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:	S229
P-Site Sequence:	QRGGSEASKSRSRHS
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	S229	QRGGSEASKSRSRHS	100 / 9 AA	165
Phosphosite 1:	AFF4	Q9UHB7	S174	GQHGSEHSKSRSSSP	88 / 9 AA	127
Phosphosite 2:	CDK13	Q14004	S231	GGSEASKSRSRHSHS	100 / 7 AA	165
Phosphosite 3:	SP1	P08047	S137	GSNGSESSKNRTVSG	66 / 9 AA	81
Phosphosite 4:	GPATCH8	Q9UKJ3	S850	EDSGSEHSRSRSRSG	77 / 9 AA	164
Phosphosite 5:	POU6F2	P78424	S597	EFIGSEPSKKRKRRT	75 / 8 AA	72
Phosphosite 6:	GPC1	P35052	S27	CARGDPASKSRSCGE	77 / 9 AA	62
Phosphosite 7:	SAMHD1	Q9Y3Z3	S616	RLREASKSRVQLFKD	100 / 6 AA	72
Phosphosite 8:	HERC2P3	Q9BVR0	S100	SPGGTPASKSRLCSH	75 / 8 AA	129
Phosphosite 9:	HERC2	O95714	S1373	SPGGTPASKSRLCSH	75 / 8 AA	527
Phosphosite 10:	SAMHD1	Q9Y3Z3	S614	PTRLREASKSRVQLF	100 / 6 AA	72
Phosphosite 11:	COL27A1	Q8IZC6	S539	GSKKPIGSEASKKAG	100 / 6 AA	187
Phosphosite 12:	LCLAT1	Q6UWP7	S211	GTDLTENSKSRSNAF	75 / 8 AA	49
Phosphosite 13:	CDK13	Q14004	S226	RDGQRGGSEASKSRS	100 / 6 AA	165
Phosphosite 14:	LTB4R	Q15722	S313	EGTGSEASSTRRGGS	75 / 8 AA	38
Phosphosite 15:	GENX-3414	O95210	S132	APATSETSNSRSYSE	75 / 8 AA	39
Phosphosite 16:	CEP170	Q5SW79	T1170	ARSDSEATISRSSAS	66 / 9 AA	175
Phosphosite 17:	KIAA1737	Q9C0C6	S366	LFIEATKSRAPQAWA	71 / 7 AA	43
Phosphosite 18:	FLJ43906	Q4AC94	S2159	VACECEASKARVGGE	71 / 7 AA	260
Phosphosite 19:	BANP	Q8N9N5	S184	GESGSEASDSVSSCG	77 / 9 AA	56
Phosphosite 20:	LCLAT1	Q6UWP7	S213	DLTENSKSRSNAFAE	85 / 7 AA	49