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:	S140
P-Site Sequence:	RSGTHSQSLPDS___
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	S140	RSGTHSQSLPDS___	100 / 9 AA	16
Phosphosite 1:	MED21	Q13503	S138	KTRSGTHSQSLPDS_	100 / 7 AA	16
Phosphosite 2:	CSF2RB	P32927	S601	LGPPHSRSLPDILGQ	85 / 7 AA	97
Phosphosite 3:	FAM82A2	Q96TC7	S46	QRHGRSQSLPNSLDY	75 / 8 AA	52
Phosphosite 4:	RPRD1B	Q9NQG5	S299	ELKSHIQSLPDLSLL	75 / 8 AA	37
Phosphosite 5:	MSTO1	Q9BUK6	S383	FPLAPGQSLPDSLMQ	66 / 9 AA	62
Phosphosite 6:	B3GALT6	Q96L58	S282	YLVTHKQSLEDMLEK	75 / 8 AA	37
Phosphosite 7:	IRF2BP2	Q7Z5L9	S492	LEPVHPASLPDSSLA	66 / 9 AA	61
Phosphosite 8:	JMJD1A	Q9Y4C1	S341	PQGCHKQSLPEEISS	71 / 7 AA	147
Phosphosite 9:	Lmr3	Q96Q04	S96	EETSSSQSLPDVYIL	100 / 6 AA	156
Phosphosite 10:	SYNE1	Q8NF91	S7699	FKKKLSQSLPDHHEE	100 / 6 AA	1011
Phosphosite 11:	IL16	Q14005	S543	DVDISTHSPSLPLAR	85 / 7 AA	142
Phosphosite 12:	IL16	Q14005	S545	DISTHSPSLPLAREP	85 / 7 AA	142
Phosphosite 13:	SAPAP3	O95886	S781	WIERGSRSLPDSGRA	85 / 7 AA	106
Phosphosite 14:	TEKT3	Q9BXF9	S45	PHSNLTHSLSLPWRP	85 / 7 AA	57
Phosphosite 15:	USP32	Q8NFA0	S1066	MVNGHMPSLPDSPFT	75 / 8 AA	182
Phosphosite 16:	USP6	P35125	S864	MVNGHMPSLPDSPFT	75 / 8 AA	159
Phosphosite 17:	PCDHA4	Q9UN74	S775	DLMAFSPSLPDSRDR	66 / 9 AA	102
Phosphosite 18:	TEKT3	Q9BXF9	S47	SNLTHSLSLPWRPST	85 / 7 AA	57
Phosphosite 19:	ETV1	P50549	S174	AHLPPSQSIPDSSYP	85 / 7 AA	55
Phosphosite 20:	BSND	Q8WZ55	S110	EEAAYDQSLPDFSHI	62 / 8 AA	35