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:	S221
P-Site Sequence:	NWLKQPESNLGIEIK
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	S221	NWLKQPESNLGIEIK	100 / 9 AA	43
Phosphosite 1:	INTS8	Q75QN2	S747	SLIKQRESTLGIMYR	77 / 9 AA	113
Phosphosite 2:	C4orf33	Q8N1A6	S189	EEWKQPESDLWLIEK	85 / 7 AA	23
Phosphosite 3:	INTS8	Q75QN2	T748	LIKQRESTLGIMYRS	75 / 8 AA	113
Phosphosite 4:	SLC30A1	Q9Y6M5	S505	MPNKQPESSL_____	85 / 7 AA	55
Phosphosite 5:	AHNAK	Q09666	S5555	FNMASPESDFGINLK	71 / 7 AA	629
Phosphosite 6:	DACT2	Q5SW24	S627	RLASCPESNLGPPRP	100 / 6 AA	83
Phosphosite 7:	LRRC23	Q53EV4	T194	RGNQLESTLGINLPK	75 / 8 AA	40
Phosphosite 8:	LARS	Q9P2J5	S621	NLHGQAESPLGIRPQ	75 / 8 AA	134
Phosphosite 9:	CD109	Q6YHK3	S585	ISVTQPDSIVGIVAV	55 / 9 AA	162
Phosphosite 10:	ASB9	Q96DX5	S132	GASVQPESDLASPIH	71 / 7 AA	32
Phosphosite 11:	CHRNA9	Q9UGM1	S380	VYSKLPESNLKAARN	85 / 7 AA	55
Phosphosite 12:	ODZ3	Q9P273	S2557	IKTTTPESDLGTLRL	71 / 7 AA	301
Phosphosite 13:	EBF1	Q9UH73	S60	HFEKQPPSNLRKSNF	85 / 7 AA	64
Phosphosite 14:	EBF2	Q9HAK2	S59	HFEKQPPSNLRKSNF	85 / 7 AA	63
Phosphosite 15:	EBF3	Q9H4W6	S60	HFEKQPPSNLRKSNF	85 / 7 AA	65
Phosphosite 16:	EBF4	Q9BQW3	S61	HFEKQPPSNLRKSNF	85 / 7 AA	64
Phosphosite 17:	GRAMD1C	Q8IYS0	S487	DYFKQLESDLLIEES	66 / 9 AA	76
Phosphosite 18:	CATSPERB	Q9H7T0	S873	PINYRPPSNMGIAIP	62 / 8 AA	127
Phosphosite 19:	PRSS8	Q16651	S303	TQESQPDSNLCGSHL	83 / 6 AA	36
Phosphosite 20:	Eps8	Q12929	S593	DIVRPPESGLGRADP	62 / 8 AA	92