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:	S138
P-Site Sequence:	KTRSGTHSQSLPDS_
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	S138	KTRSGTHSQSLPDS_	100 / 9 AA	16
Phosphosite 1:	MED21	Q13503	S140	RSGTHSQSLPDS___	100 / 7 AA	16
Phosphosite 2:	C1orf87	Q8N0U7	S286	TESHGTHSQSTPPQH	87 / 8 AA	62
Phosphosite 3:	MED21	Q13503	T136	QLKTRSGTHSQSLPD	100 / 7 AA	16
Phosphosite 4:	NSD1	Q96L73	S2306	LAGSGTKSQSLVSSQ	87 / 8 AA	297
Phosphosite 5:	ASCC1	Q8N9N2	S393	TGVSDAYSQSLPGKS	66 / 9 AA	46
Phosphosite 6:	IL16	Q14005	S543	DVDISTHSPSLPLAR	75 / 8 AA	142
Phosphosite 7:	IL16	Q14005	S545	DISTHSPSLPLAREP	85 / 7 AA	142
Phosphosite 8:	TEKT3	Q9BXF9	S45	PHSNLTHSLSLPWRP	85 / 7 AA	57
Phosphosite 9:	TEKT3	Q9BXF9	S47	SNLTHSLSLPWRPST	85 / 7 AA	57
Phosphosite 10:	C1orf87	Q8N0U7	T284	RKTESHGTHSQSTPP	100 / 6 AA	62
Phosphosite 11:	ARHGAP18	Q8N392	S191	TAPGGTESQSLRTNE	75 / 8 AA	75
Phosphosite 12:	Enamelin	Q9NRM1	S513	NSDGQTQSQNLPKGI	71 / 7 AA	129
Phosphosite 13:	RERE	Q9P2R6	S1010	QPPGLTQSQNLPPPP	71 / 7 AA	172
Phosphosite 14:	GLI3	P10071	S658	PPPRDSGSHSQSRSP	85 / 7 AA	170
Phosphosite 15:	ASAH2	Q9NR71	T195	VILSGTHTHSGPAGY	66 / 9 AA	86
Phosphosite 16:	PDE11A	Q9HCR9	S84	GPNGSAHSQPLPGGG	71 / 7 AA	105
Phosphosite 17:	GLI3	P10071	S660	PRDSGSHSQSRSPGR	85 / 7 AA	170
Phosphosite 18:	Putative uncharacterized protein FLJ45355	Q6ZSN1	S147	RGGRGAGSQSLPRGW	75 / 8 AA	17
Phosphosite 19:	DDN	O94850	T400	QPPRHSQTLPRPWAP	83 / 6 AA	76
Phosphosite 20:	SH2B1	Q9NRF2	S415	ELSCLNHSESLPSQD	71 / 7 AA	79