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:	XKR4
Human P-Site:	S352
P-Site Sequence:	SLAWALASYQKALRD
UniProt:	Q5GH76
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	XKR4	Q5GH76	S352	SLAWALASYQKALRD	100 / 9 AA	72
Phosphosite 1:	XKR7	Q5GH72	S279	SLAWTLASYQKVLRD	77 / 9 AA	64
Phosphosite 2:	KIF5A	Q12840	Y990	SGGPLASYQKANMDN	87 / 8 AA	117
Phosphosite 3:	KIF5A	Q12840	S989	SSGGPLASYQKANMD	87 / 8 AA	117
Phosphosite 4:	ASPM	Q8IZT6	S1628	FAMKVLASYQKTRSA	75 / 8 AA	410
Phosphosite 5:	RASGRP4	Q8TDF6	Y106	AARLLTSYQKATGDT	85 / 7 AA	75
Phosphosite 6:	SGTB	Q96EQ0	S175	KFEEAVTSYQKALDL	75 / 8 AA	33
Phosphosite 7:	RASGRP4	Q8TDF6	T104	DLAARLLTSYQKATG	62 / 8 AA	75
Phosphosite 8:	LARP6	Q9BRS8	T202	PKLWALATPQKNGRV	75 / 8 AA	55
Phosphosite 9:	SH3PXD2A	Q5TCZ1	S318	KEGWAPASYLKKAKD	75 / 8 AA	125
Phosphosite 10:	SH3PXD2B	A1X283	S273	KEGWAPASYLKKNSG	75 / 8 AA	102
Phosphosite 11:	ATP13A1	Q9HD20	S638	KRMSVLASYEKLGST	62 / 8 AA	133
Phosphosite 12:	MTMR13	Q86WG5	S1697	IVSTNLPSYQKRSLL	83 / 6 AA	208
Phosphosite 13:	MTMR13	Q86WG5	Y1698	VSTNLPSYQKRSLLH	83 / 6 AA	208
Phosphosite 14:	DYTN	A2CJ06	S482	KVISALPSYQEGLKQ	55 / 9 AA	65
Phosphosite 15:	COPS2	P61201	S53	DPKAALSSFQKVLEL	62 / 8 AA	52
Phosphosite 16:	RAPSN	Q13702	S145	VFQKALESFEKALRY	62 / 8 AA	46
Phosphosite 17:	ATP13A1	Q9HD20	Y639	RMSVLASYEKLGSTD	71 / 7 AA	133
Phosphosite 18:	COPS2	P61201	S52	DDPKAALSSFQKVLE	71 / 7 AA	52
Phosphosite 19:	BCLAF1	Q9NYF8	S634	TLNERFTSYQKATEE	71 / 7 AA	106
Phosphosite 20:	KIAA1529	Q9P1Z9	S326	SYESALASFQEEIAQ	62 / 8 AA	198