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:	S303
P-Site Sequence:	SRRQRSVSPYSRRRS
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	S303	SRRQRSVSPYSRRRS	100 / 9 AA	164
Phosphosite 1:	CDK12	Q9NYV4	S301	PYSRRQRSVSPYSRR	100 / 7 AA	164
Phosphosite 2:	CDK12	Q9NYV4	Y305	RQRSVSPYSRRRSSS	100 / 7 AA	164
Phosphosite 3:	CDK13	Q14004	S360	RRLPRSPSPYSRRRS	77 / 9 AA	165
Phosphosite 4:	CDK12	Q9NYV4	S293	QSSTRSPSPYSRRQR	87 / 8 AA	164
Phosphosite 5:	GPRC5C	Q9NQ84	S356	VAAKRPVSPYSGYNG	75 / 8 AA	48
Phosphosite 6:	PPARGC1A	Q9UBK2	S626	YVRSRSRSPYSRRPR	87 / 8 AA	91
Phosphosite 7:	CDK12	Q9NYV4	S306	QRSVSPYSRRRSSSY	100 / 6 AA	164
Phosphosite 8:	DEGS1	O15121	Y309	MDDTISPYSRMKRHQ	71 / 7 AA	38
Phosphosite 9:	DEGS1	O15121	S307	FVMDDTISPYSRMKR	71 / 7 AA	38
Phosphosite 10:	IL17C	Q9P0M4	S105	EADTHQRSISPWRYR	71 / 7 AA	22
Phosphosite 11:	AKAP11	Q9UKA4	S1242	VQSQRSVSPTFLNPS	100 / 6 AA	211
Phosphosite 12:	CDK12	Q9NYV4	S325	SYSGRSPSPYGRRRS	75 / 8 AA	164
Phosphosite 13:	KIF23	Q02241	S682	REKVTQRSVSPSPVP	100 / 6 AA	110
Phosphosite 14:	AKAP11	Q9UKA4	S1240	LNVQSQRSVSPTFLN	100 / 6 AA	211
Phosphosite 15:	MYSM1	Q5VVJ2	Y695	IGMIVSPYNRNNPLP	83 / 6 AA	95
Phosphosite 16:	SRRM2	Q9UQ35	S954	PRRSRSVSPCSNVES	85 / 7 AA	300
Phosphosite 17:	RNF169	Q8NCN4	S368	HKPERSVSPESNDSI	75 / 8 AA	77
Phosphosite 18:	DEGS1	O15121	S310	DDTISPYSRMKRHQK	83 / 6 AA	38
Phosphosite 19:	KIF23	Q02241	S684	KVTQRSVSPSPVPLS	100 / 6 AA	110
Phosphosite 20:	TRIM9	Q9C026	S522	AFNKTGVSPYSKTLV	71 / 7 AA	79