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:	MPP4
Human P-Site:	S390
P-Site Sequence:	MRLCRRKSHLSPLHA
UniProt:	Q96JB8
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MPP4	Q96JB8	S390	MRLCRRKSHLSPLHA	100 / 9 AA	73
Phosphosite 1:	MRGPRX4	Q96LA9	T136	WYRCRRPTHLSAVVC	66 / 9 AA	36
Phosphosite 2:	C2orf16	Q68DN1	S1855	PSEKSHLSPLERSRC	100 / 6 AA	224
Phosphosite 3:	C2orf16	Q68DN1	S1852	SHSPSEKSHLSPLER	100 / 6 AA	224
Phosphosite 4:	ZNF84	P51523	S668	GKAFSRKSHLIPHQR	85 / 7 AA	85
Phosphosite 5:	MPP4	Q96JB8	S393	CRRKSHLSPLHASVC	100 / 6 AA	73
Phosphosite 6:	ARFGEF3	Q5TH69	S399	RSISKRKSHLDLLKL	71 / 7 AA	241
Phosphosite 7:	C6orf222	P0C671	S432	APHCRRKSQEKRSSF	83 / 6 AA	72
Phosphosite 8:	ZNF493	Q6ZR52	S625	CGKAFRRSSHLSRHK	85 / 7 AA	75
Phosphosite 9:	ZNF805	Q5CZA5	S270	GKAFNRKSHLTQHQR	71 / 7 AA	71
Phosphosite 10:	PTPN20A	Q4JDL3	S343	YIRYARKSHLTGPMV	62 / 8 AA	48
Phosphosite 11:	SENP3	Q9H4L4	S169	AHPKNHLSPQQGGAT	83 / 6 AA	65
Phosphosite 12:	REXO1	Q8N1G1	S664	PGQKRRISHLSKQGQ	85 / 7 AA	132
Phosphosite 13:	ZNF493	Q6ZR52	S626	GKAFRRSSHLSRHKI	85 / 7 AA	75
Phosphosite 14:	ZNF347	Q96SE7	S470	GKVFRRNSHLARHQL	71 / 7 AA	96
Phosphosite 15:	ADAMTS3	O15072	S876	KYGCRRKSDNKMVHR	83 / 6 AA	136
Phosphosite 16:	ACIN1	Q9UKV3	S350	SQEEARKSHLARQQQ	83 / 6 AA	152
Phosphosite 17:	HRI	Q9BQI3	S349	QLPLRRNSHLEESFT	83 / 6 AA	71
Phosphosite 18:	GJA10	Q969M2	S112	KDRQRKKSHLRAQME	83 / 6 AA	62
Phosphosite 19:	HLA-C	Q9TNN7	S337	VVMCRRKSSGGKGGS	100 / 5 AA	41
Phosphosite 20:	HLA-B	Q95365	S336	AVMCRRKSSGGKGGS	100 / 5 AA	40