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:	S296
P-Site Sequence:	VLENTKRSRRNLGLD
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	S296	VLENTKRSRRNLGLD	100 / 9 AA	45
Phosphosite 1:	PHF14	O94880	S800	LPDGTKRSRRQIKEP	66 / 9 AA	100
Phosphosite 2:	DDX20	Q9UHI6	S734	ASQRAKQSRRNLPRR	75 / 8 AA	92
Phosphosite 3:	FBXO5	Q9UKT4	S440	PLPGTKKSKKNLRRL	62 / 8 AA	50
Phosphosite 4:	FHOD1	Q9Y613	S364	SSEEGKRSRRSLEGG	85 / 7 AA	127
Phosphosite 5:	DRD2	P14416	S228	KRVNTKRSSRAFRAH	66 / 9 AA	51
Phosphosite 6:	GDF11	O95390	T293	ELRVLENTKRSRRNL	100 / 6 AA	45
Phosphosite 7:	CCDC140	Q96MF4	S56	TAQPTKRSKRNRWRR	85 / 7 AA	18
Phosphosite 8:	ING1	Q9UK53	S293	DKPNSKRSRRQRNNE	85 / 7 AA	47
Phosphosite 9:	MSTN	O14793	S264	VTDTPKRSRRDFGLD	71 / 7 AA	43
Phosphosite 10:	HNRNPA1L2	Q32P51	T51	VVMRDPNTKRSRGFG	100 / 6 AA	34
Phosphosite 11:	HNRNPA1	P09651	T51	VVMRDPNTKRSRGFG	100 / 6 AA	39
Phosphosite 12:	ARHGAP21	Q5T5U3	S1663	KLQEVTKSSRRNSEG	85 / 7 AA	217
Phosphosite 13:	FAM104A	Q969W3	S29	PPQTKRSSRNPVFQD	85 / 7 AA	13
Phosphosite 14:	ARHGAP21	Q5T5U3	S1664	LQEVTKSSRRNSEGS	85 / 7 AA	217
Phosphosite 15:	FGF18	O76093	S198	YTTVTKRSRRIRPTH	100 / 6 AA	24
Phosphosite 16:	FAM104A	Q969W3	S28	LPPQTKRSSRNPVFQ	85 / 7 AA	13
Phosphosite 17:	MPP5	Q8N3R9	S517	AVPHTTRSRRDQEVA	62 / 8 AA	77
Phosphosite 18:	KIAA1712	Q9C0F1	S9	ATGDLKRSLRNLEQV	66 / 9 AA	44
Phosphosite 19:	SMCY	Q9BY66	S1103	GSDSTKRSRWMEKAL	71 / 7 AA	174
Phosphosite 20:	SmcX	P41229	S1116	GSDSTKRSRWMEKEL	71 / 7 AA	176