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:	PCYT1B
Human P-Site:	S331
P-Site Sequence:	PTRSRSPSRSPSPTF
UniProt:	Q9Y5K3
Intern. Prot. ID:	IPI00219338

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PCYT1B	Q9Y5K3	S331	PTRSRSPSRSPSPTF	100 / 9 AA	42
Phosphosite 1:	PI5PA	Q15735	S349	PKPPRSPSRSPSHSP	100 / 8 AA	107
Phosphosite 2:	MLL	Q03164	T163	EVRVRSPTRSPSVKT	87 / 8 AA	432
Phosphosite 3:	CCNL2	Q96S94	S396	QSYSRSPSRSASPKR	88 / 9 AA	58
Phosphosite 4:	SFRS4	Q08170	S480	KSRSRSASRSPSRSR	88 / 9 AA	57
Phosphosite 5:	SFRS2IP	Q99590	S939	WSRSRSHSRSPSRCR	88 / 9 AA	165
Phosphosite 6:	PI5PA	Q15735	S353	RSPSRSPSHSPNRSP	77 / 9 AA	107
Phosphosite 7:	SFRS4	Q08170	S408	RSQSRSPSRSVSKER	88 / 9 AA	57
Phosphosite 8:	SYNJ1	O43426	S1073	IRPSRAPSRTPGPPS	66 / 9 AA	173
Phosphosite 9:	BAIAP2L2	Q6UXY1	S457	QSRSRTPSRVPSRAP	77 / 9 AA	59
Phosphosite 10:	TRA2A	Q13595	S36	KSESRSGSRSPSRVS	88 / 9 AA	33
Phosphosite 11:	DDX46	Q7L014	S24	RSGSRSRSRSPSDKR	88 / 9 AA	117
Phosphosite 12:	PPRC1	Q5VV67	S1503	SSSSRSRSRSPSPRR	88 / 9 AA	178
Phosphosite 13:	SFRS4	Q08170	S484	RSASRSPSRSRSRSH	88 / 9 AA	57
Phosphosite 14:	NKTR	P30414	S1315	DSQSRSPSRSRSKSE	88 / 9 AA	166
Phosphosite 15:	BAIAP2L2	Q6UXY1	S461	RTPSRVPSRAPSPAP	77 / 9 AA	59
Phosphosite 16:	SFRS7	Q16629	S213	PRSSRSKSRSPSPKR	88 / 9 AA	27
Phosphosite 17:	SFRS15	O95104	S440	KSRSRSASRSPKRRR	87 / 8 AA	126
Phosphosite 18:	SRRM3	A6NNA2	S521	EKRPHSPSRSPSPKK	87 / 8 AA	65
Phosphosite 19:	SFRS4	Q08170	S404	EDTDRSQSRSPSRSV	87 / 8 AA	57
Phosphosite 20:	SR140	O15042	S1014	GKKSRSQSRSPHRSH	87 / 8 AA	118