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:	S584
P-Site Sequence:	PTAPSTPSSRPPRIE
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	S584	PTAPSTPSSRPPRIE	100 / 9 AA	72
Phosphosite 1:	XKR4	Q5GH76	S585	TAPSTPSSRPPRIEE	100 / 8 AA	72
Phosphosite 2:	ZZEF1	O43149	T1523	PLSPSTPTRRPPFTR	77 / 9 AA	331
Phosphosite 3:	CDKL5	O76039	S815	IHSASTPSSRPKEWR	87 / 8 AA	116
Phosphosite 4:	CDKL5	O76039	S816	HSASTPSSRPKEWRP	100 / 7 AA	116
Phosphosite 5:	XKR4	Q5GH76	T582	VRPTAPSTPSSRPPR	100 / 7 AA	72
Phosphosite 6:	UBL7	Q96S82	S251	PSSSTPSSRPASLGY	87 / 8 AA	41
Phosphosite 7:	UBL7	Q96S82	S250	TPSSSTPSSRPASLG	87 / 8 AA	41
Phosphosite 8:	HOXA11	P31270	S39	SFLPQTPSSRPMTYS	87 / 8 AA	34
Phosphosite 9:	SATB1	Q01826	S469	PLISTPPSRPPQVKT	87 / 8 AA	86
Phosphosite 10:	TRIO	O75962	S2391	EAGPSAPSRRPPGAD	77 / 9 AA	347
Phosphosite 11:	DNM3	Q9UQ16	S847	RAPPSVPSRRPPPSP	77 / 9 AA	98
Phosphosite 12:	Nur77	P22736	S145	APSPSTPSFQPPQLS	77 / 9 AA	64
Phosphosite 13:	CKAP2L	Q8IYA6	S395	SAIPSTPSIRPNGTS	87 / 8 AA	84
Phosphosite 14:	FHDC1	Q9C0D6	S530	PISPSSPSYRPPNTR	77 / 9 AA	125
Phosphosite 15:	ARID3C	A6NKF2	S87	AQGPSSPSSQPPGLH	77 / 9 AA	44
Phosphosite 16:	PKN1	Q16512	S356	GGPGTPDSRPPFLSR	75 / 8 AA	104
Phosphosite 17:	MUC5AC	P98088	S2234	VTAPSTPSGRAISPT	75 / 8 AA	527
Phosphosite 18:	PCBP2	Q15366	S94	MTNSTAASRPPVTLR	75 / 8 AA	39
Phosphosite 19:	PCBP1	Q15365	S94	MTNSTAASRPPVTLR	75 / 8 AA	37
Phosphosite 20:	HN1L	Q9H910	S37	SPEEATPSSRPNRMA	85 / 7 AA	20