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:	S223
P-Site Sequence:	KSKERKKSKSPSKRS
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	S223	KSKERKKSKSPSKRS	100 / 9 AA	117
Phosphosite 1:	CACNA1E	Q15878	S2119	ESPERRQSRSPSEGR	66 / 9 AA	262
Phosphosite 2:	RSRC2	Q7L4I2	S145	RSRERKKSRSRSRER	77 / 9 AA	51
Phosphosite 3:	RBM39	Q14498	S66	RDRERKKSKSRERKR	100 / 7 AA	59
Phosphosite 4:	SFRS12	Q8WXA9	S235	RQKDRRRSKSPHKKR	62 / 8 AA	59
Phosphosite 5:	SFRS17A	Q02040	S683	RRSERSRSRSPSRHR	66 / 9 AA	81
Phosphosite 6:	PRPF38B	Q5VTL8	S260	RHVERRRSRSPRRSL	62 / 8 AA	64
Phosphosite 7:	PRPF38A	Q8NAV1	S260	PRRERHRSKSPRRHR	75 / 8 AA	37
Phosphosite 8:	RICS	A7KAX9	S900	PKIGRKLSKSPSMSI	77 / 9 AA	231
Phosphosite 9:	SRRM1	Q8IYB3	S177	RSPRRRKSRSPSPRR	75 / 8 AA	102
Phosphosite 10:	IQCH	Q86VS3	T883	VPKERKKTKCMSALS	66 / 9 AA	117
Phosphosite 11:	SPATA6	Q9NWH7	S191	SRSQKKKSKSPERSK	75 / 8 AA	56
Phosphosite 12:	ABCA6	Q8N139	S249	VTKERKKSKNLMKMM	85 / 7 AA	184
Phosphosite 13:	SFRS12	Q8WXA9	S251	KSRERRKSRSRSHSR	66 / 9 AA	59
Phosphosite 14:	ARPP-21	Q9UBL0	S56	QNQERRKSKSGAGKG	85 / 7 AA	89
Phosphosite 15:	ATAD2B	Q9ULI0	S350	ERFERRKSKSMARAR	85 / 7 AA	165
Phosphosite 16:	MCM3AP	O60318	S1723	RTYCRWKSKSPSPVH	87 / 8 AA	218
Phosphosite 17:	PRPF4B	Q13523	S225	KERKKSKSPSKRSKS	100 / 7 AA	117
Phosphosite 18:	SRRM1	Q8IYB3	S207	SPRHRTKSRSPSPAP	75 / 8 AA	102
Phosphosite 19:	RBM39	Q14498	S38	RSKKRKKSKSRSRSH	87 / 8 AA	59
Phosphosite 20:	KIAA0753	Q2KHM9	S149	HRVERKESKSQAACQ	66 / 9 AA	109