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:	S581
P-Site Sequence:	QVRPTAPSTPSSRPP
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	S581	QVRPTAPSTPSSRPP	100 / 9 AA	72
Phosphosite 1:	XKR4	Q5GH76	T582	VRPTAPSTPSSRPPR	100 / 8 AA	72
Phosphosite 2:	MUC5AC	P98088	S2761	STPVTAPSTPSGRAT	87 / 8 AA	527
Phosphosite 3:	MUC5AC	P98088	S2231	STPVTAPSTPSGRAI	87 / 8 AA	527
Phosphosite 4:	OPTC	Q9UBM4	T100	KSTTAPGTPSSNPTM	87 / 8 AA	37
Phosphosite 5:	MUC5AC	P98088	T2762	TPVTAPSTPSGRATS	87 / 8 AA	527
Phosphosite 6:	MUC5AC	P98088	T2232	TPVTAPSTPSGRAIS	87 / 8 AA	527
Phosphosite 7:	USP31	Q70CQ4	S50	ASGPAAPSSPSSPSS	77 / 9 AA	147
Phosphosite 8:	CRLF1	O75462	S337	WSHPTAASTPRSERP	77 / 9 AA	46
Phosphosite 9:	CORO7	P57737	T440	SSLTSPSTPSSLGPS	87 / 8 AA	101
Phosphosite 10:	CORO7	P57737	S439	PSSLTSPSTPSSLGP	87 / 8 AA	101
Phosphosite 11:	RICH2	Q17R89	S685	SLSPTPPSTPSPYGL	87 / 8 AA	89
Phosphosite 12:	MORC3	Q14149	S497	LFRPTALSTPSFSSP	87 / 8 AA	107
Phosphosite 13:	SNTG2	Q9NY99	S201	SSTTAPSSPSSPIAK	87 / 8 AA	60
Phosphosite 14:	SNTG2	Q9NY99	S200	NSSTTAPSSPSSPIA	87 / 8 AA	60
Phosphosite 15:	FAM38A	Q92508	S1103	TEAPNAPSTVSSGLG	77 / 9 AA	233
Phosphosite 16:	KCNH6	Q9H252	T74	DFLTGPNTPSSAVSR	75 / 8 AA	110
Phosphosite 17:	CREBBP	Q92793	S889	PAAPTQPSTPVSSSG	77 / 9 AA	265
Phosphosite 18:	HUWE1	Q7Z6Z7	S3000	PPTRTAPSTNSSAPA	77 / 9 AA	482
Phosphosite 19:	MUC6	Q6W4X9	S2092	SPSPSAPSTVSSYVP	77 / 9 AA	252
Phosphosite 20:	ZIMP7	Q8NF64	S767	SFPPTTPSTPTLAEF	75 / 8 AA	97