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:	CDK8
Human P-Site:	S437
P-Site Sequence:	AYPNPGPSTSQPQSS
UniProt:	P49336
Intern. Prot. ID:	IPI00026791

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CDK8	P49336	S437	AYPNPGPSTSQPQSS	100 / 9 AA	53
Phosphosite 1:	CDK8	P49336	T438	YPNPGPSTSQPQSSM	100 / 8 AA	53
Phosphosite 2:	C4orf44	Q6ZTZ1	T153	SQPPGPSTSQTEASL	100 / 7 AA	32
Phosphosite 3:	TAF1L	Q8IZX4	Y1661	DPMTPGPYTSQPPDM	77 / 9 AA	207
Phosphosite 4:	CDK8	P49336	S439	PNPGPSTSQPQSSMG	100 / 7 AA	53
Phosphosite 5:	C4orf44	Q6ZTZ1	S152	DSQPPGPSTSQTEAS	100 / 7 AA	32
Phosphosite 6:	TAF1L	Q8IZX4	T1662	PMTPGPYTSQPPDMY	87 / 8 AA	207
Phosphosite 7:	AKAP4	Q5JQC9	S610	SHRAPGPSTCQKENQ	85 / 7 AA	94
Phosphosite 8:	MED13L	Q71F56	S1641	GDTDPGQSSSQPSQD	66 / 9 AA	243
Phosphosite 9:	CNOT3	O75175	T385	PAPSGPSTTQPRPPS	85 / 7 AA	82
Phosphosite 10:	CNOT3	O75175	T386	APSGPSTTQPRPPSV	85 / 7 AA	82
Phosphosite 11:	NEK9	Q8TD19	S33	GDSSPGPSASQGPRA	75 / 8 AA	107
Phosphosite 12:	SEC24C	P53992	S242	SFGGPSVSQPNHVSS	85 / 7 AA	118
Phosphosite 13:	SEC24C	P53992	S240	GQSFGGPSVSQPNHV	85 / 7 AA	118
Phosphosite 14:	C4orf44	Q6ZTZ1	S154	QPPGPSTSQTEASLS	100 / 6 AA	32
Phosphosite 15:	SMARCA1	P28370	S34	EQPGPSTSQEEGAAA	100 / 6 AA	123
Phosphosite 16:	ATF2	P15336	S266	PGIPGPSSPQPVQSE	75 / 8 AA	55
Phosphosite 17:	TAF1L	Q8IZX4	S1663	MTPGPYTSQPPDMYD	85 / 7 AA	207
Phosphosite 18:	AFF4	Q9UHB7	T117	PVGPAPSTSQSQKRS	85 / 7 AA	127
Phosphosite 19:	AFF4	Q9UHB7	S116	TPVGPAPSTSQSQKR	85 / 7 AA	127
Phosphosite 20:	TRIOBP	Q9H2D6	T866	FQRDNPGTSSSQCCT	75 / 8 AA	261