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:	S441
P-Site Sequence:	RHSSISPSTLTLKSS
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	S441	RHSSISPSTLTLKSS	100 / 9 AA	165
Phosphosite 1:	CDK13	Q14004	T442	HSSISPSTLTLKSSL	100 / 8 AA	165
Phosphosite 2:	CDK13	Q14004	S439	RSRHSSISPSTLTLK	100 / 7 AA	165
Phosphosite 3:	ZNF726	A6NNF4	T383	KAFIWPSTLTKHKRI	85 / 7 AA	85
Phosphosite 4:	ZNF726	A6NNF4	S382	GKAFIWPSTLTKHKR	85 / 7 AA	85
Phosphosite 5:	KCNK9	Q9NPC2	S340	KIEEISPSTLKNSLF	100 / 6 AA	42
Phosphosite 6:	KIF18B	Q86Y91	S332	IAAISPSSLTYEDTY	85 / 7 AA	92
Phosphosite 7:	BCLAF1	Q9NYF8	S660	RRIDISPSTLRKHTR	100 / 6 AA	106
Phosphosite 8:	BCLAF1	Q9NYF8	T661	RIDISPSTLRKHTRL	100 / 6 AA	106
Phosphosite 9:	CDCA3	Q99618	T212	QDDNSPGTLTLRQGK	85 / 7 AA	29
Phosphosite 10:	TTC13	Q8NBP0	S827	NLKSISPSYKTLPSV	77 / 9 AA	97
Phosphosite 11:	KCNK9	Q9NPC2	T341	IEEISPSTLKNSLFP	100 / 6 AA	42
Phosphosite 12:	ERCC5	P28715	S384	AVDEGSISPRTLSAI	85 / 7 AA	133
Phosphosite 13:	KCNK9	Q9NPC2	S338	SYKIEEISPSTLKNS	100 / 6 AA	42
Phosphosite 14:	CREBBP	Q92793	S2065	PPRSISPSALQDLLR	85 / 7 AA	265
Phosphosite 15:	HDAC6	Q9UBN7	S1047	TTPQISPSTLIGSLR	100 / 6 AA	131
Phosphosite 16:	BCLAF1	Q9NYF8	S658	IHRRIDISPSTLRKH	100 / 6 AA	106
Phosphosite 17:	HDAC6	Q9UBN7	S1045	QGTTPQISPSTLIGS	100 / 6 AA	131
Phosphosite 18:	HDAC6	Q9UBN7	T1048	TPQISPSTLIGSLRT	100 / 6 AA	131
Phosphosite 19:	CDK13	Q14004	T444	SISPSTLTLKSSLAA	100 / 6 AA	165
Phosphosite 20:	CREBBP	Q92793	S2063	VQPPRSISPSALQDL	85 / 7 AA	265