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:	CDK13
Human P-Site:	S447
P-Site Sequence:	PSTLTLKSSLAAELN
UniProt:	Q14004
Intern. Prot. ID:	IPI00456970

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CDK13	Q14004	S447	PSTLTLKSSLAAELN	100 / 9 AA	165
Phosphosite 1:	CDK13	Q14004	S448	STLTLKSSLAAELNK	100 / 8 AA	165
Phosphosite 2:	MKRN1	Q9UHC7	S126	ATELTTKSSLAASSS	88 / 9 AA	53
Phosphosite 3:	MKRNP5	Q13434	S161	ATELTTKSSLAASSS	88 / 9 AA	53
Phosphosite 4:	AQP9	O43315	S20	KQRLVLKSSLAKETL	87 / 8 AA	31
Phosphosite 5:	DZIP1	Q86YF9	S854	ESSTLKSSLVTVTDW	75 / 8 AA	99
Phosphosite 6:	CENPE	Q02224	T2351	KNYQTLKTSLASGAQ	75 / 8 AA	316
Phosphosite 7:	MKRN1	Q9UHC7	S127	TELTTKSSLAASSSL	87 / 8 AA	53
Phosphosite 8:	MKRNP5	Q13434	S162	TELTTKSSLAASSSL	87 / 8 AA	53
Phosphosite 9:	CENPE	Q02224	S2352	NYQTLKTSLASGAQV	75 / 8 AA	316
Phosphosite 10:	DZIP1	Q86YF9	S853	NESSTLKSSLVTVTD	75 / 8 AA	99
Phosphosite 11:	RSKL1	Q96S38	S474	LKALPLKSSLTPSSQ	66 / 9 AA	119
Phosphosite 12:	C2orf42	Q9NWW7	T150	QAEATPLTLKSSVLN	100 / 6 AA	64
Phosphosite 13:	CDK13	Q14004	T444	SISPSTLTLKSSLAA	100 / 6 AA	165
Phosphosite 14:	AQP9	O43315	S21	QRLVLKSSLAKETLS	85 / 7 AA	31
Phosphosite 15:	PCDH19	Q8TAB3	S1073	TSPLHLKSSLPTKPS	66 / 9 AA	126
Phosphosite 16:	C17orf53	Q8N3J3	S459	GPWLTMKSTLGLDER	62 / 8 AA	70
Phosphosite 17:	TAGAP	Q8N103	S367	STVARLKSSLAQPDR	100 / 6 AA	81
Phosphosite 18:	SYBU	Q9NX95	S347	VIETMRSSLADKDKG	71 / 7 AA	72
Phosphosite 19:	TSNAX	Q99598	S249	KLYTLKQSLAKVENA	85 / 7 AA	33
Phosphosite 20:	ZBTB2	Q8N680	S267	GRRFTLRSSLREHLQ	71 / 7 AA	57