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:	S269
P-Site Sequence:	SATSSSSSSRKDRDS
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	S269	SATSSSSSSRKDRDS	100 / 9 AA	165
Phosphosite 1:	CDK13	Q14004	S270	ATSSSSSSRKDRDSK	100 / 8 AA	165
Phosphosite 2:	MTAC2D1	Q8N9U0	S200	SSVPSSSSSRKNSQG	87 / 8 AA	55
Phosphosite 3:	MTAC2D1	Q8N9U0	S201	SVPSSSSSRKNSQGS	87 / 8 AA	55
Phosphosite 4:	CDK13	Q14004	S268	ASATSSSSSSRKDRD	100 / 8 AA	165
Phosphosite 5:	SCAF1	Q9H7N4	S624	PATSSSSSSRRERHR	77 / 9 AA	139
Phosphosite 6:	MED11	Q9P086	S86	HEGSSYSSRKDCQMA	87 / 8 AA	13
Phosphosite 7:	AFF1	P51825	S842	SQSSSSSSSHKESSK	77 / 9 AA	131
Phosphosite 8:	CCNT2	O60583	S616	GISSSSSSSRKRLHV	100 / 8 AA	81
Phosphosite 9:	RbBP6	Q7Z6E9	S1078	NTKSSSSSQKDEKIT	87 / 8 AA	202
Phosphosite 10:	CCNT2	O60583	S615	DGISSSSSSSRKRLH	100 / 8 AA	81
Phosphosite 11:	E2F7	Q96AV8	S281	CPSSSANSRKDKSLR	75 / 8 AA	100
Phosphosite 12:	OSGIN1	Q9UJX0	S87	PPPAMSSSRKDHLGA	100 / 6 AA	61
Phosphosite 13:	OSGIN1	Q9UJX0	S86	SPPPAMSSSRKDHLG	100 / 6 AA	61
Phosphosite 14:	LY6H	O94772	S63	RITDPSSSRKDHSVN	85 / 7 AA	15
Phosphosite 15:	LY6H	O94772	S62	VRITDPSSSRKDHSV	85 / 7 AA	15
Phosphosite 16:	SCAF1	Q9H7N4	S827	SSSSSSCSSRKVKLQ	87 / 8 AA	139
Phosphosite 17:	CCNT1	O60563	S569	SSSFSSSSSTRKRGP	87 / 8 AA	81
Phosphosite 18:	ANKS3	Q6ZW76	S334	VESSSSSSSREEHAF	77 / 9 AA	72
Phosphosite 19:	MTAC2D1	Q8N9U0	S199	LSSVPSSSSSRKNSQ	100 / 7 AA	55
Phosphosite 20:	CCNT1	O60563	S570	SSFSSSSSTRKRGPS	87 / 8 AA	81