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:	HPS4
Human P-Site:	S272
P-Site Sequence:	QMTRSLASPAGLQDG
UniProt:	Q9NQG7
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	HPS4	Q9NQG7	S272	QMTRSLASPAGLQDG	100 / 9 AA	77
Phosphosite 1:	PLEKHG4B	Q96PX9	S786	TQSRSLSSPSGLHPA	77 / 9 AA	140
Phosphosite 2:	GFRA2	O00451	S22	ETLRSLASPSSLQGP	77 / 9 AA	52
Phosphosite 3:	CRH	P06850	S128	LPRRSLDSPAALAER	77 / 9 AA	21
Phosphosite 4:	SIPA1L3	O60292	S1559	RREPSFASPAGLEPG	77 / 9 AA	195
Phosphosite 5:	DMXL2	Q8TDJ6	S1857	LIRRNLASPEGTLAT	75 / 8 AA	340
Phosphosite 6:	PLEKHG4B	Q96PX9	S785	VTQSRSLSSPSGLHP	75 / 8 AA	140
Phosphosite 7:	VWA5B2	Q8N398	S769	LAGRSLSSPPGRANQ	75 / 8 AA	133
Phosphosite 8:	VWA5B2	Q8N398	S768	ALAGRSLSSPPGRAN	75 / 8 AA	133
Phosphosite 9:	Trpc1	P48995	S222	DIYRCLASPALIMLT	85 / 7 AA	91
Phosphosite 10:	POLD3	Q15054	T277	VTEPKLATPAGLKKS	85 / 7 AA	51
Phosphosite 11:	TNS4	Q8IZW8	S309	SSSRSLESPANSSSS	75 / 8 AA	77
Phosphosite 12:	CRY1	Q16526	T249	NSLLASPTGLSPYLR	85 / 7 AA	66
Phosphosite 13:	CRY2	Q49AN0	S266	NANSLLASPTGLSPY	85 / 7 AA	67
Phosphosite 14:	PARP14	Q460N5	S929	WEKGSLVSPGGLQML	75 / 8 AA	194
Phosphosite 15:	CRY1	Q16526	S247	NANSLLASPTGLSPY	85 / 7 AA	66
Phosphosite 16:	GPATCH8	Q9UKJ3	T520	SKETSLATPAGKESQ	85 / 7 AA	164
Phosphosite 17:	TSC22D4	Q9Y3Q8	S370	GLLRALASPEQLAQL	66 / 9 AA	41
Phosphosite 18:	HPS4	Q9NQG7	S269	PVEQMTRSLASPAGL	100 / 6 AA	77
Phosphosite 19:	GFRA2	O00451	S19	FLDETLRSLASPSSL	100 / 6 AA	52
Phosphosite 20:	MTX1	Q13505	S109	RARRSLASPGISPGP	85 / 7 AA	51