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:	S280
P-Site Sequence:	PAGLQDGSAQHHPKG
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	S280	PAGLQDGSAQHHPKG	100 / 9 AA	77
Phosphosite 1:	KIAA1117	Q5JWR5	T886	WDQLGDGTPQHHQKS	66 / 9 AA	277
Phosphosite 2:	MSK2	O75676	S678	SSWLQDGSARSSPPL	85 / 7 AA	86
Phosphosite 3:	ZFP64	Q9NTW7	S567	KEGLREGSSQHVAKI	62 / 8 AA	72
Phosphosite 4:	LENG8	Q96PV6	S292	QARLQDGSAYTIDWS	100 / 6 AA	86
Phosphosite 5:	MAPKBP1	O60336	S1059	PYGLQEGSPQTPDQE	71 / 7 AA	164
Phosphosite 6:	C14orf104	Q9NVR5	S813	ETNMQDGSVQVIKDH	71 / 7 AA	91
Phosphosite 7:	SRGAP2	O75044	T718	EDSTQDVTAEHHTSD	62 / 8 AA	121
Phosphosite 8:	PDZD2	O15018	S1455	DSGSQEGSAQGHPPA	75 / 8 AA	302
Phosphosite 9:	SMTN	P53814	T351	AARLQDGTPQAALSP	71 / 7 AA	100
Phosphosite 10:	CCDC138	Q96M89	S469	TKGIQDNSPQHSVEN	62 / 8 AA	76
Phosphosite 11:	ETV3	P41162	S198	LSELEDGSAADWRRG	55 / 9 AA	57
Phosphosite 12:	SPT5	O00267	S797	QTPLQDGSRTPHYGS	66 / 9 AA	121
Phosphosite 13:	FILIP1	Q7Z7B0	S1152	VSGQDGSSQRPTPTR	62 / 8 AA	138
Phosphosite 14:	GPAM	Q9HCL2	S155	AELNPDGSAQQQSKA	71 / 7 AA	94
Phosphosite 15:	FILIP1	Q7Z7B0	S1151	SVSGQDGSSQRPTPT	62 / 8 AA	138
Phosphosite 16:	IGSF21	Q96ID5	S389	GSRLLDGSAEFDGKE	55 / 9 AA	52
Phosphosite 17:	ALX4	Q9H161	S143	SLKLQEGSSGHSAAL	62 / 8 AA	44
Phosphosite 18:	DHX57	Q6P158	S747	RYVLQDGSPYMRSMK	83 / 6 AA	156
Phosphosite 19:	LECT1	O75829	S89	NGKLQDGSMEIDAGN	71 / 7 AA	37
Phosphosite 20:	PIK3C2G	O75747	S1358	NIHLPDGSAPSAHVE	71 / 7 AA	166