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:	S81
P-Site Sequence:	LRLESIKSQILSKLR
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	S81	LRLESIKSQILSKLR	100 / 9 AA	45
Phosphosite 1:	AKNAD1	Q5T1N1	S792	DSTEEIKSEILNSAL	66 / 9 AA	93
Phosphosite 2:	N4BP2L2	Q92802	S99	DVIESIDSQVLQEAR	75 / 8 AA	67
Phosphosite 3:	GOLGB1	Q14789	S691	DELERLKSQILELEL	75 / 8 AA	376
Phosphosite 4:	PDE6C	P51160	S240	YNIESRRSQILMWSA	75 / 8 AA	99
Phosphosite 5:	KCNE2	Q9Y6J6	S98	DWQEKYKSQILNLEE	66 / 9 AA	14
Phosphosite 6:	ALS2	Q96Q42	S714	SKLSDIKSQILRPLL	100 / 6 AA	184
Phosphosite 7:	IPO4	Q8TEX9	S82	EQRESLKSLILTALQ	66 / 9 AA	119
Phosphosite 8:	ZNF880	Q6PDB4	S155	KIYSSVKSHILNKYR	62 / 8 AA	67
Phosphosite 9:	SHANK2	Q9UPX8	S1234	GDVTEIKSPILSGPK	85 / 7 AA	159
Phosphosite 10:	GDF11	O95390	S78	SRELRLESIKSQILS	100 / 6 AA	45
Phosphosite 11:	AGAP4	Q96P64	S417	AWVQAIQSQILASLQ	55 / 9 AA	73
Phosphosite 12:	AGAP11	Q8TF27	S304	AWVQAIQSQILASLQ	55 / 9 AA	61
Phosphosite 13:	CTGLF1	Q5VW22	S417	AWVQAIQSQILASLQ	55 / 9 AA	73
Phosphosite 14:	AGAP7	Q5VUJ5	S417	AWVQAIQSQILASLQ	55 / 9 AA	73
Phosphosite 15:	AGAP8	Q5SRD3	S417	AWVQAIQSQILASLQ	55 / 9 AA	73
Phosphosite 16:	CNNM1	Q9NRU3	S492	IIEEIIKSEILDETD	75 / 8 AA	97
Phosphosite 17:	CNNM2	Q9H8M5	S579	VIEEIIKSEILDETD	75 / 8 AA	97
Phosphosite 18:	CNNM4	Q6P4Q7	S506	VIEEIIKSEILDESD	75 / 8 AA	87
Phosphosite 19:	SEC63	Q9UGP8	S451	YVTMDIKSQVLDDED	83 / 6 AA	88
Phosphosite 20:	GOLGB1	Q14789	S2114	SNKESVKSQMKQKDE	71 / 7 AA	376