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:	S377
P-Site Sequence:	SKKKRSSSRSRHSSI
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	S377	SKKKRSSSRSRHSSI	100 / 9 AA	164
Phosphosite 1:	CROP	O95232	S295	ERRKRSRSRSRHSSR	88 / 9 AA	51
Phosphosite 2:	CDK12	Q9NYV4	S376	HSKKKRSSSRSRHSS	100 / 8 AA	164
Phosphosite 3:	ARGLU1	Q9NWB6	S10	RSRSRSSSRSKHTKS	87 / 8 AA	33
Phosphosite 4:	SHANK1	Q9Y566	S501	GARARSPSRGRHPED	75 / 8 AA	225
Phosphosite 5:	CDK12	Q9NYV4	S379	KKRSSSRSRHSSISP	100 / 7 AA	164
Phosphosite 6:	RBM12	Q9NTZ6	S422	SGQKRSRSRSPHEAG	77 / 9 AA	97
Phosphosite 7:	SFRS6	Q13247	T323	SPPPKRATSRSRSRS	75 / 8 AA	40
Phosphosite 8:	RSRC2	Q7L4I2	S182	RIRSRSRSRSRHRHR	87 / 8 AA	51
Phosphosite 9:	SFRS4	Q08170	S196	RSHSRSRSRSRHSRK	87 / 8 AA	57
Phosphosite 10:	SFRS6	Q13247	S324	PPPKRATSRSRSRSR	75 / 8 AA	40
Phosphosite 11:	CDK12	Q9NYV4	S375	SHSKKKRSSSRSRHS	100 / 7 AA	164
Phosphosite 12:	BCLAF1	Q9NYF8	S35	HSRKKRYSSRSRSRT	87 / 8 AA	106
Phosphosite 13:	BCLAF1	Q9NYF8	S36	SRKKRYSSRSRSRTY	87 / 8 AA	106
Phosphosite 14:	DDX46	Q7L014	S14	HYRKRSASRGRSGSR	75 / 8 AA	117
Phosphosite 15:	RBM16	Q9UPN6	S433	KHRKRSRSRSRERKR	87 / 8 AA	141
Phosphosite 16:	SNRNP70	P08621	S293	RDRKRRSSRSRERAR	87 / 8 AA	52
Phosphosite 17:	SFRS5	Q13243	S198	RSRTRSSSRSRSRSR	87 / 8 AA	31
Phosphosite 18:	RSRC1	Q96IZ7	S85	SRRKRSRSRSRGRGK	87 / 8 AA	39
Phosphosite 19:	SFRS16	Q8N2M8	S400	RSSSRSSSRSRRGGG	87 / 8 AA	77
Phosphosite 20:	SFRS5	Q13243	S197	SRSRTRSSSRSRSRS	100 / 7 AA	31