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:	S439
P-Site Sequence:	RSRHSSISPSTLTLK
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	S439	RSRHSSISPSTLTLK	100 / 9 AA	165
Phosphosite 1:	CDK13	Q14004	S441	RHSSISPSTLTLKSS	100 / 7 AA	165
Phosphosite 2:	CDK13	Q14004	S437	RSRSRHSSISPSTLT	100 / 7 AA	165
Phosphosite 3:	CDK12	Q9NYV4	S385	RSRHSSISPVRLPLN	77 / 9 AA	164
Phosphosite 4:	ANK2	Q01484	S1849	TEKHSPVSPSTKTER	75 / 8 AA	430
Phosphosite 5:	NCOR2	Q9Y618	S1872	AHQHSPISPRTQDAL	75 / 8 AA	275
Phosphosite 6:	ERCC5	P28715	S384	AVDEGSISPRTLSAI	75 / 8 AA	133
Phosphosite 7:	KCNK9	Q9NPC2	S340	KIEEISPSTLKNSLF	100 / 6 AA	42
Phosphosite 8:	BCLAF1	Q9NYF8	S660	RRIDISPSTLRKHTR	100 / 6 AA	106
Phosphosite 9:	BCLAF1	Q9NYF8	T661	RIDISPSTLRKHTRL	100 / 6 AA	106
Phosphosite 10:	MGA	Q8IWI9	S879	LKKQSTISPSTSYSL	75 / 8 AA	332
Phosphosite 11:	KCNK9	Q9NPC2	T341	IEEISPSTLKNSLFP	100 / 6 AA	42
Phosphosite 12:	KCNK9	Q9NPC2	S338	SYKIEEISPSTLKNS	100 / 6 AA	42
Phosphosite 13:	HDAC6	Q9UBN7	S1047	TTPQISPSTLIGSLR	100 / 6 AA	131
Phosphosite 14:	BCLAF1	Q9NYF8	S658	IHRRIDISPSTLRKH	100 / 6 AA	106
Phosphosite 15:	CDK13	Q14004	T442	HSSISPSTLTLKSSL	100 / 6 AA	165
Phosphosite 16:	HDAC6	Q9UBN7	S1045	QGTTPQISPSTLIGS	100 / 6 AA	131
Phosphosite 17:	HDAC6	Q9UBN7	T1048	TPQISPSTLIGSLRT	100 / 6 AA	131
Phosphosite 18:	CREBBP	Q92793	S2065	PPRSISPSALQDLLR	85 / 7 AA	265
Phosphosite 19:	JMJD1C	Q15652	S1228	EGSYSSLSPPTLTPV	66 / 9 AA	285
Phosphosite 20:	DKFZp779A1753	P27816	S825	STGPSSRSPSTLLPK	87 / 8 AA	51