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:	CDK13
Human P-Site:	S409
P-Site Sequence:	VLRRSGKSRSRSPYS
UniProt:	Q14004
Intern. Prot. ID:	IPI00456970

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CDK13	Q14004	S409	VLRRSGKSRSRSPYS	100 / 9 AA	165
Phosphosite 1:	KHDC1	Q4VXA5	T63	RNSRSGKTRCRSKRS	77 / 9 AA	27
Phosphosite 2:	SRRM2	Q9UQ35	S647	PARRSGRSRSRTPAR	77 / 9 AA	300
Phosphosite 3:	CDK13	Q14004	S411	RRSGKSRSRSPYSSR	100 / 7 AA	165
Phosphosite 4:	C9orf79	Q6ZUB1	S112	QRERSGRSRSRKISA	87 / 8 AA	157
Phosphosite 5:	RbBP6	Q7Z6E9	T710	SKSRSGSTRSRSYSR	77 / 9 AA	202
Phosphosite 6:	TAF4	O00268	S972	ILMRAAKSRSRQEDP	75 / 8 AA	110
Phosphosite 7:	ABI3BP	Q7Z7G0	T119	KKSCSGKTRSRKPLQ	85 / 7 AA	119
Phosphosite 8:	THRAP3	Q9Y2W1	S125	YSPRRGRSRSRSPKR	77 / 9 AA	109
Phosphosite 9:	SRRM2	Q9UQ35	S702	RTPRRGRSRSRSLVR	77 / 9 AA	300
Phosphosite 10:	BCLAF1	Q9NYF8	S110	RSPRRGRSRSRSPKR	77 / 9 AA	106
Phosphosite 11:	SFRS17A	Q02040	S681	HRRRSERSRSRSPSR	77 / 9 AA	81
Phosphosite 12:	SFRS2	Q01130	S202	VSKRESKSRSRSKSP	77 / 9 AA	25
Phosphosite 13:	CDK13	Q14004	S406	YSPVLRRSGKSRSRS	100 / 6 AA	165
Phosphosite 14:	CHERP	Q8IWX8	S792	SRSRSSRSRSRSQSR	77 / 9 AA	104
Phosphosite 15:	SFRS6	Q13247	S214	RSRRSSRSRSRSISK	77 / 9 AA	40
Phosphosite 16:	CDK12	Q9NYV4	S355	PSRKSMKSRSRSPAY	77 / 9 AA	164
Phosphosite 17:	SFRS8	Q12872	S780	KYHSSSKSRSRSHSK	87 / 8 AA	105
Phosphosite 18:	SFRS2B	Q9BRL6	S263	VSKRKSKSRSRSKRP	77 / 9 AA	32
Phosphosite 19:	CHERP	Q8IWX8	S737	EKRNSGPSRSRSRSK	87 / 8 AA	104
Phosphosite 20:	CCDC88A	Q3V6T2	S1863	QESRNSKSRSREQQS	75 / 8 AA	216