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:	PRPF4B
Human P-Site:	S285
P-Site Sequence:	PIINESRSRDRGKKS
UniProt:	Q13523
Intern. Prot. ID:	IPI00013721

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PRPF4B	Q13523	S285	PIINESRSRDRGKKS	100 / 9 AA	117
Phosphosite 1:	PRPF4B	Q13523	S283	KSPIINESRSRDRGK	100 / 7 AA	117
Phosphosite 2:	PNN	Q9H307	S633	SSSSESRSRSRGRGH	77 / 9 AA	82
Phosphosite 3:	U2AF1	Q01081	S206	SRERRSRSRDRGRGG	100 / 7 AA	28
Phosphosite 4:	SFRS3	P84103	S87	LSNGEKRSRNRGPPP	75 / 8 AA	19
Phosphosite 5:	CPSF6	Q16630	S513	SRRHKSRSRDRHDDY	75 / 8 AA	59
Phosphosite 6:	OR2G2	Q8NGZ5	S270	LQPAKSRSRDQGKFV	85 / 7 AA	36
Phosphosite 7:	RBM23	Q86U06	S113	DRRHGSESRSRDHRR	85 / 7 AA	49
Phosphosite 8:	RBM23	Q86U06	S115	RHGSESRSRDHRRED	75 / 8 AA	49
Phosphosite 9:	TNRC6A	Q8NDV7	S692	KGTGESQSRDRRKID	85 / 7 AA	210
Phosphosite 10:	SON	P18583	S1845	KRTSESRSRARKRSS	75 / 8 AA	264
Phosphosite 11:	NGLY1	Q96IV0	S259	KCGGQTRSRDRSLLP	71 / 7 AA	74
Phosphosite 12:	SNRNP35	Q16560	T198	ERHWDSRTRDRDHDR	62 / 8 AA	29
Phosphosite 13:	DNAJA2	O60884	S104	FGFMGNQSRSRNGRR	71 / 7 AA	46
Phosphosite 14:	WDR60	Q8WVS4	S66	DPDQDARSRDRVAEV	71 / 7 AA	123
Phosphosite 15:	ACIN1	Q9UKV3	S639	RSTSESRSRSRSRSR	66 / 9 AA	152
Phosphosite 16:	SFRS16	Q8N2M8	S313	ESSSESRSRSRSPTP	66 / 9 AA	77
Phosphosite 17:	ARID1B	Q8NFD5	S1912	LLEDEPRSRDETPLC	71 / 7 AA	236
Phosphosite 18:	NPFFR2	Q9Y5X5	S75	AKSSWSRSRDRTCCC	100 / 6 AA	60
Phosphosite 19:	RDBP	P18615	S187	ASPPRSRSRDRSHER	85 / 7 AA	43
Phosphosite 20:	SMG1	Q96Q15	S43	GNLKYSSSRDRGGSS	85 / 7 AA	410