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:	XKR3
Human P-Site:	Y421
P-Site Sequence:	ENQPEAPYYYVNIEK
UniProt:	Q5GH77
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	XKR3	Q5GH77	Y421	ENQPEAPYYYVNIEK	100 / 9 AA	53
Phosphosite 1:	XKR3	Q5GH77	Y422	NQPEAPYYYVNIEKT	100 / 8 AA	53
Phosphosite 2:	XKR3	Q5GH77	Y423	QPEAPYYYVNIEKTE	100 / 7 AA	53
Phosphosite 3:	ITIH3	Q06033	Y645	YQPPQNPYYYVDGDP	66 / 9 AA	100
Phosphosite 4:	HTR3B	O95264	Y134	ERYPDLPYVYVNSSG	66 / 9 AA	50
Phosphosite 5:	ITIH3	Q06033	Y646	QPPQNPYYYVDGDPH	62 / 8 AA	100
Phosphosite 6:	ITIH3	Q06033	Y647	PPQNPYYYVDGDPHF	83 / 6 AA	100
Phosphosite 7:	MYO15A	Q9UKN7	Y399	IYPPEVPYFYPEESA	71 / 7 AA	395
Phosphosite 8:	C1s	P09871	Y391	YTCEEPYYYMENGGG	71 / 7 AA	77
Phosphosite 9:	C1s	P09871	Y390	RYTCEEPYYYMENGG	62 / 8 AA	77
Phosphosite 10:	FNDC1	Q4ZHG4	Y1872	NIGFGTPYYYVGWYE	62 / 8 AA	199
Phosphosite 11:	KIFAP3	Q92845	Y786	GFRPDEPYYYGYGS_	71 / 7 AA	91
Phosphosite 12:	EXT1	Q16394	Y467	SYLGDFPYYYANLGL	62 / 8 AA	86
Phosphosite 13:	EXT1	Q16394	Y468	YLGDFPYYYANLGLK	62 / 8 AA	86
Phosphosite 14:	IFT140	Q96RY7	Y727	LLGMEVPYYYFTRKP	83 / 6 AA	165
Phosphosite 15:	IFT140	Q96RY7	Y728	LGMEVPYYYFTRKPE	83 / 6 AA	165
Phosphosite 16:	CLCN1	P35523	Y262	GVYEQPYYYSDILTV	62 / 8 AA	109
Phosphosite 17:	Plk1	P53350	Y155	LTEPEARYYLRQIVL	83 / 6 AA	68
Phosphosite 18:	SHANK3	Q9BYB0	Y829	PPPPPAPYYFDSGPP	71 / 7 AA	186
Phosphosite 19:	EXT1	Q16394	Y469	LGDFPYYYANLGLKP	83 / 6 AA	86
Phosphosite 20:	TEDDM1	Q5T9Z0	Y241	TGPKEAPYYASTPGP	100 / 5 AA	31