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:	S422
P-Site Sequence:	RPRDDILSRRERSKD
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	S422	RPRDDILSRRERSKD	100 / 9 AA	117
Phosphosite 1:	ZNF552	Q9H707	S228	FSTKDILSQHERLLP	75 / 8 AA	46
Phosphosite 2:	FLJ21144	Q9H790	S71	KRGLDILSPMERFHL	75 / 8 AA	42
Phosphosite 3:	piccolo	Q9Y6V0	T1435	SEFVDDITTRREPYD	75 / 8 AA	567
Phosphosite 4:	KIAA0586	Q9BVV6	S343	VSRDDELSKRENLLE	75 / 8 AA	169
Phosphosite 5:	TSEN54	Q7Z6J9	S349	NQRKENLSRREREHH	75 / 8 AA	59
Phosphosite 6:	NLRP1	Q9C000	S400	APIRQILSRPERLLF	75 / 8 AA	166
Phosphosite 7:	SNRNP200	O75643	S1436	PEKWDILSRRWKQRK	100 / 6 AA	245
Phosphosite 8:	RTKN	Q9BST9	T469	AAVTDILTQREGARL	71 / 7 AA	63
Phosphosite 9:	KNL2	Q6P0N0	S628	VSIDILTSREQFFSD	62 / 8 AA	129
Phosphosite 10:	NOL9	Q5SY16	S30	ARPQLILSRRPRRRL	85 / 7 AA	79
Phosphosite 11:	CEP110	Q7Z7A1	S583	SRLDEILSRIAKETE	55 / 9 AA	269
Phosphosite 12:	TRIM27	P14373	S256	QDIGDTLSRAERIRI	66 / 9 AA	58
Phosphosite 13:	KNL2	Q6P0N0	T627	DVSIDILTSREQFFS	62 / 8 AA	129
Phosphosite 14:	PDAP1	Q13442	S108	LDGPKELSRREREEI	100 / 6 AA	21
Phosphosite 15:	FCHO1	O14526	S295	AFRLPGLSRREREPE	100 / 6 AA	97
Phosphosite 16:	CALCOCO1	Q9P1Z2	S220	TEERDILSRQQGDHV	71 / 7 AA	77
Phosphosite 17:	NAT11	Q86UY6	S215	DCSYEILSRRTKFGD	83 / 6 AA	27
Phosphosite 18:	SYNE1	Q8NF91	S2204	SIWDDVLSTRDEIEG	62 / 8 AA	1011
Phosphosite 19:	AADAT	Q8N5Z0	S176	DSLRDILSRWKPEDA	83 / 6 AA	47
Phosphosite 20:	TXNL4B	Q9NX01	S46	LQLDDILSKTSSDLS	83 / 6 AA	17