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:	S236
P-Site Sequence:	SKSRSRHSHSGEERA
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	S236	SKSRSRHSHSGEERA	100 / 9 AA	165
Phosphosite 1:	CDK13	Q14004	S238	SRSRHSHSGEERAEV	100 / 7 AA	165
Phosphosite 2:	ZNF444	Q8N0Y2	S200	HLLRHRQSHSGEKPH	77 / 9 AA	35
Phosphosite 3:	ZNF444	Q8N0Y2	S202	LRHRQSHSGEKPHAC	85 / 7 AA	35
Phosphosite 4:	FLG	P20930	S3843	QADSSRHSQSGQGES	75 / 8 AA	435
Phosphosite 5:	FLG	P20930	S3519	QADSSRHSQSGQGQS	75 / 8 AA	435
Phosphosite 6:	CaMK1-beta	Q6P2M8	S331	EQGMARHSHSGLRAG	75 / 8 AA	39
Phosphosite 7:	ZNF816A	Q0VGE8	S79	EFSSTRHSNTGEVIH	62 / 8 AA	76
Phosphosite 8:	FLG2	Q5D862	S1250	TINTTRHSQSGQGQS	62 / 8 AA	248
Phosphosite 9:	SLC4A1	P02730	S162	RALLLKHSHAGELEA	71 / 7 AA	102
Phosphosite 10:	ZNF816A	Q0VGE8	T81	SSTRHSNTGEVIHTG	71 / 7 AA	76
Phosphosite 11:	HZF2	Q14586	S711	TTHRRSHSGERPYKC	85 / 7 AA	87
Phosphosite 12:	SYT13	Q7L8C5	S253	CDRFSRHSVAGELRL	75 / 8 AA	47
Phosphosite 13:	FLG	P20930	S926	HADISRHSQAGQGQS	62 / 8 AA	435
Phosphosite 14:	CaMK1-beta	Q6P2M8	S333	GMARHSHSGLRAGQP	100 / 6 AA	39
Phosphosite 15:	SOX30	O94993	S701	TSYYNSHSHSGEENL	100 / 6 AA	82
Phosphosite 16:	SFRS17A	Q02040	S649	DHTRSRRSHSKDRHR	66 / 9 AA	81
Phosphosite 17:	SOX30	O94993	S703	YYNSHSHSGEENLNP	100 / 6 AA	82
Phosphosite 18:	ZNF256	Q9Y2P7	S540	SLIRHRRSHTGERPY	66 / 9 AA	72
Phosphosite 19:	ZSCAN10	Q96SZ4	S628	NLARHRRSHTGERPY	66 / 9 AA	80
Phosphosite 20:	HZF2	Q14586	S709	YLTTHRRSHSGERPY	85 / 7 AA	87