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:	S220
P-Site Sequence:	VDSPKRRSRSPHRKW
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	S220	VDSPKRRSRSPHRKW	100 / 9 AA	164
Phosphosite 1:	CDK12	Q9NYV4	S222	SPKRRSRSPHRKWSD	100 / 7 AA	164
Phosphosite 2:	DLGAP4	Q9Y2H0	S197	AGEPKRRSRSNISGW	100 / 7 AA	108
Phosphosite 3:	RIMS1	Q86UR5	S987	EIHPTRRSRSPTRHH	87 / 8 AA	189
Phosphosite 4:	PRPF4B	Q13523	S465	SRSPRRRSRSPRRRD	77 / 9 AA	117
Phosphosite 5:	PRPF38A	Q8NAV1	S243	SRSPRRRSRSPKRRS	87 / 8 AA	37
Phosphosite 6:	PHRF1	Q9P1Y6	S1163	RDRRKRRSRSPSSEH	100 / 7 AA	179
Phosphosite 7:	ARTN	Q5T4W7	S159	GSCRRARSPHDLSLA	85 / 7 AA	23
Phosphosite 8:	CPO	Q8IVL8	S170	RLWRKSRSPHNNGTC	85 / 7 AA	43
Phosphosite 9:	KCNC2	Q96PR1	S630	SPCPLRRSRSPIPSI	87 / 8 AA	70
Phosphosite 10:	SFRS12	Q8WXA9	S237	KDRRRSKSPHKKRSK	85 / 7 AA	59
Phosphosite 11:	THRAP3	Q9Y2W1	S134	SRSPKRRSPSPRSRS	77 / 9 AA	109
Phosphosite 12:	PRPF38A	Q8NAV1	S250	SRSPKRRSPSPRRER	77 / 9 AA	37
Phosphosite 13:	RTBDN	Q9BSG5	S206	REAPSRRSRSPRTSI	77 / 9 AA	25
Phosphosite 14:	SFRS12	Q8WXA9	S235	RQKDRRRSKSPHKKR	75 / 8 AA	59
Phosphosite 15:	CPO	Q8IVL8	S168	TDRLWRKSRSPHNNG	85 / 7 AA	43
Phosphosite 16:	PRPF4B	Q13523	S354	GRSPKRRSLSPKPRD	87 / 8 AA	117
Phosphosite 17:	PRPF4B	Q13523	S458	SRSPLRRSRSPRRRS	77 / 9 AA	117
Phosphosite 18:	SVIL	O95425	S718	QNVPKRRSRNTAVEQ	85 / 7 AA	248
Phosphosite 19:	SFRS8	Q12872	S846	RKRTRSRSPHEKKKK	100 / 6 AA	105
Phosphosite 20:	RBM12	Q9NTZ6	S424	QKRSRSRSPHEAGFC	100 / 6 AA	97