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:	MRGPRX4
Human P-Site:	S318
P-Site Sequence:	ESLELSGSRLGP___
UniProt:	Q96LA9
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MRGPRX4	Q96LA9	S318	ESLELSGSRLGP___	100 / 9 AA	36
Phosphosite 1:	MRGPRX1	Q96LB2	S318	EILELSGSRLEQ___	77 / 9 AA	36
Phosphosite 2:	MRGPRX3	Q96LB0	S318	ETLELSGSRLEQ___	77 / 9 AA	36
Phosphosite 3:	EHD2	Q9NZN4	S86	LEQEVPGSRVGPEPT	66 / 9 AA	61
Phosphosite 4:	MRGPRX1	Q96LB2	S316	PEEILELSGSRLEQ_	100 / 7 AA	36
Phosphosite 5:	MRGPRX3	Q96LB0	S316	PQETLELSGSRLEQ_	100 / 7 AA	36
Phosphosite 6:	LRRC14	Q15048	S351	SGNDLSGSQLAPFQG	66 / 9 AA	55
Phosphosite 7:	TRPM1	Q7Z4N2	T502	RLEELYNTRLGPPNT	66 / 9 AA	174
Phosphosite 8:	HMGCS2	P54868	S405	SAQELAGSRIGAFSY	66 / 9 AA	57
Phosphosite 9:	CNTD2	Q9H8S5	S12	GRDQGSGSRLGPIVR	100 / 7 AA	17
Phosphosite 10:	MRGPRX4	Q96LA9	S316	PEESLELSGSRLGP_	100 / 7 AA	36
Phosphosite 11:	FOXH1	O75593	S7	_MGPCSGSRLGPPEA	100 / 7 AA	39
Phosphosite 12:	DTX2	Q86UW9	S205	CHQCLSGSRTGPVSG	87 / 8 AA	67
Phosphosite 13:	C19orf20	Q6ZTW0	S245	ARFLEAGSRLGPDSL	85 / 7 AA	31
Phosphosite 14:	ST6GALNAC2	Q9UJ37	S163	NGGILNGSRQGPNID	75 / 8 AA	42
Phosphosite 15:	HAP1	P54257	S13	LGRCCAGSRLGPGDP	85 / 7 AA	76
Phosphosite 16:	VNN3	Q9NY84	S450	PQIILSGSQLAPERH	75 / 8 AA	56
Phosphosite 17:	DHX38	Q92620	T473	KHWELAGTKLGDIMG	62 / 8 AA	141
Phosphosite 18:	SCAND1	P57086	S100	STPGPAGSRLGPETF	85 / 7 AA	19
Phosphosite 19:	PRAMEF20	Q5VT98	S328	QLKTLDLSGTRLANF	71 / 7 AA	55
Phosphosite 20:	ACTR3	P61158	S354	LKLSEELSGGRLKPK	85 / 7 AA	47