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:	S183
P-Site Sequence:	GSGGSPASSSGTQRR
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	S183	GSGGSPASSSGTQRR	100 / 9 AA	165
Phosphosite 1:	CDK13	Q14004	S184	SGGSPASSSGTQRRG	100 / 8 AA	165
Phosphosite 2:	CDK13	Q14004	S185	GGSPASSSGTQRRGE	100 / 7 AA	165
Phosphosite 3:	USP26	Q9BXU7	S678	KAGGKPASSPGTPLS	77 / 9 AA	104
Phosphosite 4:	RICH2	Q17R89	S607	AQKGSPGSSQGTACA	77 / 9 AA	89
Phosphosite 5:	KEPI	Q8TAE6	S36	GAGGSPGSSSGSGSS	77 / 9 AA	18
Phosphosite 6:	ZNF217	O75362	S1007	VPAGSPASSSTLEGK	100 / 7 AA	115
Phosphosite 7:	DDEFL1	Q8TDY4	S798	ESLGSPASSSSLMSP	100 / 7 AA	99
Phosphosite 8:	SPTY2D1	Q68D10	S440	CGPGQPASSSGGPGR	87 / 8 AA	76
Phosphosite 9:	RGPR-p117	Q96JE7	S191	PCKDSPASNSGQEWP	75 / 8 AA	117
Phosphosite 10:	KIF3B	O15066	S728	RKSGSSSSSSGTPAS	77 / 9 AA	85
Phosphosite 11:	PUM2	Q8TB72	S579	SSVGSSASSSATRRE	77 / 9 AA	114
Phosphosite 12:	KIAA0907	Q7Z7F0	S509	AGSKPASSSGKERER	85 / 7 AA	65
Phosphosite 13:	KIAA0907	Q7Z7F0	S510	GSKPASSSGKERERD	85 / 7 AA	65
Phosphosite 14:	RP1L1	Q8IWN7	S457	QDSASPASSTGLPEG	75 / 8 AA	261
Phosphosite 15:	SRRM3	A6NNA2	S28	GFPQPSSSSGTWPRA	85 / 7 AA	65