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:	S277
P-Site Sequence:	SRDRRHRSRSKSPGH
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	S277	SRDRRHRSRSKSPGH	100 / 9 AA	37
Phosphosite 1:	LUC7L2	Q9Y383	S281	REHRRHRSRSMSRER	88 / 9 AA	47
Phosphosite 2:	LUC7L	Q9NQ29	S304	DRHRRHRSRSRSHSR	88 / 9 AA	44
Phosphosite 3:	SRRM1	Q8IYB3	S304	RPRRRHRSRSRSYSP	88 / 9 AA	102
Phosphosite 4:	DHX8	Q14562	S204	DHKRRHRSRSRSRSR	88 / 9 AA	139
Phosphosite 5:	RNPS1	Q15287	S297	PGRRRHRSRSSSNSS	88 / 9 AA	34
Phosphosite 6:	PRPF38A	Q8NAV1	S292	HRSHRHRSHSKSPER	77 / 9 AA	37
Phosphosite 7:	PRPF38A	Q8NAV1	S279	DRRHRSRSKSPGHHR	100 / 7 AA	37
Phosphosite 8:	MYT1L	Q9UL68	T12	TEEKRHRTRSKGVRV	66 / 9 AA	133
Phosphosite 9:	SFRS2B	Q9BRL6	S134	SPRRRHRSRSRGPSC	77 / 9 AA	32
Phosphosite 10:	RSRC2	Q7L4I2	S137	SRERRHRSRSRERKK	87 / 8 AA	51
Phosphosite 11:	PRPF38A	Q8NAV1	S268	KSPRRHRSRSRDRRH	87 / 8 AA	37
Phosphosite 12:	PRPF38B	Q5VTL8	S338	RSRERHRSRSRSRDR	87 / 8 AA	64
Phosphosite 13:	SRRM3	A6NNA2	S226	RRKRRHRSRSSKCKR	100 / 7 AA	65
Phosphosite 14:	RSRC2	Q7L4I2	S63	NEGRKHRSRSRSKEG	77 / 9 AA	51
Phosphosite 15:	PRPF38B	Q5VTL8	S437	SRERKHRSRSRSRNA	77 / 9 AA	64
Phosphosite 16:	EPB41L4A	Q9HCS5	S540	SRRSRHRSRSRSPDI	87 / 8 AA	69
Phosphosite 17:	SRRM2	Q9UQ35	S1804	TSRRRQRSRSRSRVT	77 / 9 AA	300
Phosphosite 18:	NEBL	O76041	S881	SHYRRHWSRSHSSST	77 / 9 AA	116
Phosphosite 19:	PHRF1	Q9P1Y6	S1047	ERPRRQRSKAKSRRS	66 / 9 AA	179
Phosphosite 20:	SFRS4	Q08170	S296	RSPSRHKSKSKSRSR	75 / 8 AA	57