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:	SP4
Human P-Site:	T350
P-Site Sequence:	DTGQYASTSASSSER
UniProt:	Q02446
Intern. Prot. ID:	IPI00025805

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SP4	Q02446	T350	DTGQYASTSASSSER	100 / 9 AA	82
Phosphosite 1:	SP4	Q02446	S349	ADTGQYASTSASSSE	100 / 8 AA	82
Phosphosite 2:	SP4	Q02446	S351	TGQYASTSASSSERT	100 / 8 AA	82
Phosphosite 3:	SLAIN1	Q8ND83	S291	SLRQDYASTSASVSR	87 / 8 AA	61
Phosphosite 4:	SLAIN1	Q8ND83	S293	RQDYASTSASVSRHS	100 / 7 AA	61
Phosphosite 5:	SP4	Q02446	Y347	SSADTGQYASTSASS	100 / 6 AA	82
Phosphosite 6:	CCDC162	A2VCL2	T314	SQAQYSPTSASTSSR	66 / 9 AA	45
Phosphosite 7:	Rb	P06400	T774	NILQYASTRPPTLSP	55 / 9 AA	106
Phosphosite 8:	Rb	P06400	S773	TNILQYASTRPPTLS	62 / 8 AA	106
Phosphosite 9:	RGS22	Q8NE09	Y1179	GKDGIKQYANTSVPA	83 / 6 AA	147
Phosphosite 10:	FAM175B	Q15018	S346	SSNYASTSAGLKYPG	85 / 7 AA	47
Phosphosite 11:	CCDC114	Q96M63	S592	HVTFGSTSASSGGHV	75 / 8 AA	75
Phosphosite 12:	NAV2	Q8IVL1	T981	SISSYANTPASSRKN	75 / 8 AA	268
Phosphosite 13:	mGluR3	Q14832	S173	IPQISYASTSAKLSD	100 / 6 AA	99
Phosphosite 14:	mGluR2	Q14416	S167	IPQISYASTSAKLSD	100 / 6 AA	96
Phosphosite 15:	mGluR3	Q14832	T174	PQISYASTSAKLSDK	100 / 6 AA	99
Phosphosite 16:	mGluR3	Q14832	S175	QISYASTSAKLSDKS	100 / 6 AA	99
Phosphosite 17:	mGluR2	Q14416	T168	PQISYASTSAKLSDK	100 / 6 AA	96
Phosphosite 18:	mGluR2	Q14416	S169	QISYASTSAKLSDKS	100 / 6 AA	96
Phosphosite 19:	MARCH-VII	Q9H992	S52	RLDSEYQSTSASASA	75 / 8 AA	78
Phosphosite 20:	FAM175B	Q15018	S344	VGSSNYASTSAGLKY	100 / 6 AA	47