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:	T13
P-Site Sequence:	PVFGTKLTPINGREE
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	T13	PVFGTKLTPINGREE	100 / 9 AA	36
Phosphosite 1:	MRGPRX3	Q96LB0	T13	PVLGTELTPINGREE	88 / 9 AA	36
Phosphosite 2:	MRGPRX1	Q96LB2	T13	STLDTELTPINGTEE	77 / 9 AA	36
Phosphosite 3:	PCK1	P35558	T553	GKASTKLTPIGYIPK	85 / 7 AA	69
Phosphosite 4:	GEFT	Q86VW2	T517	QAQGSTHTPINGSLP	66 / 9 AA	64
Phosphosite 5:	KLF10	Q13118	S342	SPNGTRLSPIAPAPG	71 / 7 AA	53
Phosphosite 6:	PSMB6	P28072	T69	NRVTDKLTPIHDRIF	71 / 7 AA	25
Phosphosite 7:	CA5A	P35218	S65	VPGGTRQSPINIQWR	62 / 8 AA	35
Phosphosite 8:	AUP1	Q9Y679	T326	GQTGTRLTPADKAEH	62 / 8 AA	53
Phosphosite 9:	PDK4	Q16654	T228	SSPELKLTQVNGKFP	71 / 7 AA	46
Phosphosite 10:	TRIM24	O15164	T901	TEGLVKLTPIDKRKC	83 / 6 AA	117
Phosphosite 11:	RIN2	Q8WYP3	T354	ALPGTKPTPIPPPRL	85 / 7 AA	100
Phosphosite 12:	SUV420H1	Q4FZB7	T430	NSTSSKLTHINNSRV	55 / 9 AA	99
Phosphosite 13:	EHD4	Q9H223	S459	DELFYTLSPINGKIS	83 / 6 AA	61
Phosphosite 14:	PYCR1	P32322	T53	RKMGVKLTPHNKETV	75 / 8 AA	33
Phosphosite 15:	ABCF1	Q8NE71	T678	LTGKLTPTHGEMRKN	71 / 7 AA	96
Phosphosite 16:	DDX4	Q9NQI0	T312	KAGYTKLTPVQKYSI	83 / 6 AA	79
Phosphosite 17:	AHSA2	Q719I0	T295	IKGSLQLTPLNG___	71 / 7 AA	34
Phosphosite 18:	ABCF1	Q8NE71	T676	LLLTGKLTPTHGEMR	71 / 7 AA	96
Phosphosite 19:	ORC1L	Q13415	T337	IREERTLTPISGGQR	83 / 6 AA	97
Phosphosite 20:	ORC1L	Q13415	S340	ERTLTPISGGQRSSV	83 / 6 AA	97