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:	S448
P-Site Sequence:	PQSSMGYSATSQQPP
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	S448	PQSSMGYSATSQQPP	100 / 9 AA	53
Phosphosite 1:	CDK8	P49336	Y447	QPQSSMGYSATSQQP	100 / 8 AA	53
Phosphosite 2:	CDK8	P49336	T450	SSMGYSATSQQPPQY	100 / 7 AA	53
Phosphosite 3:	ADAMTS5	Q9UNA0	Y823	DFLHGMGYSATKEIL	85 / 7 AA	102
Phosphosite 4:	PMM2	O15305	S230	DPRTMGYSVTAPEDT	55 / 9 AA	28
Phosphosite 5:	GAA	P10253	Y148	LSSSEMGYTATLTRT	83 / 6 AA	105
Phosphosite 6:	GAA	P10253	T149	SSSEMGYTATLTRTT	83 / 6 AA	105
Phosphosite 7:	BTN3A3	O00478	Y295	REMKEMGYAATEQEI	83 / 6 AA	65
Phosphosite 8:	CDK11	Q9BWU1	S484	SQSTLGYSSSSQQSS	55 / 9 AA	57
Phosphosite 9:	CDK11	Q9BWU1	S485	QSTLGYSSSSQQSSQ	62 / 8 AA	57
Phosphosite 10:	KCMF1	Q9P0J7	Y88	PYCGKMGYTETSLQE	71 / 7 AA	42
Phosphosite 11:	CDK8	P49336	S451	SMGYSATSQQPPQYS	100 / 6 AA	53
Phosphosite 12:	GPS2	Q13227	T306	GKSGFAATSQPGPRL	71 / 7 AA	37
Phosphosite 13:	COL4A3BP	Q9Y5P4	S144	VSGASGYSATSTSSF	100 / 6 AA	71
Phosphosite 14:	COL4A3BP	Q9Y5P4	Y143	LVSGASGYSATSTSS	100 / 6 AA	71
Phosphosite 15:	HYDIN	Q4G0P3	T1012	ILEGYSATPRIVKEK	71 / 7 AA	576
Phosphosite 16:	TAO2	Q9UL54	S360	SVPSMSISASSQSSS	66 / 9 AA	138
Phosphosite 17:	TAO1	Q7L7X3	S360	SIPSMSISASSQSSS	66 / 9 AA	116
Phosphosite 18:	CDK8	P49336	S444	STSQPQSSMGYSATS	100 / 5 AA	53
Phosphosite 19:	IGHM	P01871	S69	GGKYAATSQVLLPSK	83 / 6 AA	49
Phosphosite 20:	ERVK6	Q9Y6I0	S115	APSYSPTSQKIMTKM	83 / 6 AA	17