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:	S228
P-Site Sequence:	RSPHRKWSDSSKQDD
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	S228	RSPHRKWSDSSKQDD	100 / 9 AA	164
Phosphosite 1:	CDK12	Q9NYV4	S230	PHRKWSDSSKQDDSP	100 / 7 AA	164
Phosphosite 2:	C6orf194	Q5M9Q1	S202	KRKHRKYSDSDSNSE	85 / 7 AA	46
Phosphosite 3:	C6orf194	Q5M9Q1	Y201	SKRKHRKYSDSDSNS	85 / 7 AA	46
Phosphosite 4:	AKAP5	P24588	S92	LVTRRKRSESSKQQK	66 / 9 AA	47
Phosphosite 5:	ZNF335	Q9H4Z2	S289	KGRLRKWSTSTKSQE	75 / 8 AA	145
Phosphosite 6:	ZNF335	Q9H4Z2	T290	GRLRKWSTSTKSQEE	75 / 8 AA	145
Phosphosite 7:	MDN1	Q9NU22	S515	GEKHHSWSDSSVGCE	75 / 8 AA	633
Phosphosite 8:	DLC1	Q96QB1	S523	ISPHRKRSDDSDEDE	75 / 8 AA	171
Phosphosite 9:	SVEP1	Q4LDE5	S2767	CLENRKWSGASPRCE	62 / 8 AA	390
Phosphosite 10:	IBTK	Q9P2D0	S990	KKKPRKRSDSSGGYN	75 / 8 AA	151
Phosphosite 11:	PITPNM2	Q9BZ72	S666	RQLPRKRSDSSTYEL	75 / 8 AA	149
Phosphosite 12:	ARID2	Q68CP9	S1300	LLNGRKYSDSSLPPS	85 / 7 AA	197
Phosphosite 13:	ARID2	Q68CP9	Y1299	SLLNGRKYSDSSLPP	85 / 7 AA	197
Phosphosite 14:	SH2D3A	Q9BRG2	S145	PLRARKWSNSQPADL	83 / 6 AA	63
Phosphosite 15:	C10orf112	Q5VYJ5	S261	AIYQRIWSDSRGQLL	71 / 7 AA	164
Phosphosite 16:	LEO1	Q8WVC0	S444	NARIVKWSDGSMSLH	71 / 7 AA	75
Phosphosite 17:	XYLB	O75191	S356	ESVSRSWSDFSKALQ	75 / 8 AA	58
Phosphosite 18:	DOCK9	Q9BZ29	S498	AEPYMKSSDSSKVAQ	66 / 9 AA	236
Phosphosite 19:	ARHGEF18	Q6ZSZ5	S86	GSFPRKWSENVFLDN	57 / 7 AA	131
Phosphosite 20:	C6orf204	Q5SZL2	S157	FRPLRKWSSLSKLTA	66 / 9 AA	92