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:	MED21
Human P-Site:	S34
P-Site Sequence:	QQCGPPASFNNIQTA
UniProt:	Q13503
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MED21	Q13503	S34	QQCGPPASFNNIQTA	100 / 9 AA	16
Phosphosite 1:	CPEB3	Q8NE35	S377	PPSGPPMSFADIMWR	66 / 9 AA	76
Phosphosite 2:	C1orf182	Q96A04	T43	QASSPPATFLNIQTT	66 / 9 AA	14
Phosphosite 3:	LCORL	Q8N3X6	S322	LPAGKPASFKNKTRD	75 / 8 AA	67
Phosphosite 4:	CFHR5	Q9BXR6	S454	AYCGPPPSINNGDTT	75 / 8 AA	64
Phosphosite 5:	Wnk3	Q9BYP7	S369	TSGIKPASFNKVTDP	71 / 7 AA	192
Phosphosite 6:	ADAM28	Q9UKQ2	S747	EGNEPPASFHKDTNA	62 / 8 AA	87
Phosphosite 7:	RAC1	P63000	S89	FSLVSPASFENVRAK	71 / 7 AA	21
Phosphosite 8:	RAC3	P60763	S89	FSLVSPASFENVRAK	71 / 7 AA	21
Phosphosite 9:	BAI1	O14514	T1274	AHAKGPPTNFNSLPA	71 / 7 AA	174
Phosphosite 10:	Uncharacterized protein ENSP00000372125	A6NCN8	S205	GNIQPPASFKKYRHI	71 / 7 AA	35
Phosphosite 11:	PRDM7	Q9NQW5	S123	QKGMPKASFNNESSL	85 / 7 AA	56
Phosphosite 12:	C8orf76	Q96K31	S30	RRSGPPASYCAKLCE	83 / 6 AA	43
Phosphosite 13:	RHOV	Q96L33	S117	FSVVQPSSFQNITEK	62 / 8 AA	26
Phosphosite 14:	ERC1	Q8IUD2	S1050	RGLTPPASYNLDDDQ	83 / 6 AA	128
Phosphosite 15:	ERC1	Q8IUD2	Y1051	GLTPPASYNLDDDQA	83 / 6 AA	128
Phosphosite 16:	ZNF318	Q5VUA4	S787	GPAIPPASFDAYRHY	83 / 6 AA	251
Phosphosite 17:	ARSJ	Q5FYB0	S471	SDWVPPQSFSNLGPN	62 / 8 AA	67
Phosphosite 18:	RHOQ	P17081	S95	FSVVNPASFQNVKEE	71 / 7 AA	23
Phosphosite 19:	RHOD	O00212	S103	FDVTSPNSFDNIFNR	62 / 8 AA	23
Phosphosite 20:	LRRC56	Q8IYG6	S146	ALKELYASYNNISDL	83 / 6 AA	59