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:	S281
P-Site Sequence:	RDSKAHRSRTKSSKE
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	S281	RDSKAHRSRTKSSKE	100 / 9 AA	165
Phosphosite 1:	CDK13	Q14004	T283	SKAHRSRTKSSKEPP	100 / 7 AA	165
Phosphosite 2:	KIF19	Q2TAC6	S60	DILRAHRSREKSYLF	77 / 9 AA	111
Phosphosite 3:	FBF1	Q8TES7	S631	LIESAHRSRIKVLET	85 / 7 AA	125
Phosphosite 4:	PRPF38A	Q8NAV1	S279	DRRHRSRSKSPGHHR	85 / 7 AA	37
Phosphosite 5:	MybBP1A	Q9BQG0	S635	LGEKPRRSRTKTIDP	66 / 9 AA	149
Phosphosite 6:	TPCN1	Q9ULQ1	S762	MVFLGRRSRTKSDLS	75 / 8 AA	94
Phosphosite 7:	PRPF38A	Q8NAV1	S277	SRDRRHRSRSKSPGH	85 / 7 AA	37
Phosphosite 8:	SFRS18	Q8TF01	S571	PTIKARRSRSRSYSR	66 / 9 AA	93
Phosphosite 9:	PRKAR2A	P13861	S312	EVSILIRSRTKSNKD	100 / 6 AA	46
Phosphosite 10:	TPCN1	Q9ULQ1	T764	FLGRRSRTKSDLSLK	85 / 7 AA	94
Phosphosite 11:	PRKAR2A	P13861	T314	SILIRSRTKSNKDGG	100 / 6 AA	46
Phosphosite 12:	RSRC1	Q96IZ7	S99	KSYRVQRSRSKSRTR	55 / 9 AA	39
Phosphosite 13:	GPR124	Q96PE1	S1185	HGRRAHKSRAKGHRA	55 / 9 AA	143
Phosphosite 14:	SFRS8	Q12872	T860	KRRSRSRTKSKARSQ	100 / 6 AA	105
Phosphosite 15:	U2AF1	Q01081	S195	RRRKKHRSRSRSRER	66 / 9 AA	28
Phosphosite 16:	MPHOSPH1	Q96Q89	S198	MNLKPHRSREYLRLS	83 / 6 AA	211
Phosphosite 17:	ANK1	P16157	S1022	SVWKEHRSRYGESYL	83 / 6 AA	206
Phosphosite 18:	LUC7L2	Q9Y383	S283	HRRHRSRSMSRERKR	71 / 7 AA	47
Phosphosite 19:	RbBP6	Q7Z6E9	S758	HGYHRSRSRSPPYRR	71 / 7 AA	202
Phosphosite 20:	WDFY3	Q8IZQ1	S641	VLRESHRSRTVFRKV	71 / 7 AA	395