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:	Y78
P-Site Sequence:	RDHQSSPYAAVPYKL
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	Y78	RDHQSSPYAAVPYKL	100 / 9 AA	32
Phosphosite 1:	PHOX2B	Q99453	S76	TLRDHQSSPYAAVPY	100 / 7 AA	32
Phosphosite 2:	RPS14	P62263	Y72	DRDESSPYAAMLAAQ	75 / 8 AA	16
Phosphosite 3:	PRRX2	Q99811	Y208	SWTASSPYSTVPPYS	75 / 8 AA	27
Phosphosite 4:	PRRX2	Q99811	S209	WTASSPYSTVPPYSP	75 / 8 AA	27
Phosphosite 5:	EBF1	Q9UH73	Y515	GSAANSPYAIVPSSP	75 / 8 AA	64
Phosphosite 6:	RPS14	P62263	S70	KADRDESSPYAAMLA	85 / 7 AA	16
Phosphosite 7:	MKRN1	Q9UHC7	Y216	TKKQLCPYAAVGECR	75 / 8 AA	53
Phosphosite 8:	MKRNP5	Q13434	Y251	TKKQLCPYAAVGQCR	75 / 8 AA	53
Phosphosite 9:	PHOX2B	Q99453	S75	GTLRDHQSSPYAAVP	100 / 6 AA	32
Phosphosite 10:	GLI3	P10071	Y251	LTGQRSPYADIIPSA	62 / 8 AA	170
Phosphosite 11:	MEGF11	A6BM72	Y975	PVHMGSPYTDVPSLS	55 / 9 AA	111
Phosphosite 12:	SPT5	O00267	S891	MYNTDQFSPYAAPSP	85 / 7 AA	121
Phosphosite 13:	Cacng4	Q9UBN1	Y230	KASSSSPYARMPSYR	75 / 8 AA	37
Phosphosite 14:	NCOA2	Q15596	Y911	PIRNSSPYSVIPQPG	62 / 8 AA	159
Phosphosite 15:	NCOA2	Q15596	S912	IRNSSPYSVIPQPGM	62 / 8 AA	159
Phosphosite 16:	HEG1	Q9ULI3	Y1295	GDFQMSPYAEYPKNP	66 / 9 AA	135
Phosphosite 17:	NRL	P54845	Y44	ASLGSTPYSSVPPSP	62 / 8 AA	26
Phosphosite 18:	FGFR1	P11362	Y701	FTLGGSPYPGVPVEE	62 / 8 AA	92
Phosphosite 19:	RER1	O15258	T40	LDKSTPYTAVRWVVT	62 / 8 AA	23
Phosphosite 20:	MEGF11	A6BM72	T976	VHMGSPYTDVPSLST	62 / 8 AA	111