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:	T582
P-Site Sequence:	VRPTAPSTPSSRPPR
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	T582	VRPTAPSTPSSRPPR	100 / 9 AA	72
Phosphosite 1:	MUC5AC	P98088	T2762	TPVTAPSTPSGRATS	88 / 9 AA	527
Phosphosite 2:	MUC5AC	P98088	T2232	TPVTAPSTPSGRAIS	88 / 9 AA	527
Phosphosite 3:	XKR4	Q5GH76	S581	QVRPTAPSTPSSRPP	100 / 8 AA	72
Phosphosite 4:	SOS2	Q07890	T1265	SPSTPPSTPSPRVPR	77 / 9 AA	153
Phosphosite 5:	C20orf175	Q96MK2	T349	YNWTPPSTPSFRERY	77 / 9 AA	105
Phosphosite 6:	ATP2A3	Q93084	T538	GSRTAPLTPTSREQI	77 / 9 AA	114
Phosphosite 7:	MUC5AC	P98088	S2761	STPVTAPSTPSGRAT	87 / 8 AA	527
Phosphosite 8:	MUC5AC	P98088	S2231	STPVTAPSTPSGRAI	87 / 8 AA	527
Phosphosite 9:	OPTC	Q9UBM4	T100	KSTTAPGTPSSNPTM	87 / 8 AA	37
Phosphosite 10:	XKR4	Q5GH76	S584	PTAPSTPSSRPPRIE	100 / 7 AA	72
Phosphosite 11:	CMYA5	Q8N3K9	T3806	IFRTAPSTPVIRAED	77 / 9 AA	449
Phosphosite 12:	CACNA1C	Q13936	T2041	PFATPPATPGSRGWP	66 / 9 AA	249
Phosphosite 13:	MUC5AC	P98088	S2234	VTAPSTPSGRAISPT	85 / 7 AA	527
Phosphosite 14:	CORO7	P57737	T440	SSLTSPSTPSSLGPS	87 / 8 AA	101
Phosphosite 15:	CORO7	P57737	S439	PSSLTSPSTPSSLGP	87 / 8 AA	101
Phosphosite 16:	MUC5AC	P98088	S2764	VTAPSTPSGRATSPT	85 / 7 AA	527
Phosphosite 17:	SNTG2	Q9NY99	S201	SSTTAPSSPSSPIAK	87 / 8 AA	60
Phosphosite 18:	SNTG2	Q9NY99	S200	NSSTTAPSSPSSPIA	87 / 8 AA	60
Phosphosite 19:	SIPA1L1	O43166	T1575	SPFPSTPTSRRALHR	85 / 7 AA	200
Phosphosite 20:	SIPA1L1	O43166	T1573	PQSPFPSTPTSRRAL	85 / 7 AA	200