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:	S852
P-Site Sequence:	DITPYLVSRFYRAPE
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	S852	DITPYLVSRFYRAPE	100 / 9 AA	117
Phosphosite 1:	JNK3	P53779	T226	MMTPYVVTRYYRAPE	66 / 9 AA	53
Phosphosite 2:	JNK2	P45984	T188	MMTPYVVTRYYRAPE	66 / 9 AA	48
Phosphosite 3:	JNK1	P45983	T188	MMTPYVVTRYYRAPE	66 / 9 AA	48
Phosphosite 4:	OVOS1	Q6IE37	S400	LDAHFLVSRFYSRTN	75 / 8 AA	134
Phosphosite 5:	OVOS2	Q6IE36	S428	LDAHFLVSRFYSRTN	75 / 8 AA	156
Phosphosite 6:	DYRK1B	Q9Y463	S276	RIYQYIQSRFYRSPE	66 / 9 AA	69
Phosphosite 7:	DYRK1A	Q13627	S324	RIYQYIQSRFYRSPE	66 / 9 AA	86
Phosphosite 8:	DYRK4	Q9NR20	S267	KVYTYIQSRFYRSPE	75 / 8 AA	60
Phosphosite 9:	DYRK2	Q92630	S385	RVYTYIQSRFYRAPE	75 / 8 AA	67
Phosphosite 10:	DYRK3	O43781	S372	KLYTYIQSRFYRAPE	75 / 8 AA	66
Phosphosite 11:	HIPK3	Q9H422	S362	VCSTYLQSRYYRAPE	75 / 8 AA	134
Phosphosite 12:	HIPK2	Q9H2X6	S364	VCSTYLQSRYYRAPE	75 / 8 AA	131
Phosphosite 13:	HIPK1	Q86Z02	S355	VCSTYLQSRYYRAPE	75 / 8 AA	131
Phosphosite 14:	PRPF4B	Q13523	Y855	PYLVSRFYRAPEIII	100 / 6 AA	117
Phosphosite 15:	PRPF4B	Q13523	Y849	ADNDITPYLVSRFYR	100 / 6 AA	117
Phosphosite 16:	GSK3B	P49841	S219	PNVSYICSRYYRAPE	55 / 9 AA	47
Phosphosite 17:	GSK3A	P49840	S282	PNVSYICSRYYRAPE	55 / 9 AA	51
Phosphosite 18:	COL6A1	P12109	Y927	LGYVTRFYREASSGA	83 / 6 AA	109
Phosphosite 19:	POLD1	P28340	Y405	IQNFDLPYLISRAQT	83 / 6 AA	124
Phosphosite 20:	PTGER3	P43115	S76	AMLLVSRSYRRRESK	85 / 7 AA	43