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:	S270
P-Site Sequence:	KKSPGSTSRRQSVSP
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	S270	KKSPGSTSRRQSVSP	100 / 9 AA	164
Phosphosite 1:	CDK12	Q9NYV4	T269	YKKSPGSTSRRQSVS	100 / 8 AA	164
Phosphosite 2:	Dicer1	Q9UPY3	T743	VPGRPGSTKRRQCYP	87 / 8 AA	219
Phosphosite 3:	BSN	Q9UPA5	S77	GPGPGSTSRRLDPKE	100 / 7 AA	416
Phosphosite 4:	BSN	Q9UPA5	T76	PGPGPGSTSRRLDPK	87 / 8 AA	416
Phosphosite 5:	CDK12	Q9NYV4	S268	SYKKSPGSTSRRQSV	100 / 7 AA	164
Phosphosite 6:	BSN	Q9UPA5	S75	GPGPGPGSTSRRLDP	100 / 7 AA	416
Phosphosite 7:	FAM38A	Q92508	T1848	LALAPNSTARRQLAS	75 / 8 AA	233
Phosphosite 8:	PPFIA2	O75334	T1196	KNFRRGSTWRRQFPP	85 / 7 AA	143
Phosphosite 9:	EME1	Q96AY2	T33	LKKEPSSTKRRQPER	75 / 8 AA	63
Phosphosite 10:	CDC25A	P30304	T288	EESPPGSTKRRKSMS	75 / 8 AA	59
Phosphosite 11:	ZNF280A	P59817	S72	RVTPGSKSRRKKGHF	75 / 8 AA	61
Phosphosite 12:	LSMD1	Q9BRA0	S18	REENGCCSRRQSSSS	75 / 8 AA	14
Phosphosite 13:	NFKBIL1	Q9UBC1	T27	PKSSMASTSRRQRRE	85 / 7 AA	43
Phosphosite 14:	NFKBIL1	Q9UBC1	S28	KSSMASTSRRQRRER	85 / 7 AA	43
Phosphosite 15:	CDC25A	P30304	S287	QEESPPGSTKRRKSM	85 / 7 AA	59
Phosphosite 16:	Dicer1	Q9UPY3	S742	SVPGRPGSTKRRQCY	85 / 7 AA	219
Phosphosite 17:	ZNF280A	P59817	S70	LNRVTPGSKSRRKKG	85 / 7 AA	61
Phosphosite 18:	CABP4	P57796	S92	PASPGPASSRQSHRH	66 / 9 AA	30
Phosphosite 19:	Pim1	P11309	S24	PDPAGAPSRRQSRQR	66 / 9 AA	45
Phosphosite 20:	ZZZ3	Q8IYH5	S730	YSKKSSTSRRQHPLN	85 / 7 AA	102