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:	S170
P-Site Sequence:	FLFSGADSSWCETSD
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	S170	FLFSGADSSWCETSD	100 / 9 AA	36
Phosphosite 1:	MRGPRX4	Q96LA9	S171	LFSGADSSWCETSDF	100 / 8 AA	36
Phosphosite 2:	MRGPRX1	Q96LB2	S170	FLFSGADSAWCQTSD	77 / 9 AA	36
Phosphosite 3:	MUM1L1	Q5H9M0	S191	TKSLQNSSWCETFPS	83 / 6 AA	79
Phosphosite 4:	MUM1L1	Q5H9M0	S190	ETKSLQNSSWCETFP	66 / 9 AA	79
Phosphosite 5:	GDE	P35573	S1370	KDSYGASSPWCDYQL	62 / 8 AA	175
Phosphosite 6:	RAI17	Q9ULJ6	S97	PKSAALLSSWCEELG	100 / 5 AA	115
Phosphosite 7:	TBC1D22B	Q9NU19	S351	LRSIEADSFWCMSKL	83 / 6 AA	59
Phosphosite 8:	SPNS3	Q6ZMD2	S245	GAVGGFRSSWCEDVR	75 / 8 AA	55
Phosphosite 9:	SPNS3	Q6ZMD2	S246	AVGGFRSSWCEDVRY	75 / 8 AA	55
Phosphosite 10:	FRMPD2	Q68DX3	S290	SVHSAADSSWPTTPS	85 / 7 AA	144
Phosphosite 11:	RAI17	Q9ULJ6	S98	KSAALLSSWCEELGR	100 / 5 AA	115
Phosphosite 12:	Tbr1	Q16650	S613	PKDLSDSSWIETPSS	83 / 6 AA	74
Phosphosite 13:	CXCR3	P49682	S356	SSSRRDSSWSETSEA	83 / 6 AA	41
Phosphosite 14:	JARID2	Q92833	S519	QAHGKADSASCENRS	71 / 7 AA	139
Phosphosite 15:	CXCR3	P49682	S355	PSSSRRDSSWSETSE	83 / 6 AA	41
Phosphosite 16:	Tbr1	Q16650	S612	KPKDLSDSSWIETPS	83 / 6 AA	74
Phosphosite 17:	TNKS1BP1	Q9C0C2	S540	SAPSGSGSSWVQGDD	55 / 9 AA	182
Phosphosite 18:	C10orf71	Q711Q0	S631	EMGPAGSSWCPDSRE	83 / 6 AA	156
Phosphosite 19:	CXCR3	P49682	S358	SRRDSSWSETSEASY	83 / 6 AA	41
Phosphosite 20:	SLC35B2	Q8TB61	S196	ASLSNVLSSWCQYEA	55 / 9 AA	48