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:	MRGPRX1
Human P-Site:	Y24
P-Site Sequence:	GTEETLCYKQTLSLT
UniProt:	Q96LB2
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MRGPRX1	Q96LB2	Y24	GTEETLCYKQTLSLT	100 / 9 AA	36
Phosphosite 1:	MRGPRX3	Q96LB0	Y24	GREETPCYKQTLSFT	88 / 9 AA	36
Phosphosite 2:	MRGPRX4	Q96LA9	Y24	GREETPCYNQTLSFT	77 / 9 AA	36
Phosphosite 3:	CCDC81	Q6ZN84	Y483	KMEETQCYKRALDAQ	66 / 9 AA	76
Phosphosite 4:	MRGPRX3	Q96LB0	T27	ETPCYKQTLSFTGLT	100 / 6 AA	36
Phosphosite 5:	MRGPRX1	Q96LB2	T21	PINGTEETLCYKQTL	100 / 6 AA	36
Phosphosite 6:	CRISPLD1	Q9H336	Y241	GCRENLCYKEGSDRY	71 / 7 AA	57
Phosphosite 7:	MRGPRX4	Q96LA9	T27	ETPCYNQTLSFTVLT	83 / 6 AA	36
Phosphosite 8:	RPL30	P62888	Y31	SGKYVLGYKQTLKMI	75 / 8 AA	13
Phosphosite 9:	ZNF398	Q8TD17	Y578	YCGRSFRYKQTLKDH	62 / 8 AA	71
Phosphosite 10:	C17orf28	Q8IV36	T68	ESPSNLATLCYKAVE	83 / 6 AA	89
Phosphosite 11:	LRRC36	Q1X8D7	S338	ENYDSCYSQTLSLHG	83 / 6 AA	84
Phosphosite 12:	TDG	Q13569	Y267	PDTETLCYVMPSSSA	100 / 5 AA	46
Phosphosite 13:	HUNK	P57058	S398	GKSDIQDSLCYKTRL	66 / 6 AA	80
Phosphosite 14:	TDG	Q13569	T264	HKIPDTETLCYVMPS	100 / 5 AA	46
Phosphosite 15:	LRRC36	Q1X8D7	T340	YDSCYSQTLSLHGSL	83 / 6 AA	84
Phosphosite 16:	LRRC36	Q1X8D7	Y337	LENYDSCYSQTLSLH	83 / 6 AA	84
Phosphosite 17:	MRGPRX3	Q96LB0	T21	PINGREETPCYKQTL	83 / 6 AA	36
Phosphosite 18:	KATNB1	Q9BVA0	Y620	LHKCRLCYKQLKSIS	100 / 5 AA	72
Phosphosite 19:	KLHDC9	Q8NEP7	Y175	LDPSARTYCYKQEGC	83 / 6 AA	38
Phosphosite 20:	KLHDC9	Q8NEP7	Y177	PSARTYCYKQEGCHT	83 / 6 AA	38