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:	PRPF38A
Human P-Site:	S270
P-Site Sequence:	PRRHRSRSRDRRHRS
UniProt:	Q8NAV1
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PRPF38A	Q8NAV1	S270	PRRHRSRSRDRRHRS	100 / 9 AA	37
Phosphosite 1:	CROP	O95232	S347	ERKHRSRSRDRRRSK	100 / 9 AA	51
Phosphosite 2:	RBM23	Q86U06	S104	QCRHRSRSWDRRHGS	88 / 9 AA	49
Phosphosite 3:	RSRC2	Q7L4I2	S139	ERRHRSRSRERKKSR	77 / 9 AA	51
Phosphosite 4:	CROP	O95232	S367	SYKHRSKSRDREQDR	87 / 8 AA	51
Phosphosite 5:	CPSF6	Q16630	S513	SRRHKSRSRDRHDDY	87 / 8 AA	59
Phosphosite 6:	SON	P18583	S1901	SPKHRSKSRERKRKR	66 / 9 AA	264
Phosphosite 7:	ACIN1	Q9UKV3	S1180	GPRSRSRSRDRRRKE	100 / 8 AA	152
Phosphosite 8:	SFRS18	Q8TF01	S636	NRASRSRSRDRRKID	100 / 8 AA	93
Phosphosite 9:	SFRS18	Q8TF01	S623	RRRSRSRSRDRRTNR	100 / 8 AA	93
Phosphosite 10:	RBM39	Q14498	S86	RRRSRSRSRDRRFRG	100 / 8 AA	59
Phosphosite 11:	SFRS15	O95104	S466	HRRSRSRSRDRRRHS	100 / 8 AA	126
Phosphosite 12:	ANK3	Q12955	S32	KRKHRKRSRDRKKKS	77 / 9 AA	480
Phosphosite 13:	LUC7L	Q9NQ29	S272	RDRRRSRSRDRRRRR	88 / 9 AA	44
Phosphosite 14:	DDX46	Q7L014	S87	RERRRSRSRDRRRSR	88 / 9 AA	117
Phosphosite 15:	U2AF2	P26368	S43	DRKRRSRSRDRRNRD	88 / 9 AA	54
Phosphosite 16:	SNRNP70	P08621	S259	RERRRSRSRDRRRRS	88 / 9 AA	52
Phosphosite 17:	CROP	O95232	S345	RSERKHRSRSRDRRR	100 / 7 AA	51
Phosphosite 18:	CROP	O95232	S327	RERRRSRSRDRRRSR	88 / 9 AA	51
Phosphosite 19:	PRPF38A	Q8NAV1	S268	KSPRRHRSRSRDRRH	100 / 7 AA	37
Phosphosite 20:	PAGE3	Q5JUK9	S11	HQRTRSRSRERRDDQ	87 / 8 AA	12