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:	GDF11
Human P-Site:	S54
P-Site Sequence:	RSSRPAPSVAPEPDG
UniProt:	O95390
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	GDF11	O95390	S54	RSSRPAPSVAPEPDG	100 / 9 AA	45
Phosphosite 1:	C6orf132	Q5T0Z8	T495	LSHRPGPTVAPQSKE	66 / 9 AA	124
Phosphosite 2:	CDK4	P11802	S259	RGPRPVQSVVPEMEE	66 / 9 AA	34
Phosphosite 3:	ZNF828	Q96JM3	S342	KPAKPAPSVSPGPWK	66 / 9 AA	89
Phosphosite 4:	NFRKB	Q6P4R8	S178	RQKRPSPSRTPEERE	66 / 9 AA	142
Phosphosite 5:	COL15A1	P39059	T540	GPPLPLPTVAPERWI	75 / 8 AA	142
Phosphosite 6:	FBXL10	Q8NHM5	S1029	VISRPPPSVSPPKCI	75 / 8 AA	153
Phosphosite 7:	CSTF3	Q12996	S236	GLDRNAPSVPPQNTP	66 / 9 AA	83
Phosphosite 8:	CASC1	Q6TDU7	S108	CDGSPDPSVAQEMNT	75 / 8 AA	83
Phosphosite 9:	ZNF295	Q9ULJ3	S177	VSHTSRPSPSIAVKA	71 / 7 AA	119
Phosphosite 10:	FLNA	P21333	S2152	TRRRRAPSVANVGSH	85 / 7 AA	281
Phosphosite 11:	ZNF295	Q9ULJ3	S179	HTSRPSPSIAVKANT	71 / 7 AA	119
Phosphosite 12:	C2orf82	Q6UX34	T67	DTGPPAPTVAPGPED	75 / 8 AA	12
Phosphosite 13:	BAG3	O95817	S399	TEERAAPSTAPAEAT	75 / 8 AA	62
Phosphosite 14:	DDN	O94850	Y227	RWDRPPPYVAPPSYE	75 / 8 AA	76
Phosphosite 15:	ZADH2	Q8N4Q0	S145	SIATPVPSVKPEYLT	75 / 8 AA	40
Phosphosite 16:	MLXIP	Q9HAP2	S517	TTHHPAPSAAPCGLA	75 / 8 AA	101
Phosphosite 17:	DMRTC2	Q8IXT2	S352	LRPSPAPSVALHIGR	100 / 6 AA	39
Phosphosite 18:	LDB3	O75112	S474	PNYNPAPSVAYSGGP	100 / 6 AA	77
Phosphosite 19:	C3orf54	Q96EL1	S118	VSQRPAPSAQPLRRQ	75 / 8 AA	31
Phosphosite 20:	DOM3Z	O77932	S28	KLPRPAPSLPTDPAL	55 / 9 AA	45