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:	S238
P-Site Sequence:	SKQDDSPSGASYGQD
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	S238	SKQDDSPSGASYGQD	100 / 9 AA	164
Phosphosite 1:	CDK12	Q9NYV4	S236	DSSKQDDSPSGASYG	100 / 7 AA	164
Phosphosite 2:	PPARA	Q07869	S95	GSVDESPSGALNIEC	85 / 7 AA	52
Phosphosite 3:	CBX8	Q9HC52	T234	KGRKLDDTPSGAGKF	85 / 7 AA	43
Phosphosite 4:	PPARA	Q07869	S93	VPGSVDESPSGALNI	85 / 7 AA	52
Phosphosite 5:	CBX8	Q9HC52	S236	RKLDDTPSGAGKFPA	75 / 8 AA	43
Phosphosite 6:	CDK12	Q9NYV4	S241	DDSPSGASYGQDYDL	100 / 6 AA	164
Phosphosite 7:	RBMX	P38159	S277	RDYSDHPSGGSYRDS	75 / 8 AA	42
Phosphosite 8:	ZNF509	Q6ZSB9	S648	VAEFDSHSGGSYCKL	75 / 8 AA	85
Phosphosite 9:	KCNG4	Q8TDN1	S324	PEDGERPSGSSYLEK	55 / 9 AA	59
Phosphosite 10:	COL2A1	P02458	S965	EPGDDGPSGAEGPPG	85 / 7 AA	142
Phosphosite 11:	TUBGCP5	Q96RT8	S122	LCLSDSPSNSSYVET	75 / 8 AA	118
Phosphosite 12:	TRIM44	Q96DX7	S336	EGDEEGPSGASEEED	62 / 8 AA	38
Phosphosite 13:	DUSP8	Q13202	S427	PKLCKLDSPSGAALG	100 / 6 AA	66
Phosphosite 14:	MAMSTR	Q6ZN01	S219	PKPRREDSPAGAPWP	71 / 7 AA	45
Phosphosite 15:	TSC22D1	Q15714	S973	DGEDESSSGASVVAI	75 / 8 AA	110
Phosphosite 16:	TSC22D1	Q15714	S972	VDGEDESSSGASVVA	75 / 8 AA	110
Phosphosite 17:	TCHHL1	Q5QJ38	S868	RGLPLDESPAGAQET	71 / 7 AA	99
Phosphosite 18:	IRS1	P35568	S691	SSSNAVPSGTSYGKL	83 / 6 AA	132
Phosphosite 19:	IRS1	P35568	S694	NAVPSGTSYGKLWTN	83 / 6 AA	132
Phosphosite 20:	ZC3H11A	O75152	S391	GPSKTDDSTSGARSS	85 / 7 AA	89