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:	S431
P-Site Sequence:	SRHRLSRSRSRHSSI
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	S431	SRHRLSRSRSRHSSI	100 / 9 AA	165
Phosphosite 1:	PDE4C	Q08493	S19	ACSRLSRSRGRHSMT	88 / 9 AA	80
Phosphosite 2:	CDK13	Q14004	S422	YSSRHSRSRSRHRLS	88 / 9 AA	165
Phosphosite 3:	LUC7L	Q9NQ29	S293	ERRKLSRSRSRDRHR	77 / 9 AA	44
Phosphosite 4:	TESK1	Q15569	S353	PRPDPRLSRSRSDLF	100 / 7 AA	68
Phosphosite 5:	CDK13	Q14004	S433	HRLSRSRSRHSSISP	100 / 7 AA	165
Phosphosite 6:	CROP	O95232	S297	RKRSRSRSRHSSRTS	100 / 7 AA	51
Phosphosite 7:	CDK13	Q14004	S424	SRHSRSRSRHRLSRS	100 / 7 AA	165
Phosphosite 8:	CROP	O95232	S295	ERRKRSRSRSRHSSR	100 / 7 AA	51
Phosphosite 9:	TESK1	Q15569	S355	PDPRLSRSRSDLFLP	100 / 7 AA	68
Phosphosite 10:	RBM27	Q9P2N5	S179	KSRGLSRSRSRSRGR	100 / 7 AA	119
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:	ANKRD50	Q9ULJ7	S1226	QQHSLPRSRSRQSIV	75 / 8 AA	150
Phosphosite 15:	RSRC2	Q7L4I2	S184	RSRSRSRSRHRHRTR	100 / 7 AA	51
Phosphosite 16:	CDK13	Q14004	S429	SRSRHRLSRSRSRHS	100 / 7 AA	165
Phosphosite 17:	CDK13	Q14004	S231	GGSEASKSRSRHSHS	85 / 7 AA	165
Phosphosite 18:	NDRG2	Q9UN36	S326	SSCMTRLSRSRTASL	85 / 7 AA	41
Phosphosite 19:	CDCA7	Q9BWT1	S183	RARPLTRSRSRILGS	85 / 7 AA	43
Phosphosite 20:	SFRS16	Q8N2M8	S435	RSRRYSRSRSRGRRH	87 / 8 AA	77