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:	S1345
P-Site Sequence:	NFGSSSFSSAPYVSN
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	S1345	NFGSSSFSSAPYVSN	100 / 9 AA	165
Phosphosite 1:	CDK13	Q14004	S1346	FGSSSFSSAPYVSND	100 / 8 AA	165
Phosphosite 2:	POLE2	P56282	S326	FILCGNFSSAPYGKN	66 / 9 AA	60
Phosphosite 3:	POLE2	P56282	S327	ILCGNFSSAPYGKNQ	75 / 8 AA	60
Phosphosite 4:	HOXB8	P17481	T66	HGPSSLSTAPYQQNP	75 / 8 AA	28
Phosphosite 5:	HOXB8	P17481	S65	YHGPSSLSTAPYQQN	75 / 8 AA	28
Phosphosite 6:	SLA	Q13239	S269	KRKSSFFSSPPYFED	77 / 9 AA	31
Phosphosite 7:	E2A	P15923	S295	PSASSFSSAPGATYG	100 / 7 AA	68
Phosphosite 8:	E2A	P15923	S294	LPSASSFSSAPGATY	100 / 7 AA	68
Phosphosite 9:	HIP1	O00291	S357	IFGSSFSSDPFNFNS	75 / 8 AA	116
Phosphosite 10:	HIP1	O00291	S356	DIFGSSFSSDPFNFN	75 / 8 AA	116
Phosphosite 11:	PREB	Q9HCU5	T243	NGPTFSSTPYRYQAC	71 / 7 AA	45
Phosphosite 12:	Putative uncharacterized protein FLJ46235	Q6ZRM9	S44	QQASSFGSAPAQLPP	85 / 7 AA	22
Phosphosite 13:	SPG20	Q8N0X7	S133	LPEPQSFSSAPQHAE	100 / 6 AA	73
Phosphosite 14:	Spry2	O43597	S141	RLLGSSFSSGPVADG	75 / 8 AA	35
Phosphosite 15:	NUP43	Q8NFH3	S130	GPGSPSYSSAPCTGV	66 / 9 AA	42
Phosphosite 16:	SH3BP5	O60239	S325	TQSVSSFSSGPTSPS	85 / 7 AA	50
Phosphosite 17:	SPOPL	Q6IQ16	S58	VLKSSTFSSGPSDKM	75 / 8 AA	45
Phosphosite 18:	Spry2	O43597	S142	LLGSSFSSGPVADGI	85 / 7 AA	35
Phosphosite 19:	BCLAF1	Q9NYF8	S146	PRSSSSRSSSPYSKS	77 / 9 AA	106
Phosphosite 20:	SH3BP5	O60239	S326	QSVSSFSSGPTSPSE	85 / 7 AA	50