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:	T312
P-Site Sequence:	GGWLPQETLELSGSR
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	T312	GGWLPQETLELSGSR	100 / 9 AA	36
Phosphosite 1:	MRGPRX4	Q96LA9	S312	EGQLPEESLELSGSR	77 / 9 AA	36
Phosphosite 2:	C2orf86	O95876	T425	EDRLPRETLQFSKLF	66 / 9 AA	85
Phosphosite 3:	Cdc27	P30260	T209	LTETPQDTIELNRLN	62 / 8 AA	92
Phosphosite 4:	C9orf23	Q8N5L8	T25	MPQLPPDTLEMRVRD	55 / 9 AA	18
Phosphosite 5:	EHBP1	Q8NDI1	T694	KRLLKAETLELSDLY	77 / 9 AA	140
Phosphosite 6:	CASP8AP2	Q9UKL3	T811	EPCLPKETLDSSLQQ	66 / 9 AA	223
Phosphosite 7:	PTGER4	P35408	T480	QVTFPSETLNLSEKC	66 / 9 AA	53
Phosphosite 8:	MCAT	Q8IVS2	T113	SLHGPQETLDRTVHC	83 / 6 AA	43
Phosphosite 9:	HEATR6	Q6AI08	T1094	DLPCMKETLELSGNM	85 / 7 AA	129
Phosphosite 10:	DNAH7	Q8WXX0	T2851	KLARLQDTLELNKQK	71 / 7 AA	461
Phosphosite 11:	TBC1D2B	Q9UPU7	T394	CEGVPKDTLELLHQK	62 / 8 AA	110
Phosphosite 12:	ZNF839	A8K0R7	T430	SGLCSQETLEINNDK	62 / 8 AA	87
Phosphosite 13:	MYO10	Q9HD67	S181	LSVISQQSLELSLKE	55 / 9 AA	237
Phosphosite 14:	RBM33	Q96EV2	T245	ERRNIPETLELSAEA	100 / 6 AA	130
Phosphosite 15:	ARHGAP23	Q9P227	T146	LIQNSDDTLELSIMP	62 / 8 AA	162
Phosphosite 16:	Slc17a7	Q9P2U7	T32	KRQEGAETLELSADG	100 / 6 AA	62
Phosphosite 17:	TMEM161A	Q9NX61	T191	VQVVREETLELGLEP	55 / 9 AA	54
Phosphosite 18:	SSR1	P43307	T260	MSWIPQETLNQINKA	83 / 6 AA	32
Phosphosite 19:	SERPINF2	P08697	T383	SGVQHQSTLELSEVG	75 / 8 AA	55
Phosphosite 20:	KCNK13	Q9HB14	S175	RGALPQESLKDAGQC	83 / 6 AA	45