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:	S375
P-Site Sequence:	PSYSRHSSYERGGDV
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	S375	PSYSRHSSYERGGDV	100 / 9 AA	165
Phosphosite 1:	CDK13	Q14004	Y376	SYSRHSSYERGGDVS	100 / 8 AA	165
Phosphosite 2:	CDK13	Q14004	S374	SPSYSRHSSYERGGD	100 / 8 AA	165
Phosphosite 3:	RNASEN	Q9NRR4	S280	RTPSRHRSYERSRER	77 / 9 AA	159
Phosphosite 4:	C21orf74	Q8TCZ7	S46	ACFSFHSSYERIGPD	87 / 8 AA	6
Phosphosite 5:	C21orf74	Q8TCZ7	Y47	CFSFHSSYERIGPDA	100 / 6 AA	6
Phosphosite 6:	BAD	Q92934	S75	EIRSRHSSYPAGTED	77 / 9 AA	18
Phosphosite 7:	PLD3	Q8IV08	Y354	DGLRRATYERGVKVR	62 / 8 AA	55
Phosphosite 8:	RNASEN	Q9NRR4	Y281	TPSRHRSYERSRERE	75 / 8 AA	159
Phosphosite 9:	PLD3	Q8IV08	T353	DDGLRRATYERGVKV	62 / 8 AA	55
Phosphosite 10:	USP50	Q70EL3	S161	YHYSRRRSYEKGSTQ	66 / 9 AA	39
Phosphosite 11:	PARM1	Q6UWI2	Y287	LKIRHSSYGRLLDDH	85 / 7 AA	32
Phosphosite 12:	PARM1	Q6UWI2	S286	YLKIRHSSYGRLLDD	85 / 7 AA	32
Phosphosite 13:	PARM1	Q6UWI2	S285	AYLKIRHSSYGRLLD	85 / 7 AA	32
Phosphosite 14:	CWH43	Q9H720	Y415	LGLRHKAYERKLGKV	71 / 7 AA	79
Phosphosite 15:	DEPDC5	O75140	S1297	ASYASRHSSFSRSFG	75 / 8 AA	178
Phosphosite 16:	CHADL	Q6NUI6	S410	VPESRHSSCEGCGLQ	85 / 7 AA	82
Phosphosite 17:	DEPDC5	O75140	S1298	SYASRHSSFSRSFGG	66 / 9 AA	178
Phosphosite 18:	THOC2	Q8NI27	Y899	LAVPHTSYEREVNKL	71 / 7 AA	183
Phosphosite 19:	THOC2	Q8NI27	S898	DLAVPHTSYEREVNK	71 / 7 AA	183
Phosphosite 20:	PROC	P04070	S54	LEELRHSSLERECIE	85 / 7 AA	52