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:	CSTF1
Human P-Site:	S377
P-Site Sequence:	LPDERTISLCCWDSR
UniProt:	Q05048
Intern. Prot. ID:	IPI00011528

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CSTF1	Q05048	S377	LPDERTISLCCWDSR	100 / 9 AA	48
Phosphosite 1:	NUDT21	O43809	T36	KPLTLERTINLYPLT	71 / 7 AA	26
Phosphosite 2:	FAM114A1	Q8IWE2	S261	TLMERTVSLSQMLRE	71 / 7 AA	61
Phosphosite 3:	FAM114A1	Q8IWE2	T259	TKTLMERTVSLSQML	71 / 7 AA	61
Phosphosite 4:	OR4E2	Q8NGC2	S209	NSGTISLSCFLAVVT	71 / 7 AA	35
Phosphosite 5:	PLEKHB2	Q96CS7	S88	CRDGKTISLCAESTD	83 / 6 AA	25
Phosphosite 6:	DQX1	Q8TE96	S275	LPSEEEISLCCESLS	75 / 8 AA	79
Phosphosite 7:	XAB2	Q9HCS7	S546	KAYERGISLFKWPNV	66 / 9 AA	100
Phosphosite 8:	MAGEA4	P43358	S77	SALPTTISFTCWRQP	71 / 7 AA	35
Phosphosite 9:	TTC18	Q5T0N1	S991	ACYERTISFVVDASE	62 / 8 AA	126
Phosphosite 10:	ZNF839	A8K0R7	S250	CTEERTLSLTSLGLS	55 / 9 AA	87
Phosphosite 11:	SPAG9	O60271	S203	IRKERPISLGIFPLP	55 / 9 AA	146
Phosphosite 12:	SBF1	O95248	S187	GGSQRTISLGAGDRQ	83 / 6 AA	208
Phosphosite 13:	CCDC129	Q6ZRS4	S87	QVIDRTVSLYEQGMV	57 / 7 AA	99
Phosphosite 14:	RIMBP3	Q9UFD9	S1074	KVSVRTMSLCGESLD	83 / 6 AA	170
Phosphosite 15:	RIMBP3B	A6NNM3	S1074	KVSVRTMSLCGESLD	83 / 6 AA	170
Phosphosite 16:	RIMBP3C	A6NJZ7	S1074	KVSVRTMSLCGESLD	83 / 6 AA	170
Phosphosite 17:	CCDC129	Q6ZRS4	T85	FQQVIDRTVSLYEQG	57 / 7 AA	99
Phosphosite 18:	DFNA5	O60443	T136	IRDSAERTINLRNPV	83 / 6 AA	55
Phosphosite 19:	SIPA1L1	O43166	S430	GEGERKISLSKSNSG	71 / 7 AA	200
Phosphosite 20:	SLCO1B3	Q9NPD5	S293	PQKERKISLSLHVLK	71 / 7 AA	77