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:	PRPF38B
Human P-Site:	S419
P-Site Sequence:	HRDDKRDSKKEKKHS
UniProt:	Q5VTL8
Intern. Prot. ID:	IPI00018098

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PRPF38B	Q5VTL8	S419	HRDDKRDSKKEKKHS	100 / 9 AA	64
Phosphosite 1:	MLL	Q03164	S888	EKENKRESRKEKRKK	66 / 9 AA	432
Phosphosite 2:	ZNF323	Q96LW9	S224	RETCKRDSKAEKQQA	87 / 8 AA	47
Phosphosite 3:	SKAP55	Q86WV1	S172	APHLRRDSKKESCFE	85 / 7 AA	41
Phosphosite 4:	CLASP2	O75122	S967	NEPLKRDSKKDDGDS	85 / 7 AA	141
Phosphosite 5:	NEFH	P12036	S865	KTEEKKDSKKEEAPK	75 / 8 AA	112
Phosphosite 6:	MICAL2	O94851	S74	YKLDKRGSHKEYKRG	75 / 8 AA	127
Phosphosite 7:	CNKSR2	Q8WXI2	S462	PNKMKRDSRRENSLL	62 / 8 AA	117
Phosphosite 8:	ANK2	Q01484	Y2578	EAKQKRDYKKEPKQE	75 / 8 AA	430
Phosphosite 9:	DCLRE1B	Q9H816	S370	QSQADRDSKKAKKEK	85 / 7 AA	60
Phosphosite 10:	LPIN2	Q92539	S166	RKKYKQDSKKEEQAA	85 / 7 AA	99
Phosphosite 11:	SPEN	Q96T58	S1049	KEILKRESKKIKLDR	75 / 8 AA	402
Phosphosite 12:	USP31	Q70CQ4	S1219	KSGLKRDSKSEDKGL	85 / 7 AA	147
Phosphosite 13:	KDELC1	Q6UW63	S312	AVWRGRDSRKERLEL	71 / 7 AA	58
Phosphosite 14:	RICH2	Q17R89	S809	SVTDKRDSEEESEST	75 / 8 AA	89
Phosphosite 15:	PIP5KG	O60331	S264	STYKRRASKKEKEKS	75 / 8 AA	73
Phosphosite 16:	LRRC43	Q8N309	S605	RLTLARDSKKIKKVA	85 / 7 AA	73
Phosphosite 17:	SH3RF1	Q7Z6J0	S712	ATKPDKDSKKEKKGL	85 / 7 AA	93
Phosphosite 18:	BDP1	A6H8Y1	S1373	PVEEKRNSEKEVSSH	62 / 8 AA	294
Phosphosite 19:	SYBU	Q9NX95	S7	_MGPLRESKKEHRVQ	83 / 6 AA	72
Phosphosite 20:	ASIP	P42127	S73	AAEKKRSSKKEASMK	85 / 7 AA	15