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:	S391
P-Site Sequence:	PSPYSSSSWRRSRSP
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	S391	PSPYSSSSWRRSRSP	100 / 9 AA	165
Phosphosite 1:	CDK13	Q14004	S390	SPSPYSSSSWRRSRS	100 / 8 AA	165
Phosphosite 2:	CDK13	Q14004	S389	VSPSPYSSSSWRRSR	100 / 7 AA	165
Phosphosite 3:	HEATR6	Q6AI08	S390	SSSFSSSSWKRVSSS	75 / 8 AA	129
Phosphosite 4:	HEATR6	Q6AI08	S389	VSSSFSSSSWKRVSS	75 / 8 AA	129
Phosphosite 5:	TMC7	Q7Z402	S127	WKRYSSKSWKRFLEK	75 / 8 AA	84
Phosphosite 6:	E2A	P15923	S157	YPSYSGSSRRRAADG	66 / 9 AA	68
Phosphosite 7:	E2A	P15923	S156	YYPSYSGSSRRRAAD	75 / 8 AA	68
Phosphosite 8:	PLCD1	P51178	S35	LLKVKSSSWRRERFY	100 / 6 AA	86
Phosphosite 9:	PLCD1	P51178	S34	QLLKVKSSSWRRERF	100 / 6 AA	86
Phosphosite 10:	ERI2	A8K979	S569	CSPVRSSSWRRLPSI	100 / 6 AA	77
Phosphosite 11:	ERI2	A8K979	S568	DCSPVRSSSWRRLPS	100 / 6 AA	77
Phosphosite 12:	CDK13	Q14004	S388	DVSPSPYSSSSWRRS	100 / 6 AA	165
Phosphosite 13:	SLC39A11	Q8N1S5	S190	LAQPGGSSWRRIALL	71 / 7 AA	35
Phosphosite 14:	EIF3A	Q14152	S1309	SEREEVSSWRRADDR	83 / 6 AA	167
Phosphosite 15:	MARCH-VII	Q9H992	S118	LNTLSDSSWRHSQVP	66 / 9 AA	78
Phosphosite 16:	CRTC2	Q53ET0	S142	LSPPPESSWRRTMAW	83 / 6 AA	73
Phosphosite 17:	HEATR6	Q6AI08	S388	GVSSSFSSSSWKRVS	71 / 7 AA	129
Phosphosite 18:	TMC7	Q7Z402	S125	DQWKRYSSKSWKRFL	71 / 7 AA	84
Phosphosite 19:	C9orf122	Q5SY85	S88	RSLLHLSSWRRPDVG	83 / 6 AA	16
Phosphosite 20:	RELN	P78509	S3187	YNSVNSSSWKRITIQ	71 / 7 AA	388