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:	S664
P-Site Sequence:	GGDDLSKSPEEKKTA
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	S664	GGDDLSKSPEEKKTA	100 / 9 AA	165
Phosphosite 1:	TXNDC2	Q86VQ3	S287	KEGDISKSPEEAIQP	87 / 8 AA	60
Phosphosite 2:	CDK13	Q14004	S662	LPGGDDLSKSPEEKK	100 / 7 AA	165
Phosphosite 3:	SPAG17	Q6Q759	S1999	QTENLTKSPEEAESY	75 / 8 AA	252
Phosphosite 4:	LLGL2	Q6P1M3	S800	LEVAHDLSKSPDMQG	85 / 7 AA	113
Phosphosite 5:	LLGL2	Q6P1M3	S802	VAHDLSKSPDMQGSH	85 / 7 AA	113
Phosphosite 6:	ZCCHC11	Q5TAX3	S839	QCNCIDLSKSPDPDK	85 / 7 AA	185
Phosphosite 7:	TXNDC2	Q86VQ3	S362	KKDDIPKSPEEAIQP	75 / 8 AA	60
Phosphosite 8:	TXNDC2	Q86VQ3	S317	KEGDIPKSPEEAIQP	75 / 8 AA	60
Phosphosite 9:	TXNDC2	Q86VQ3	S407	KEIDIPKSPEETIQP	75 / 8 AA	60
Phosphosite 10:	TXNDC2	Q86VQ3	S347	KKGDIPKSPEETIQP	75 / 8 AA	60
Phosphosite 11:	TXNDC2	Q86VQ3	S242	KESDIPKSPEETIQP	75 / 8 AA	60
Phosphosite 12:	piccolo	Q9Y6V0	S641	AAPKQDLSKAPEPKK	85 / 7 AA	567
Phosphosite 13:	ANKRD53	Q8N9V6	T341	RATALSKTPEQRESQ	62 / 8 AA	60
Phosphosite 14:	ZCCHC11	Q5TAX3	S841	NCIDLSKSPDPDKST	85 / 7 AA	185
Phosphosite 15:	C15orf43	Q8NHR7	S145	HKKELSKSPEKHFIR	85 / 7 AA	25
Phosphosite 16:	LETM1	O95202	T593	IKKELSKTGEEKYVE	66 / 9 AA	83
Phosphosite 17:	C15orf43	Q8NHR7	S143	TEHKKELSKSPEKHF	85 / 7 AA	25
Phosphosite 18:	GMPS	P49915	S332	KTLNMTTSPEEKRKI	55 / 9 AA	77
Phosphosite 19:	TXNDC2	Q86VQ3	S285	QPKEGDISKSPEEAI	85 / 7 AA	60
Phosphosite 20:	PDYN	P01213	S125	KENTLSKSLEEKLRG	87 / 8 AA	28