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:	Y319
P-Site Sequence:	SYERSGSYSGRSPSP
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	Y319	SYERSGSYSGRSPSP	100 / 9 AA	164
Phosphosite 1:	CDK12	Q9NYV4	S318	SSYERSGSYSGRSPS	100 / 8 AA	164
Phosphosite 2:	CDK12	Q9NYV4	S320	YERSGSYSGRSPSPY	100 / 8 AA	164
Phosphosite 3:	CCNL1	Q9UK58	Y422	RRSRSGTYSSRSRSR	77 / 9 AA	60
Phosphosite 4:	ARHGAP21	Q5T5U3	Y350	ILLKSGNYSGHSDGI	66 / 9 AA	217
Phosphosite 5:	CCNL1	Q9UK58	T421	NRRSRSGTYSSRSRS	75 / 8 AA	60
Phosphosite 6:	PKN1	Q16512	S374	GLYSRSGSLSGRSSL	87 / 8 AA	104
Phosphosite 7:	Trb2	Q92519	S231	LNTSGSYSGKAADVW	75 / 8 AA	39
Phosphosite 8:	ABCC12	Q96J65	Y472	KKQRSEAYSERSPPA	66 / 9 AA	152
Phosphosite 9:	Trb2	Q92519	S229	EILNTSGSYSGKAAD	85 / 7 AA	39
Phosphosite 10:	ARHGAP21	Q5T5U3	S351	LLKSGNYSGHSDGIS	75 / 8 AA	217
Phosphosite 11:	CIRBP	Q14011	Y151	SRSQSGGYSDRSSGG	66 / 9 AA	19
Phosphosite 12:	SARG	Q9BW04	S131	GLGLRSGSYSLPRNI	100 / 6 AA	64
Phosphosite 13:	ICAM3	P32942	S518	REHQRSGSYHVREES	75 / 8 AA	59
Phosphosite 14:	HNRNPA2B1	P22626	Y347	GSGGSGGYGGRSRY_	75 / 8 AA	37
Phosphosite 15:	ICAM3	P32942	Y519	EHQRSGSYHVREEST	75 / 8 AA	59
Phosphosite 16:	5-HT(2A)	P28223	Y306	IHREPGSYTGRRTMQ	71 / 7 AA	53
Phosphosite 17:	5-HT(2A)	P28223	S305	SIHREPGSYTGRRTM	71 / 7 AA	53
Phosphosite 18:	SARG	Q9BW04	S129	PQGLGLRSGSYSLPR	100 / 6 AA	64
Phosphosite 19:	PPP1R12A	O14974	S908	YDSLLGRSGSYSYLE	100 / 6 AA	115
Phosphosite 20:	5-HT(2A)	P28223	T307	HREPGSYTGRRTMQS	71 / 7 AA	53