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:	S424
P-Site Sequence:	SRHSRSRSRHRLSRS
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	S424	SRHSRSRSRHRLSRS	100 / 9 AA	165
Phosphosite 1:	RSRC2	Q7L4I2	S184	RSRSRSRSRHRHRTR	100 / 8 AA	51
Phosphosite 2:	BCLAF1	Q9NYF8	S48	RTYSRSRSRDRMYSR	77 / 9 AA	106
Phosphosite 3:	PPIG	Q13427	S349	RTPSRSRSRDRFRRS	77 / 9 AA	89
Phosphosite 4:	PRPF38B	Q5VTL8	S280	PRRSRSRSHHREGHG	87 / 8 AA	64
Phosphosite 5:	CDK13	Q14004	S433	HRLSRSRSRHSSISP	100 / 7 AA	165
Phosphosite 6:	CROP	O95232	S297	RKRSRSRSRHSSRTS	100 / 7 AA	51
Phosphosite 7:	CDK13	Q14004	S431	SRHRLSRSRSRHSSI	100 / 7 AA	165
Phosphosite 8:	CROP	O95232	S295	ERRKRSRSRSRHSSR	100 / 7 AA	51
Phosphosite 9:	RSRC1	Q96IZ7	S110	SRTRRSRSRPRLRSH	87 / 8 AA	39
Phosphosite 10:	SFRS2B	Q9BRL6	S148	CSRSRSRSRYRGSRY	87 / 8 AA	32
Phosphosite 11:	RSRC2	Q7L4I2	S182	RIRSRSRSRSRHRHR	100 / 7 AA	51
Phosphosite 12:	SFRS4	Q08170	S198	HSRSRSRSRHSRKSR	100 / 7 AA	57
Phosphosite 13:	SFRS4	Q08170	S196	RSHSRSRSRSRHSRK	100 / 7 AA	57
Phosphosite 14:	CDK13	Q14004	S422	YSSRHSRSRSRHRLS	100 / 7 AA	165
Phosphosite 15:	SFRS17A	Q02040	S687	RSRSRSPSRHRSTWN	87 / 8 AA	81
Phosphosite 16:	SNRNP27	Q8WVK2	S45	RRRSRSRSPHRRRSR	87 / 8 AA	19
Phosphosite 17:	PRPF38B	Q5VTL8	S342	RHRSRSRSRDRKGDR	87 / 8 AA	64
Phosphosite 18:	U2AF2	P26368	S34	RSHSRSRSRDRKRRS	87 / 8 AA	54
Phosphosite 19:	CCNL2	Q96S94	S473	SSRSRSRSRERADNP	87 / 8 AA	58
Phosphosite 20:	PPIL4	Q8WUA2	S446	QNRSRSRSRERDGHY	87 / 8 AA	57