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:	CSTF3
Human P-Site:	S539
P-Site Sequence:	DLYPCSASELKALGY
UniProt:	Q12996
Intern. Prot. ID:	IPI00015195

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CSTF3	Q12996	S539	DLYPCSASELKALGY	100 / 9 AA	83
Phosphosite 1:	ATR	Q13535	S756	SQHECSSSQLKASVC	75 / 8 AA	301
Phosphosite 2:	SYT15	Q9BQS2	S107	PWDPCPASELLPHTS	85 / 7 AA	47
Phosphosite 3:	C3orf56	Q8N813	S205	APLPCCSSELRPLPP	55 / 9 AA	26
Phosphosite 4:	ANXA2	P07355	S112	TPAQYDASELKASMK	66 / 9 AA	39
Phosphosite 5:	ANXA2P2	A6NMY6	S112	TPAQYDASELKASMK	66 / 9 AA	39
Phosphosite 6:	C3orf56	Q8N813	S204	WAPLPCCSSELRPLP	62 / 8 AA	26
Phosphosite 7:	MBD5	Q9P267	S733	SNTALPCSANQLHFT	71 / 7 AA	160
Phosphosite 8:	RPRD2	Q5VT52	S1144	SFDNGPSSASELASL	85 / 7 AA	156
Phosphosite 9:	KIAA0232	Q92628	S1112	RTHFRPISASELSPG	85 / 7 AA	155
Phosphosite 10:	FAM117B	Q6P1L5	S432	GSEESPCSADDLLVD	71 / 7 AA	62
Phosphosite 11:	ZFYVE9	O95405	S244	LASVCSPSQLKDDGS	71 / 7 AA	156
Phosphosite 12:	TAO2	Q9UL54	S941	HLRPCPASQLPGLLS	71 / 7 AA	138
Phosphosite 13:	DYM	Q7RTS9	S47	SFPAPTSSSELKLLE	75 / 8 AA	76
Phosphosite 14:	STARD9	Q9P2P6	S4005	HLSPCPVSELTDTAG	62 / 8 AA	507
Phosphosite 15:	RPRD2	Q5VT52	S1146	DNGPSSASELASLGG	85 / 7 AA	156
Phosphosite 16:	DYM	Q7RTS9	S48	FPAPTSSSELKLLEE	75 / 8 AA	76
Phosphosite 17:	RNF169	Q8NCN4	S532	PLETCCSSELKGGGS	62 / 8 AA	77
Phosphosite 18:	NAPEPLD	Q6IQ20	T171	RFRRSPCTISELPPI	71 / 7 AA	46
Phosphosite 19:	C7orf47	Q8TAP8	S8	MMMGCGESELKSADG	62 / 8 AA	28
Phosphosite 20:	VPS37A	Q8NEZ2	S328	LSESCSASALQARLK	66 / 9 AA	44