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:	S528
P-Site Sequence:	EHAPSPSSGGTLKND
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	S528	EHAPSPSSGGTLKND	100 / 9 AA	165
Phosphosite 1:	CDK13	Q14004	S527	IEHAPSPSSGGTLKN	100 / 8 AA	165
Phosphosite 2:	BC060632	Q765P7	S411	DTEPGPASGGTLGPS	77 / 9 AA	80
Phosphosite 3:	Egr1	P18146	S145	SLEPAPNSGNTLWPE	66 / 9 AA	58
Phosphosite 4:	KIAA1853	A7MD48	S526	YYRPSPSSSGSLSST	77 / 9 AA	69
Phosphosite 5:	ZNF687	Q8N1G0	S145	PHSPAPPSGGTWKEK	66 / 9 AA	130
Phosphosite 6:	DCLRE1A	Q6PJP8	S194	FSSPSPASGGSFSET	66 / 9 AA	116
Phosphosite 7:	USP11	P51784	T672	DDVPGPSTGGSLRDP	66 / 9 AA	110
Phosphosite 8:	SEC31L1	O94979	S557	ESEFLPSSGGTFNIS	85 / 7 AA	133
Phosphosite 9:	BAZ2A	Q9UIF9	S29	GLKPSPSSGEGLYTN	77 / 9 AA	211
Phosphosite 10:	PLCD3	Q8N3E9	S39	LPSPPTPSDGGTKRP	75 / 8 AA	89
Phosphosite 11:	ARSK	Q6UWY0	S215	HPYPSPSSGENFGSS	66 / 9 AA	61
Phosphosite 12:	CDK13	Q14004	T531	PSPSSGGTLKNDKAK	100 / 6 AA	165
Phosphosite 13:	SEC31L1	O94979	S556	EESEFLPSSGGTFNI	100 / 6 AA	133
Phosphosite 14:	KLHL1	Q9NR64	S28	LFSHPSPSTGGPAGG	85 / 7 AA	83
Phosphosite 15:	POU2F1	P14859	S441	EKRINPPSSGGTSSS	100 / 6 AA	76
Phosphosite 16:	KLHL1	Q9NR64	T29	FSHPSPSTGGPAGGG	85 / 7 AA	83
Phosphosite 17:	ARHGEF17	Q96PE2	S1648	DESSPSPSGTLQSQA	75 / 8 AA	222
Phosphosite 18:	SLCO1C1	Q9NYB5	S145	YERYSPSSNSTLSIS	75 / 8 AA	79
Phosphosite 19:	TTLL7	Q6ZT98	S615	ISAQSPSSGDTRPFS	75 / 8 AA	103
Phosphosite 20:	POU2F1	P14859	S442	KRINPPSSGGTSSSP	100 / 6 AA	76