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:	Y137
P-Site Sequence:	YHCRRPRYLSSVMCV
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	Y137	YHCRRPRYLSSVMCV	100 / 9 AA	36
Phosphosite 1:	MLL3	Q8NEZ4	Y4598	YANRRCRYLCSIEEK	66 / 9 AA	541
Phosphosite 2:	MCCC1	Q96RQ3	S638	IPVPKYLSSVSSQET	85 / 7 AA	80
Phosphosite 3:	MCCC1	Q96RQ3	Y636	IDIPVPKYLSSVSSQ	85 / 7 AA	80
Phosphosite 4:	FOXN2	P32314	S222	SLSPHYLSSVIKQNQ	85 / 7 AA	47
Phosphosite 5:	STARD3	Q14849	Y360	IERRRDRYLSSGIAT	87 / 8 AA	51
Phosphosite 6:	FOXN2	P32314	Y220	NGSLSPHYLSSVIKQ	85 / 7 AA	47
Phosphosite 7:	ZNF589	Q86UQ0	Y31	PWEEKPRYLGPVTFE	62 / 8 AA	41
Phosphosite 8:	HEY2	Q9UBP5	S138	TEVARYLSSVEGLDS	85 / 7 AA	36
Phosphosite 9:	KBTBD2	Q8IY47	Y212	NTESRSQYLSSVLSQ	75 / 8 AA	71
Phosphosite 10:	HAO2	Q9NYQ3	Y51	RIRLRPRYLRDVSEV	75 / 8 AA	39
Phosphosite 11:	SLC35A3	Q9Y2D2	Y37	LKEEGPRYLSSTAVV	85 / 7 AA	36
Phosphosite 12:	CACNA1I	Q9P0X4	Y419	MLEQRQRYLSSSTVA	75 / 8 AA	245
Phosphosite 13:	NEDD4L	Q96PU5	S446	PQIRRPRSLSSPTVT	87 / 8 AA	112
Phosphosite 14:	ADAM32	Q8TC27	Y285	IYMDYPRYLGAVFPG	71 / 7 AA	88
Phosphosite 15:	HEY2	Q9UBP5	S139	EVARYLSSVEGLDSS	100 / 6 AA	36
Phosphosite 16:	ZNF57	Q68EA5	Y210	QTFQHPRYLSHHVKT	71 / 7 AA	125
Phosphosite 17:	CCDC37	Q494V2	S340	MRLGRSPSYLSSPQQ	75 / 8 AA	71
Phosphosite 18:	TXNRD3	Q86VQ6	Y422	ATGERPRYLGIQGDK	83 / 6 AA	82
Phosphosite 19:	CCDC37	Q494V2	Y341	RLGRSPSYLSSPQQG	75 / 8 AA	71
Phosphosite 20:	TRXR1	Q16881	Y317	ATGERPRYLGIPGDK	83 / 6 AA	71