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:	S172
P-Site Sequence:	AAAKNGSSGKKSDSS
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	S172	AAAKNGSSGKKSDSS	100 / 9 AA	32
Phosphosite 1:	PHOX2B	Q99453	S171	AAAAKNGSSGKKSDS	100 / 8 AA	32
Phosphosite 2:	AhR (aryl hydrocarbon receptor)	P35869	S436	LRTKNGTSGKDSATT	77 / 9 AA	96
Phosphosite 3:	AhR (aryl hydrocarbon receptor)	P35869	T435	PLRTKNGTSGKDSAT	85 / 7 AA	96
Phosphosite 4:	HIRA	P54198	S290	KKQKNGSSAKPSCPY	77 / 9 AA	112
Phosphosite 5:	PTPRS	Q13332	S1542	SLHKNGSSEKREVRQ	75 / 8 AA	217
Phosphosite 6:	PTPRD	P23468	S1506	ALYKNGSSEKREVRQ	75 / 8 AA	215
Phosphosite 7:	RPF1	Q9H9Y2	S11	AGDKSSSSGKKSLKR	77 / 9 AA	40
Phosphosite 8:	PTPRD	P23468	S1505	FALYKNGSSEKREVR	75 / 8 AA	215
Phosphosite 9:	PTPRS	Q13332	S1541	FSLHKNGSSEKREVR	75 / 8 AA	217
Phosphosite 10:	UHRF2	Q96PU4	S170	TPLKNGSSCKRTNGN	66 / 9 AA	90
Phosphosite 11:	ARID4B	Q4LE39	S838	EECLKTGSPGKKEEK	75 / 8 AA	148
Phosphosite 12:	KIAA1632	Q9HCE0	S1590	HLECRGSSGKKCQGA	85 / 7 AA	292
Phosphosite 13:	ANKRD50	Q9ULJ7	S1281	ENSAKSGSAGKKAKQ	75 / 8 AA	150
Phosphosite 14:	HIRA	P54198	S289	KKKQKNGSSAKPSCP	85 / 7 AA	112
Phosphosite 15:	RAPH1	Q70E73	S955	PTPDKSGSPGKKTSK	75 / 8 AA	135
Phosphosite 16:	UHRF2	Q96PU4	S169	KTPLKNGSSCKRTNG	75 / 8 AA	90
Phosphosite 17:	GPATCH8	Q9UKJ3	S766	LPAEEGSSGKKDEGG	85 / 7 AA	164
Phosphosite 18:	MAP7D1	Q3KQU3	S805	GFSTNGPSGDKSLSR	75 / 8 AA	93
Phosphosite 19:	KIAA1107	Q9UPP5	S416	SRVTNGTSNKKSIHE	75 / 8 AA	156
Phosphosite 20:	ZCCHC14	Q8WYQ9	S899	VGSSNGSSHKKSGNL	87 / 8 AA	100