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:	CDK12
Human P-Site:	S222
P-Site Sequence:	SPKRRSRSPHRKWSD
UniProt:	Q9NYV4
Intern. Prot. ID:	IPI00021175

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CDK12	Q9NYV4	S222	SPKRRSRSPHRKWSD	100 / 9 AA	164
Phosphosite 1:	SFRS12	Q8WXA9	S237	KDRRRSKSPHKKRSK	77 / 9 AA	59
Phosphosite 2:	SNRNP27	Q8WVK2	S45	RRRSRSRSPHRRRSR	87 / 8 AA	19
Phosphosite 3:	CDK12	Q9NYV4	S220	VDSPKRRSRSPHRKW	100 / 7 AA	164
Phosphosite 4:	SFRS8	Q12872	S846	RKRTRSRSPHEKKKK	87 / 8 AA	105
Phosphosite 5:	RBM8A	Q9Y5S9	S168	GGRRRSRSPDRRRR_	77 / 9 AA	20
Phosphosite 6:	FAM83E	Q2M2I3	S310	GGLQRGRSPHRVSRR	75 / 8 AA	52
Phosphosite 7:	ARTN	Q5T4W7	S159	GSCRRARSPHDLSLA	85 / 7 AA	23
Phosphosite 8:	CPO	Q8IVL8	S170	RLWRKSRSPHNNGTC	85 / 7 AA	43
Phosphosite 9:	MLK4	Q5TCX8	S713	PTNSLSRSPQRKKTE	85 / 7 AA	114
Phosphosite 10:	PRPF4B	Q13523	S453	PIRRRSRSPLRRSRS	77 / 9 AA	117
Phosphosite 11:	SFRS2B	Q9BRL6	S127	SYGRRSRSPRRRHRS	77 / 9 AA	32
Phosphosite 12:	RNPS1	Q15287	S276	RMRRRSRSPRRRSPV	77 / 9 AA	34
Phosphosite 13:	PRPF4B	Q13523	S467	SPRRRSRSPRRRDRG	77 / 9 AA	117
Phosphosite 14:	PRPF4B	Q13523	S460	SPLRRSRSPRRRSRS	77 / 9 AA	117
Phosphosite 15:	SFRS2	Q01130	S121	GYGRRSRSPRRRRRS	77 / 9 AA	25
Phosphosite 16:	CPO	Q8IVL8	S168	TDRLWRKSRSPHNNG	85 / 7 AA	43
Phosphosite 17:	CCAR1	Q8IX12	S333	RRRSRERSPQRKRSR	75 / 8 AA	133
Phosphosite 18:	C6orf151	Q6IEG0	S302	HRRDRSRSPHKRKRN	75 / 8 AA	40
Phosphosite 19:	SRRM1	Q8IYB3	S343	PRHRRSRSPVRRRRR	77 / 9 AA	102
Phosphosite 20:	SFRS12	Q8WXA9	S235	RQKDRRRSKSPHKKR	85 / 7 AA	59