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:	S582
P-Site Sequence:	QVPASSTSTLPPSTH
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	S582	QVPASSTSTLPPSTH	100 / 9 AA	164
Phosphosite 1:	CDK12	Q9NYV4	T583	VPASSTSTLPPSTHS	100 / 8 AA	164
Phosphosite 2:	SAPAP2	Q9P1A6	S839	YRTQVDTSTLPPPDP	100 / 6 AA	118
Phosphosite 3:	CDK12	Q9NYV4	S580	FSQVPASSTSTLPPS	100 / 7 AA	164
Phosphosite 4:	MUC2	Q02817	T1555	TPPTSTTTLPPTTTP	75 / 8 AA	540
Phosphosite 5:	MUC2	Q02817	T1516	TPPASTTTLPPTTTP	75 / 8 AA	540
Phosphosite 6:	PRRT1	Q99946	S200	PGGTGVTSTLPPPPQ	100 / 6 AA	31
Phosphosite 7:	KIAA1522	Q9P206	T533	SSQSGTPTLPPKGLA	75 / 8 AA	107
Phosphosite 8:	QSER1	Q2KHR3	T53	GPLPSTGTLPPSLSA	85 / 7 AA	190
Phosphosite 9:	PRRT1	Q99946	T201	GGTGVTSTLPPPPQG	100 / 6 AA	31
Phosphosite 10:	SAPAP2	Q9P1A6	T840	RTQVDTSTLPPPDPW	100 / 6 AA	118
Phosphosite 11:	Kv2.1	Q14721	S15	HGSRSTSSLPPEPME	85 / 7 AA	96
Phosphosite 12:	Kv2.1	Q14721	S14	KHGSRSTSSLPPEPM	85 / 7 AA	96
Phosphosite 13:	ITCH	Q96J02	S287	SDGSSTGSLPPTNTN	75 / 8 AA	103
Phosphosite 14:	TEKT5	Q96M29	S70	TCPDESTSTLRPPTI	85 / 7 AA	56
Phosphosite 15:	Chk2	O96017	S44	GISSSSTSTMPNSSQ	75 / 8 AA	61
Phosphosite 16:	Chk2	O96017	T45	ISSSSTSTMPNSSQS	85 / 7 AA	61
Phosphosite 17:	CASC2	Q6XLA1	T97	EGSNSTSTLPLPA__	85 / 7 AA	12
Phosphosite 18:	P2RY14	Q15391	T7	_MINSTSTQPPDESC	75 / 8 AA	39
Phosphosite 19:	Gab1	Q13480	T157	QADSSSATLPPPYQL	75 / 8 AA	77
Phosphosite 20:	C17orf74	Q0P670	T487	LPPASTSTLRPSLHR	85 / 7 AA	57