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:	S1346
P-Site Sequence:	FGSSSFSSAPYVSND
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	S1346	FGSSSFSSAPYVSND	100 / 9 AA	165
Phosphosite 1:	CDK13	Q14004	S1345	NFGSSSFSSAPYVSN	100 / 8 AA	165
Phosphosite 2:	Leucine-rich repeat-containing protein LOC400891	Q6ZQY2	S105	ALASSLSSNPYVKRL	77 / 9 AA	42
Phosphosite 3:	POLE2	P56282	S327	ILCGNFSSAPYGKNQ	75 / 8 AA	60
Phosphosite 4:	POLE2	P56282	S326	FILCGNFSSAPYGKN	75 / 8 AA	60
Phosphosite 5:	HOXB8	P17481	T66	HGPSSLSTAPYQQNP	75 / 8 AA	28
Phosphosite 6:	CDK13	Q14004	Y1349	SSFSSAPYVSNDGLG	100 / 6 AA	165
Phosphosite 7:	HOXB8	P17481	S65	YHGPSSLSTAPYQQN	75 / 8 AA	28
Phosphosite 8:	E2A	P15923	S295	PSASSFSSAPGATYG	100 / 7 AA	68
Phosphosite 9:	E2A	P15923	S294	LPSASSFSSAPGATY	100 / 7 AA	68
Phosphosite 10:	HIP1	O00291	S357	IFGSSFSSDPFNFNS	75 / 8 AA	116
Phosphosite 11:	DDHD2	O94830	T602	RMAWKSFTRAPYPAL	71 / 7 AA	81
Phosphosite 12:	HIP1	O00291	S356	DIFGSSFSSDPFNFN	75 / 8 AA	116
Phosphosite 13:	PREB	Q9HCU5	T243	NGPTFSSTPYRYQAC	71 / 7 AA	45
Phosphosite 14:	GDF5OS	Q5U4N7	T246	PSRELSFTSAPF___	71 / 7 AA	28
Phosphosite 15:	PRP6	O94906	S91	YAGSLFSSGPYEKDD	83 / 6 AA	107
Phosphosite 16:	GARNL1	Q6GYQ0	S2023	DFAAQVFSPAPYHHL	83 / 6 AA	230
Phosphosite 17:	CCDC85A	Q96PX6	Y203	LTASTAPYVRDVGDG	83 / 6 AA	60
Phosphosite 18:	HRNR	Q86YZ3	S452	GFGRSSSSGPYVSGS	75 / 8 AA	282
Phosphosite 19:	TRIM35	Q9UPQ4	S341	ENPERFSSAPCLLGS	71 / 7 AA	57
Phosphosite 20:	KIAA1305	Q9P2P1	S1344	PPVSLSFSCSPYTPT	71 / 7 AA	208