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:	S277
P-Site Sequence:	KSKDRKKSPIINESR
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	S277	KSKDRKKSPIINESR	100 / 9 AA	117
Phosphosite 1:	SLC7A1	P30825	T384	NVNDRTKTPIIATLA	75 / 8 AA	68
Phosphosite 2:	MAGEF1	Q9HAY2	S95	LVKDKKKSPITRSEM	75 / 8 AA	35
Phosphosite 3:	SCHIP1	Q9P0W5	S393	EKQNRKKSPVADLLP	55 / 9 AA	53
Phosphosite 4:	SFRS18	Q8TF01	S211	SFRDRQRSPIALPVK	71 / 7 AA	93
Phosphosite 5:	C1orf141	Q5JVX7	S142	DRNKRKKSPQMNDFN	75 / 8 AA	46
Phosphosite 6:	RIMS2	Q9UQ26	S267	IASDRKRSPSVSRDQ	55 / 9 AA	160
Phosphosite 7:	SLC7A1	P30825	T382	LANVNDRTKTPIIAT	71 / 7 AA	68
Phosphosite 8:	TTBK1	Q5TCY1	S847	SPGDMKKSPVTAELA	62 / 8 AA	143
Phosphosite 9:	C21orf25	Q9Y426	T512	KSPRKKSTIIISGIS	85 / 7 AA	76
Phosphosite 10:	INTS8	Q75QN2	S485	VDQMRKRSPRVNLCI	62 / 8 AA	113
Phosphosite 11:	TSSK2	Q96PF2	T48	KIIDRKKTPTDFVER	71 / 7 AA	41
Phosphosite 12:	BRP44L	Q9Y5U8	S47	AINDMKKSPEIISGR	75 / 8 AA	12
Phosphosite 13:	MARK1	Q9P0L2	S485	VGPERKKSSTIPSNN	62 / 8 AA	89
Phosphosite 14:	FAM127B	Q9BWD3	S88	IPYIRKESPLLNDYR	62 / 8 AA	13
Phosphosite 15:	ZCCHC2	Q9C0B9	S513	HKKHTGKSPIVNNIG	83 / 6 AA	126
Phosphosite 16:	C21orf25	Q9Y426	S511	LKSPRKKSTIIISGI	85 / 7 AA	76
Phosphosite 17:	APLF	Q8IW19	S131	ILNETPKSPVINLPH	55 / 9 AA	57
Phosphosite 18:	EIF5B	O60841	S767	RLYDWKKSPDSDVAA	83 / 6 AA	139
Phosphosite 19:	MMP19	Q99542	S259	QALYGKKSPVIRDEE	83 / 6 AA	57
Phosphosite 20:	FNDC4	Q9H6D8	S226	VGTRQKKSPSINTID	75 / 8 AA	25