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:	MSTN
Human P-Site:	S264
P-Site Sequence:	VTDTPKRSRRDFGLD
UniProt:	O14793
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MSTN	O14793	S264	VTDTPKRSRRDFGLD	100 / 9 AA	43
Phosphosite 1:	SAPAP3	O95886	S651	DSDTENRSRREFHSI	66 / 9 AA	106
Phosphosite 2:	CACNA1E	Q15878	S2155	DTSTPRRSRRQLPPV	66 / 9 AA	262
Phosphosite 3:	SR140	O15042	S995	GSRTPKRSRRSRSRS	100 / 7 AA	118
Phosphosite 4:	ZNF821	O75541	S283	RERTAKKSRRDNETP	75 / 8 AA	47
Phosphosite 5:	DPM1	O60762	S13	VSRSPRRSRRELEVR	55 / 9 AA	30
Phosphosite 6:	LIMCH1	Q9UPQ0	S173	DIESPKRSIRDSGYI	75 / 8 AA	122
Phosphosite 7:	GDF11	O95390	S296	VLENTKRSRRNLGLD	71 / 7 AA	45
Phosphosite 8:	TMEM109	Q9BVC6	S35	LHSALAQSRRDFAPP	83 / 6 AA	26
Phosphosite 9:	ATP8B3	O60423	S866	AWQELGQSRRDFLYA	83 / 6 AA	148
Phosphosite 10:	PRSS35	Q8N3Z0	S206	KRRGSKRSRREASGG	71 / 7 AA	47
Phosphosite 11:	PGLYRP2	Q96PD5	S561	ARSVSKRSRREPPPR	62 / 8 AA	62
Phosphosite 12:	FAM154A	Q8IYX7	S72	PMEGLTTSRRDFGPH	100 / 5 AA	55
Phosphosite 13:	AFF1	P51825	S885	AKPALKRSRREADTC	83 / 6 AA	131
Phosphosite 14:	HOXC4	P09017	S159	NGGEPKRSRAAYTRQ	62 / 8 AA	30
Phosphosite 15:	HOXA4	Q00056	S218	NGGEPKRSRTAYTRQ	62 / 8 AA	34
Phosphosite 16:	HOXB4	P17483	S165	AGGEPKRSRTAYTRQ	62 / 8 AA	28
Phosphosite 17:	HOXD4	P09016	S157	TGGEPKRSRTAYTRQ	62 / 8 AA	28
Phosphosite 18:	SERPINA5	P05154	S44	GATVAPSSRRDFTFD	100 / 5 AA	46
Phosphosite 19:	USP7	Q93009	S1089	FNKAPKRSRYTYLEK	55 / 9 AA	128
Phosphosite 20:	OSM	P13725	S219	WGESPNRSRRHSPHQ	62 / 8 AA	28