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:	S55
P-Site Sequence:	RTTFGATSGCPSLTP
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	S55	RTTFGATSGCPSLTP	100 / 9 AA	32
Phosphosite 1:	SHROOM2	Q13796	S138	ASPFTSTSGCPSWSG	77 / 9 AA	176
Phosphosite 2:	FAM108A1	Q96GS6	S154	YSGYGASSGRPSERN	66 / 9 AA	34
Phosphosite 3:	AMT	P48728	S349	TKIGTVTSGCPSPSL	85 / 7 AA	44
Phosphosite 4:	MLL2	O14686	T2913	EKASFGATGGPPAHL	75 / 8 AA	564
Phosphosite 5:	C1orf94	Q6P1W5	S389	GYGFGSTSGGPLMHS	75 / 8 AA	45
Phosphosite 6:	GAS2L2	Q8NHY3	S524	RSFPGATSGSPRTEL	85 / 7 AA	97
Phosphosite 7:	MGMT	P16455	S199	LKGAGATSGSPPAGR	85 / 7 AA	22
Phosphosite 8:	FAM63A	Q8N5J2	S449	LQGRGATSGRPAGER	75 / 8 AA	52
Phosphosite 9:	FAM63A	Q8N5J2	T448	SLQGRGATSGRPAGE	85 / 7 AA	52
Phosphosite 10:	MYOCD	Q8IZQ8	T452	GFYHFGSTSSSPPIS	62 / 8 AA	102
Phosphosite 11:	Ctip	Q99708	S334	SPVFGATSSIKSGLD	66 / 9 AA	102
Phosphosite 12:	ZNF536	O15090	S1129	VGSGASSSCPNKEPD	62 / 8 AA	141
Phosphosite 13:	C10orf62	Q5T681	S14	KRRRKETSECPSDKD	71 / 7 AA	25
Phosphosite 14:	MYOCD	Q8IZQ8	S453	FYHFGSTSSSPPISP	62 / 8 AA	102
Phosphosite 15:	ZNF536	O15090	S1128	MVGSGASSSCPNKEP	62 / 8 AA	141
Phosphosite 16:	COMMD7	Q86VX2	S145	EWKFGVTSGSSELEK	62 / 8 AA	23
Phosphosite 17:	SGK223	Q86YV5	S219	AAFAGTTSGCHQGPG	71 / 7 AA	150
Phosphosite 18:	NEK9	Q8TD19	S805	MGNSNGASSSCPGWL	71 / 7 AA	107
Phosphosite 19:	C9orf82	Q9H8G2	S41	SGSSGSTSGCGSAGG	75 / 8 AA	38
Phosphosite 20:	HSH2D	Q96JZ2	S189	TTKEATSSCPPKSPL	71 / 7 AA	39