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:	T13
P-Site Sequence:	STLDTELTPINGTEE
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	T13	STLDTELTPINGTEE	100 / 9 AA	36
Phosphosite 1:	MRGPRX3	Q96LB0	T13	PVLGTELTPINGREE	88 / 9 AA	36
Phosphosite 2:	MRGPRX4	Q96LA9	T13	PVFGTKLTPINGREE	77 / 9 AA	36
Phosphosite 3:	HSPA12A	O43301	T156	LTMDTDLTAANGKKV	66 / 9 AA	75
Phosphosite 4:	MRGPRX1	Q96LB2	T10	PTISTLDTELTPING	100 / 6 AA	36
Phosphosite 5:	AHSA2	Q719I0	T295	IKGSLQLTPLNG___	71 / 7 AA	34
Phosphosite 6:	L3MBTL2	Q969R5	T498	QKNDIELTPPKGYEA	66 / 9 AA	79
Phosphosite 7:	RNF130	Q86XS8	T372	LPQDGELTPRTGEIN	66 / 9 AA	46
Phosphosite 8:	C1orf156	O95568	T18	DHLENELTPIRDGAL	71 / 7 AA	42
Phosphosite 9:	EPB41L3	Q9Y2J2	T1081	VHKETEITPEDGED_	55 / 9 AA	121
Phosphosite 10:	MXRA5	Q9NR99	T1542	GNPETEATPVNNEGT	62 / 8 AA	312
Phosphosite 11:	ADAR	P55265	T808	RMGFTEVTPVTGASL	62 / 8 AA	136
Phosphosite 12:	MPP2	Q14168	T327	VKRDLELTPNSGTLC	66 / 9 AA	65
Phosphosite 13:	RALY	Q9UKM9	T195	QAIKTELTQIKSNID	62 / 8 AA	32
Phosphosite 14:	TRIOBP	Q9H2D6	T1637	PEGWAEATPVNGHSP	62 / 8 AA	261
Phosphosite 15:	EHD4	Q9H223	S459	DELFYTLSPINGKIS	83 / 6 AA	61
Phosphosite 16:	PLCB3	Q01970	T1122	HKKEAELTEINRRHI	62 / 8 AA	139
Phosphosite 17:	MAD1L1	Q9Y6D9	S420	AILGSYDSELTPAEY	83 / 6 AA	83
Phosphosite 18:	ORC1L	Q13415	S340	ERTLTPISGGQRSSV	83 / 6 AA	97
Phosphosite 19:	ORC1L	Q13415	T337	IREERTLTPISGGQR	83 / 6 AA	97
Phosphosite 20:	DUOX1	Q9NRD9	T982	SDIETELTPQRLQCP	83 / 6 AA	177