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:	UPF3A
Human P-Site:	S423
P-Site Sequence:	RAQRCDDSPAPRKER
UniProt:	Q9H1J1
Intern. Prot. ID:	IPI00011138

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	UPF3A	Q9H1J1	S423	RAQRCDDSPAPRKER	100 / 9 AA	55
Phosphosite 1:	NRD1	O43847	S39	TRGRCEDSAAARPFP	66 / 9 AA	132
Phosphosite 2:	ADAMTSL3	P82987	S628	LLEACDESPASRELD	75 / 8 AA	189
Phosphosite 3:	SELO	Q9BVL4	S26	PLGRCSPSPAPRSTL	77 / 9 AA	73
Phosphosite 4:	C17orf100	A8MU93	S101	TSLHCAESPTPRPSR	55 / 9 AA	18
Phosphosite 5:	SAMHD1	Q9Y3Z3	S18	KRPRCDDSPRTPSNT	100 / 6 AA	72
Phosphosite 6:	NBPF5	Q86XG9	S187	EVEKVQESPAPREVQ	55 / 9 AA	41
Phosphosite 7:	NBPF6	Q5VWK0	S187	EVEKVQESPAPREVQ	55 / 9 AA	72
Phosphosite 8:	NBPF7	P0C2Y1	S205	ELDKVQESPAPREEQ	55 / 9 AA	48
Phosphosite 9:	MCM10	Q7L590	S644	DVLFYDESPPPRPKL	62 / 8 AA	98
Phosphosite 10:	CBFA2T2	O43439	S264	AKRVCTISPAPRHSP	75 / 8 AA	67
Phosphosite 11:	OTOP1	Q7RTM1	S41	SAPRSPESPAPRRGG	66 / 9 AA	67
Phosphosite 12:	KIAA1931	Q96PV7	S730	QAKKSEASPAPRPPA	55 / 9 AA	97
Phosphosite 13:	ETAA1	Q9NY74	S10	RRRKHDDSPSPKKTP	55 / 9 AA	103
Phosphosite 14:	LTBP4	Q8N2S1	S981	GSQRCENSPGSYRCV	50 / 8 AA	173
Phosphosite 15:	LTBP4	Q8N2S1	S606	APGRCENSPGSFRCV	50 / 8 AA	173
Phosphosite 16:	ZNF24	P17028	S63	RQFGYQDSPGPREAV	62 / 8 AA	42
Phosphosite 17:	MNX1	P50219	S389	DCSSEDDSPPPRPSH	85 / 7 AA	41
Phosphosite 18:	BHLHB3	Q9C0J9	S274	QEPPGEDSPAPKRMK	71 / 7 AA	50
Phosphosite 19:	SPTBN4	Q9NRC6	S2496	LRAQMDTSPAPRSPV	85 / 7 AA	417
Phosphosite 20:	MYO15A	Q9UKN7	S823	RPRSLQESPAPRRAA	71 / 7 AA	395