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:	S559
P-Site Sequence:	VVRLCAKSREAIDSP
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	S559	VVRLCAKSREAIDSP	100 / 9 AA	124
Phosphosite 1:	ARHGAP20	Q9P2F6	S1139	RLKLCMKSHEEIEPG	66 / 9 AA	133
Phosphosite 2:	PPP1CB	P62140	S41	VRGLCIKSREIFLSQ	85 / 7 AA	37
Phosphosite 3:	HYDIN	Q4G0P3	S2835	GPLLCGKSRDKYKSS	71 / 7 AA	576
Phosphosite 4:	PPP1CA	P62136	S42	IRGLCLKSREIFLSQ	66 / 9 AA	38
Phosphosite 5:	PPP1CC	P36873	S42	IRGLCLKSREIFLSQ	66 / 9 AA	37
Phosphosite 6:	NLRX1	Q86UT6	S570	FGRMVGKSREAVAQA	55 / 9 AA	108
Phosphosite 7:	DTNBP1	Q96EV8	S27	LKTLSDKSREAKVKS	75 / 8 AA	39
Phosphosite 8:	IQCG	Q9H095	S96	RQSICVKSREMNLEG	71 / 7 AA	52
Phosphosite 9:	SYNE1	Q8NF91	S2797	LHRLIAKSRELYEKT	85 / 7 AA	1011
Phosphosite 10:	POLI	Q9UNA4	S523	EEILSGKSREKFQGK	71 / 7 AA	80
Phosphosite 11:	RSC1A1	Q92681	S463	DKEGVPKSRESINKN	62 / 8 AA	67
Phosphosite 12:	GIDRP88	Q7Z5L2	S616	ELSGNTKSRESIQEP	71 / 7 AA	88
Phosphosite 13:	SPOCD1	Q6ZMY3	S390	PADTCASSREPLGGL	62 / 8 AA	130
Phosphosite 14:	DTNA	Q9Y4J8	S312	KSLSCASSREPLHPM	62 / 8 AA	84
Phosphosite 15:	KCTD8	Q6ZWB6	S420	FQTLISKSRETNLSK	62 / 8 AA	52
Phosphosite 16:	ZNF419	Q96HQ0	S192	KSHRSSKSREAFHAG	62 / 8 AA	59
Phosphosite 17:	ZNF773	Q6PK81	S180	KSHRSSKSREAFHAG	62 / 8 AA	51
Phosphosite 18:	F8	P00451	T457	YTDETFKTREAIQHE	83 / 6 AA	267
Phosphosite 19:	ARID1A	O14497	S1930	TEDGAKSSEAIKESS	85 / 7 AA	242
Phosphosite 20:	C11orf88	Q6PI97	T116	KYLQKAKTREEILQL	71 / 7 AA	19