6:	ZNF638	Q14966	S383	QADIPIRSPFGIVKA	71 / 7 AA	221
Phosphosite 7:	POM121	A8CG34	T1008	VPTPIQPTFGGATHS	55 / 9 AA	125
Phosphosite 8:	POM121B	A6NF01	T613	VPTPIQPTFGGATHS	55 / 9 AA	83
Phosphosite 9:	DYNLRB2	Q8TF09	T33	EGIPIRTTLDNSTTV	71 / 7 AA	11
Phosphosite 10:	MYO7B	Q6PIF6	Y695	KSGFPIRYTFEEFSQ	62 / 8 AA	242
Phosphosite 11:	MYO7B	Q6PIF6	T696	SGFPIRYTFEEFSQR	62 / 8 AA	242
Phosphosite 12:	Fez1	Q99689	T331	LQSGIRQTFGSSGTD	62 / 8 AA	45
Phosphosite 13:	KIAA1731	Q9C0D2	T754	DARKISETFGATTFQ	75 / 8 AA	295
Phosphosite 14:	CNDP1	Q96KN2	T436	AAKRAIRTVFGTEPD	71 / 7 AA	57
Phosphosite 15:	AIM1L	Q8N1P7	T212	TSLRVIRTDFGDPAV	71 / 7 AA	69
Phosphosite 16:	DLEC1	Q9Y238	T1126	TNRSPIRTRFSLKFE	71 / 7 AA	196
Phosphosite 17:	C9orf98	Q96MA6	T311	KEAVADRTTFGELIQ	83 / 6 AA	55
Phosphosite 18:	OMG	P23515	T313	QYRTKETTFGATLSK	100 / 6 AA	50
Phosphosite 19:	C9orf98	Q96MA6	T312	EAVADRTTFGELIQP	83 / 6 AA	55
Phosphosite 20:	PRR18	Q8N4B5	Y107	HSPARTTYAATSAGT	71 / 7 AA	31