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:	S31
P-Site Sequence:	LGADTQGSEFEFTDF
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	S31	LGADTQGSEFEFTDF	100 / 9 AA	124
Phosphosite 1:	TTN	Q8WZ42	S27763	ISGLTQNSQYEFRVF	62 / 8 AA	3816
Phosphosite 2:	UPF1	Q92900	T28	AELLGADTQGSEFEF	100 / 6 AA	124
Phosphosite 3:	KLHL34	Q8N239	S38	VTLETEGSEFPAHRS	71 / 7 AA	71
Phosphosite 4:	AGBL4	Q5VU57	S62	LGRVDQVSEFEYDLF	71 / 7 AA	62
Phosphosite 5:	GDI2	P50395	S427	IYKRMTGSEFDFEEM	83 / 6 AA	51
Phosphosite 6:	CELSR2	Q9HCU4	S2914	VDEDSSGSEFLFFNF	66 / 9 AA	317
Phosphosite 7:	IL17R	Q96F46	S859	SGWDTMGSESEGPSA	75 / 8 AA	96
Phosphosite 8:	ZNF768	Q9H5H4	S160	NTELKTQSPEFEAQS	71 / 7 AA	60
Phosphosite 9:	ANKRD50	Q9ULJ7	S1251	QSHNSPSSEFEWSQV	44 / 9 AA	150
Phosphosite 10:	TBC1D29	Q9UFV1	S14	EGLCTQGSSFSWLLR	62 / 8 AA	16
Phosphosite 11:	CDK5RAP2	Q96SN8	S1428	KQLERQGSEFVQGST	71 / 7 AA	215
Phosphosite 12:	SOX11	P35716	S409	FSEGSLGSHFEFPDY	55 / 9 AA	47
Phosphosite 13:	HTATSF1	O43719	S600	EENDSENSEFEDDGS	62 / 8 AA	86
Phosphosite 14:	RNF219	Q5W0B1	S574	LSKSSQGSEFLEEPD	83 / 6 AA	81
Phosphosite 15:	PDZD8	Q8NEN9	S585	VSKPTQGSAFKPPVP	83 / 6 AA	129
Phosphosite 16:	NCX1	P32418	S455	DGTANAGSDYEFTEG	66 / 6 AA	109
Phosphosite 17:	PPIG	Q13427	S122	RGKDTNGSQFFITTK	71 / 7 AA	89
Phosphosite 18:	PPIC	P45877	S144	AGPDTNGSQFFITLT	71 / 7 AA	23
Phosphosite 19:	PPIB	P23284	S150	AGKDTNGSQFFITTV	71 / 7 AA	24
Phosphosite 20:	NPHP1	O15259	S289	TVEDTNGSETGFRAW	66 / 9 AA	83