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:	PRPF4
Human P-Site:	Y369
P-Site Sequence:	EGHSMGVYDIAFHQD
UniProt:	O43172
Intern. Prot. ID:	IPI00150269

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PRPF4	O43172	Y369	EGHSMGVYDIAFHQD	100 / 9 AA	58
Phosphosite 1:	WDR68	P61962	Y178	IAHDKEVYDIAFSRA	75 / 8 AA	39
Phosphosite 2:	Cas-L	Q14511	Y214	EIKPQGVYDIPPTKG	62 / 8 AA	93
Phosphosite 3:	Cas-L	Q14511	Y189	SHTTQGVYDIPPSSA	62 / 8 AA	93
Phosphosite 4:	URB1	O60287	Y192	KRDSKGVYDVRQAYV	71 / 7 AA	254
Phosphosite 5:	CIAO1	O76071	Y256	GFHSRTIYDIAWCQL	55 / 9 AA	38
Phosphosite 6:	Cas-L	Q14511	Y261	DLRPEGVYDIPPTCT	83 / 6 AA	93
Phosphosite 7:	MAGEA4	P43358	Y232	ELGVMGVYDGREHTV	100 / 5 AA	35
Phosphosite 8:	GAN	Q9H2C0	Y394	ELISMECYDIYSKTW	71 / 7 AA	68
Phosphosite 9:	FAM72B	Q86X60	Y110	MFHSQAVYDINRLDS	71 / 7 AA	17
Phosphosite 10:	FAM72D	Q6L9T8	Y110	MFHSQAVYDINRLDS	71 / 7 AA	17
Phosphosite 11:	FAM72A	Q5TYM5	Y110	MFHSQAVYDINRLDS	71 / 7 AA	17
Phosphosite 12:	G2	Q6ZVL6	Y382	SPSSMDVYDSLTIGD	83 / 6 AA	199
Phosphosite 13:	RFT1	Q96AA3	Y278	NFGDQGVYDIVNNLG	83 / 6 AA	60
Phosphosite 14:	EWS	Q01844	S274	FRQDHPSSMGVYGQE	100 / 5 AA	68
Phosphosite 15:	UBE2O	Q9C0C9	Y643	EEEDVSVYDIADHPD	71 / 7 AA	141
Phosphosite 16:	EWS	Q01844	Y278	HPSSMGVYGQESGGF	83 / 6 AA	68
Phosphosite 17:	nNOS	P29475	Y796	KVMSMEEYDIVHLEH	55 / 9 AA	161
Phosphosite 18:	Cas-L	Q14511	Y345	PQERDGVYDVPLHNP	57 / 7 AA	93
Phosphosite 19:	AGPS	O00116	Y485	LQHEKQVYDIAAKFG	71 / 7 AA	73
Phosphosite 20:	POLR2B	P30876	Y736	GKQAMGVYITNFHVR	55 / 9 AA	134