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:	S312
P-Site Sequence:	EGQLPEESLELSGSR
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	S312	EGQLPEESLELSGSR	100 / 9 AA	36
Phosphosite 1:	MRGPRX3	Q96LB0	T312	GGWLPQETLELSGSR	77 / 9 AA	36
Phosphosite 2:	ALMS1	Q8TCU4	S1498	EGHLPEESLKVSVAP	77 / 9 AA	461
Phosphosite 3:	ALMS1	Q8TCU4	S1072	DSHLPEESLKVSAFP	77 / 9 AA	461
Phosphosite 4:	DBH	P09172	S58	IPLDPEGSLELSWNV	87 / 8 AA	69
Phosphosite 5:	SNX16	P57768	S282	LSLEPEESLDVSETE	75 / 8 AA	39
Phosphosite 6:	SYNE2	Q8WXH0	S3292	DVGNPEESLEMPLRK	75 / 8 AA	796
Phosphosite 7:	FCMD	O75072	S352	KFGKVEDSLELSFQG	85 / 7 AA	54
Phosphosite 8:	SgK307	Q8IWB6	S1420	WLQPPEESVELQDLP	85 / 7 AA	168
Phosphosite 9:	FRMD6	Q96NE9	S472	LEQMNEESLEVSPDM	66 / 9 AA	72
Phosphosite 10:	CCDC142	Q17RM4	S507	IQLLPEESLSVFSQE	100 / 6 AA	82
Phosphosite 11:	CNTN1	Q12860	S56	NTIYPEESLEGKVSL	100 / 6 AA	113
Phosphosite 12:	PSME4	Q14997	S642	VKCCPEESLKLFVPH	85 / 7 AA	211
Phosphosite 13:	polycystin 1	P98161	S372	SSVQSDESLDLSIQN	62 / 8 AA	463
Phosphosite 14:	ASCL3	Q9NQ33	Y123	RHHLPEEYLEKRLSK	85 / 7 AA	21
Phosphosite 15:	TRGC2	P03986	S81	WLTVPEESLDKEHRC	71 / 7 AA	22
Phosphosite 16:	NBPF3	Q9H094	S259	EKEVPEDSLEECAIT	71 / 7 AA	73
Phosphosite 17:	NBPF15	Q8N660	S203	EKEVPEDSLEECAIT	71 / 7 AA	78
Phosphosite 18:	NBPF11	Q86T75	S474	EKEVPEDSLEECAIT	71 / 7 AA	68
Phosphosite 19:	NBPF11	Q86T75	S203	ESKVPEDSLEECAIT	71 / 7 AA	68
Phosphosite 20:	NBPF10	Q6P3W6	S203	ESKVPEDSLEECAIT	71 / 7 AA	96