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:	UPF1
Human P-Site:	S218
P-Site Sequence:	QPCASQSSLKDINWD
UniProt:	Q92900
Intern. Prot. ID:	IPI00034049

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	UPF1	Q92900	S218	QPCASQSSLKDINWD	100 / 9 AA	124
Phosphosite 1:	SIPA1L1	O43166	S1650	EFSASDSSLTDIQET	77 / 9 AA	200
Phosphosite 2:	ZBTB44	Q8NCP5	S312	QPVSASQSSLSDQQT	87 / 8 AA	64
Phosphosite 3:	ZBTB44	Q8NCP5	S313	PVSASQSSLSDQQTV	87 / 8 AA	64
Phosphosite 4:	RNF17	Q9BXT8	S577	QPLAQPCSLKDIVPQ	66 / 9 AA	185
Phosphosite 5:	MCTP2	Q6DN12	S501	QRYCLQNSLKDVKDV	71 / 7 AA	100
Phosphosite 6:	XRCC2	O43543	S23	ARLEGRSSLKEIEPN	55 / 9 AA	32
Phosphosite 7:	PTPN23	Q9H3S7	S455	VFTDVEASLKDIRDL	71 / 7 AA	179
Phosphosite 8:	KIF23	Q02241	T20	TVKKGSQTNLKDPVG	62 / 8 AA	110
Phosphosite 9:	ARIH1	Q9Y4X5	S517	ERDISQDSLQDIKQK	75 / 8 AA	64
Phosphosite 10:	RNF214	Q8ND24	S107	LSGSGSQSDLKDVAS	75 / 8 AA	78
Phosphosite 11:	PSD2	Q9BQI7	S277	LNSASDPSLKDGLSD	75 / 8 AA	85
Phosphosite 12:	Ets-2	P15036	S301	QSWNSQSSLLDVQRV	75 / 8 AA	53
Phosphosite 13:	SHOX	O15266	S55	ELGTSDSSLQDITEG	66 / 9 AA	32
Phosphosite 14:	PMS1	P54277	S646	IEQESQMSLKDGRKK	75 / 8 AA	106
Phosphosite 15:	ZUFSP	Q96AP4	T140	REKQSSLTEIKGSVY	71 / 7 AA	66
Phosphosite 16:	HLTF	Q14527	S592	TGTPIQNSLKDLWSL	71 / 7 AA	114
Phosphosite 17:	ZZZ3	Q8IYH5	S310	PFSETQSSLRDSEEE	62 / 8 AA	102
Phosphosite 18:	ZZZ3	Q8IYH5	S309	GPFSETQSSLRDSEE	62 / 8 AA	102
Phosphosite 19:	ZUFSP	Q96AP4	S138	KSREKQSSLTEIKGS	71 / 7 AA	66
Phosphosite 20:	SATL1	Q86VE3	S64	SQPDANQSSLSDSNQ	75 / 8 AA	56