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:	Y24
P-Site Sequence:	GREETPCYNQTLSFT
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	Y24	GREETPCYNQTLSFT	100 / 9 AA	36
Phosphosite 1:	MRGPRX3	Q96LB0	Y24	GREETPCYKQTLSFT	88 / 9 AA	36
Phosphosite 2:	MRGPRX1	Q96LB2	Y24	GTEETLCYKQTLSLT	77 / 9 AA	36
Phosphosite 3:	MRGPRX4	Q96LA9	T21	PINGREETPCYNQTL	100 / 6 AA	36
Phosphosite 4:	MRGPRX4	Q96LA9	T27	ETPCYNQTLSFTVLT	100 / 6 AA	36
Phosphosite 5:	CCDC81	Q6ZN84	Y483	KMEETQCYKRALDAQ	55 / 9 AA	76
Phosphosite 6:	FBXO47	Q5MNV8	Y27	SNRQTSCYSKTLGSG	55 / 9 AA	52
Phosphosite 7:	LRRC36	Q1X8D7	S338	ENYDSCYSQTLSLHG	71 / 7 AA	84
Phosphosite 8:	ANKRD40	Q6AI12	Y359	TLTERPCYNRRASKL	71 / 7 AA	41
Phosphosite 9:	FBXO47	Q5MNV8	S28	NRQTSCYSKTLGSGF	62 / 8 AA	52
Phosphosite 10:	LRRC36	Q1X8D7	Y337	LENYDSCYSQTLSLH	71 / 7 AA	84
Phosphosite 11:	MRGPRX3	Q96LB0	T21	PINGREETPCYKQTL	83 / 6 AA	36
Phosphosite 12:	MRGPRX3	Q96LB0	T27	ETPCYKQTLSFTGLT	83 / 6 AA	36
Phosphosite 13:	LRRC36	Q1X8D7	T340	YDSCYSQTLSLHGSL	83 / 6 AA	84
Phosphosite 14:	ARID1A	O14497	Y470	GQQGQTPYYNQQSPH	71 / 7 AA	242
Phosphosite 15:	ARID1A	O14497	Y471	QQGQTPYYNQQSPHP	71 / 7 AA	242
Phosphosite 16:	CELA3B	P08861	Y158	LPNETPCYITGWGRL	100 / 5 AA	29
Phosphosite 17:	KRTAP10-10	P60014	Y75	SSCTTPCYQQSSCQP	71 / 7 AA	26
Phosphosite 18:	UNC5C	O95185	Y649	ENFTTPCYIQLDAEA	83 / 6 AA	103
Phosphosite 19:	MAGI3	Q5TCQ9	Y273	WMKTVPSYNQTNSSM	83 / 6 AA	166
Phosphosite 20:	FBLIM1	Q8WUP2	Y236	RPLCEPCYQDTLERC	71 / 7 AA	41