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:	S226
P-Site Sequence:	RDGQRGGSEASKSRS
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	S226	RDGQRGGSEASKSRS	100 / 9 AA	165
Phosphosite 1:	LAMC1	P11047	S534	RAEQRDGSEASLEWS	87 / 8 AA	178
Phosphosite 2:	SLC24A2	Q9UI40	S333	PRLQRGGSSASLHNS	87 / 8 AA	74
Phosphosite 3:	MYBPC3	Q14896	S47	VRWQRGGSDISASNK	75 / 8 AA	141
Phosphosite 4:	DDX3	O00571	S31	SDNQSGGSTASKGRY	77 / 9 AA	73
Phosphosite 5:	MARCH-X	Q8NA82	S393	TEKDRGGSENAKKSP	66 / 9 AA	91
Phosphosite 6:	KIF1A	Q12756	S551	RSDSRGGSEAVVTLE	100 / 6 AA	191
Phosphosite 7:	ETHE1	O95571	S19	QLSQRGGSGAPILLR	75 / 8 AA	28
Phosphosite 8:	PION	A4D1B5	S26	LRAQRAVSEASGAGS	75 / 8 AA	98
Phosphosite 9:	FAM190A	Q9C0I3	S495	LRKQRAGSSSSKMNS	66 / 9 AA	100
Phosphosite 10:	STARD9	Q9P2P6	S1368	DMTQQGSSEASHNSS	75 / 8 AA	507
Phosphosite 11:	STARD9	Q9P2P6	S1367	PDMTQQGSSEASHNS	75 / 8 AA	507
Phosphosite 12:	LRRK1	Q38SD2	T557	RGRQRSGTEAASVLE	62 / 8 AA	228
Phosphosite 13:	TRIOBP	Q9H2D6	S1925	AGEQRAGSEVISRGG	71 / 7 AA	261
Phosphosite 14:	COL27A1	Q8IZC6	S539	GSKKPIGSEASKKAG	100 / 6 AA	187
Phosphosite 15:	HERC2	O95714	S3190	GKLGRGGSEGCNIPQ	62 / 8 AA	527
Phosphosite 16:	JMY	Q8N9B5	T517	MQSLRGGTEAIARLD	71 / 7 AA	111
Phosphosite 17:	ATXN7L2	Q5T6C5	T379	FPMPRGGTQASSEES	62 / 8 AA	77
Phosphosite 18:	CDK13	Q14004	S229	QRGGSEASKSRSRHS	100 / 6 AA	165
Phosphosite 19:	smMLCK	Q15746	S305	SSPQRGGSPPWAANS	62 / 8 AA	211
Phosphosite 20:	LRRK1	Q38SD2	S555	TTRGRQRSGTEAASV	71 / 7 AA	228