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:	MRGPRX3
Human P-Site:	Y24
P-Site Sequence:	GREETPCYKQTLSFT
UniProt:	Q96LB0
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MRGPRX3	Q96LB0	Y24	GREETPCYKQTLSFT	100 / 9 AA	36
Phosphosite 1:	MRGPRX4	Q96LA9	Y24	GREETPCYNQTLSFT	88 / 9 AA	36
Phosphosite 2:	MRGPRX1	Q96LB2	Y24	GTEETLCYKQTLSLT	88 / 9 AA	36
Phosphosite 3:	CCDC81	Q6ZN84	Y483	KMEETQCYKRALDAQ	66 / 9 AA	76
Phosphosite 4:	MRGPRX3	Q96LB0	T21	PINGREETPCYKQTL	100 / 6 AA	36
Phosphosite 5:	MRGPRX3	Q96LB0	T27	ETPCYKQTLSFTGLT	100 / 6 AA	36
Phosphosite 6:	MRGPRX4	Q96LA9	T21	PINGREETPCYNQTL	83 / 6 AA	36
Phosphosite 7:	MRGPRX4	Q96LA9	T27	ETPCYNQTLSFTVLT	83 / 6 AA	36
Phosphosite 8:	LRRC36	Q1X8D7	S338	ENYDSCYSQTLSLHG	71 / 7 AA	84
Phosphosite 9:	KRTAP10-10	P60014	Y75	SSCTTPCYQQSSCQP	71 / 7 AA	26
Phosphosite 10:	Rap1GAP2	Q684P5	Y399	PGTETPSYKVSVTAR	55 / 9 AA	80
Phosphosite 11:	LRRC36	Q1X8D7	Y337	LENYDSCYSQTLSLH	71 / 7 AA	84
Phosphosite 12:	FBLIM1	Q8WUP2	Y236	RPLCEPCYQDTLERC	71 / 7 AA	41
Phosphosite 13:	CELA3B	P08861	Y158	LPNETPCYITGWGRL	100 / 5 AA	29
Phosphosite 14:	Rap1GAP2	Q684P5	S398	TPGTETPSYKVSVTA	83 / 6 AA	80
Phosphosite 15:	UNC5C	O95185	Y649	ENFTTPCYIQLDAEA	83 / 6 AA	103
Phosphosite 16:	LRRC36	Q1X8D7	T340	YDSCYSQTLSLHGSL	83 / 6 AA	84
Phosphosite 17:	ADAMTSL1	Q8N6G6	Y493	CIVPTPCYKPKEKLP	83 / 6 AA	58
Phosphosite 18:	Rap1GAP2	Q684P5	T396	VETPGTETPSYKVSV	83 / 6 AA	80
Phosphosite 19:	QRICH2	Q9H0J4	Y1538	QCLGSPCYKRVTDMA	57 / 7 AA	181
Phosphosite 20:	ADAMTSL1	Q8N6G6	T490	KEECIVPTPCYKPKE	100 / 5 AA	58