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:	S312
P-Site Sequence:	YSRRRSSSYERSGSY
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	S312	YSRRRSSSYERSGSY	100 / 9 AA	164
Phosphosite 1:	CDK12	Q9NYV4	S311	PYSRRRSSSYERSGS	100 / 8 AA	164
Phosphosite 2:	CDK12	Q9NYV4	Y313	SRRRSSSYERSGSYS	100 / 8 AA	164
Phosphosite 3:	EPB41L5	Q9HCM4	T365	TNKARRSTSFERRPS	75 / 8 AA	82
Phosphosite 4:	CDK12	Q9NYV4	S310	SPYSRRRSSSYERSG	100 / 7 AA	164
Phosphosite 5:	EPB41L5	Q9HCM4	S366	NKARRSTSFERRPSK	75 / 8 AA	82
Phosphosite 6:	EHM2	Q9H329	S407	GSRLRRTSTFERKPS	62 / 8 AA	100
Phosphosite 7:	EHM2	Q9H329	T408	SRLRRTSTFERKPSK	62 / 8 AA	100
Phosphosite 8:	RNASEN	Q9NRR4	S302	RDNRRSPSLERSYKK	77 / 9 AA	159
Phosphosite 9:	RASA3	Q14644	S256	PLKVLRQSSSYEAWY	85 / 7 AA	96
Phosphosite 10:	RASA3	Q14644	S257	LKVLRQSSSYEAWYF	85 / 7 AA	96
Phosphosite 11:	IQSEC1	Q6DN90	Y407	SLKRQSAYERSLGGQ	75 / 8 AA	108
Phosphosite 12:	RASA3	Q14644	S258	KVLRQSSSYEAWYFL	85 / 7 AA	96
Phosphosite 13:	NP60	Q49A26	S114	DKNRRNSSEERSRPN	77 / 9 AA	61
Phosphosite 14:	CCNL2	Q96S94	Y501	RRERSRSYERTGRRY	75 / 8 AA	58
Phosphosite 15:	TOMM34	Q15785	S93	KPLLRRASAYEALEK	71 / 7 AA	35
Phosphosite 16:	SON	P18583	Y1013	ERSMMSSYERSMMSY	100 / 6 AA	264
Phosphosite 17:	RUSC2	Q8N2Y8	Y499	GRQRSRSYDRSLQRS	75 / 8 AA	161
Phosphosite 18:	CDK13	Q14004	Y376	SYSRHSSYERGGDVS	75 / 8 AA	165
Phosphosite 19:	CCNL2	Q96S94	S500	QRRERSRSYERTGRR	75 / 8 AA	58
Phosphosite 20:	RUSC2	Q8N2Y8	S498	TGRQRSRSYDRSLQR	66 / 9 AA	161