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:	Y340
P-Site Sequence:	PKRYKANYCSGQCEY
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	Y340	PKRYKANYCSGQCEY	100 / 9 AA	45
Phosphosite 1:	MSTN	O14793	Y308	PKRYKANYCSGECEF	88 / 9 AA	43
Phosphosite 2:	INHBE	P58166	Y275	PEGYQLNYCSGQCPP	77 / 9 AA	39
Phosphosite 3:	GDF11	O95390	S342	RYKANYCSGQCEYMF	100 / 7 AA	45
Phosphosite 4:	INHBA	P08476	Y349	PSGYHANYCEGECPS	66 / 9 AA	47
Phosphosite 5:	CASC5	Q8NG31	Y1358	KDEEKANYCPVQNDL	75 / 8 AA	265
Phosphosite 6:	GDF1	P27539	Y295	PRGFLANYCQGQCAL	66 / 9 AA	39
Phosphosite 7:	BMP6	P22004	Y440	PKGYAANYCDGECSF	66 / 9 AA	57
Phosphosite 8:	Putative UDP-GlcNAc:betaGal beta-1,3-N-acetylglucosaminyltransferase LOC402377	A8MXE2	Y241	PEKYYPDYCSGEAFI	55 / 9 AA	43
Phosphosite 9:	ZFP64	Q9NPA5	Y375	DRPFKCNYCSFDTKQ	71 / 7 AA	75
Phosphosite 10:	IGF1R	P08069	Y662	GYLYRHNYCSKDKIP	71 / 7 AA	155
Phosphosite 11:	PPM1B	O75688	Y70	AGSRVANYCSTHLLE	71 / 7 AA	53
Phosphosite 12:	KRTAP26-1	Q6PEX3	S8	MSCPNYCSGNSNSGS	83 / 6 AA	23
Phosphosite 13:	BMP3	P12645	Y398	PKSFDAYYCSGACQF	62 / 8 AA	53
Phosphosite 14:	BMP3	P12645	Y397	SPKSFDAYYCSGACQ	62 / 8 AA	53
Phosphosite 15:	IKZF4	Q9H2S9	Y252	GKPYKCNYCGRSYKQ	83 / 6 AA	64
Phosphosite 16:	BRCA1	P38398	Y196	DTVNKATYCSVGDQE	83 / 6 AA	208
Phosphosite 17:	C12orf35	Q9HCM1	S651	VLDNSFCSGQESSTK	66 / 6 AA	195
Phosphosite 18:	RELN	P78509	Y1415	ISEPCPSYCSGHGDC	57 / 7 AA	388
Phosphosite 19:	C3orf48	A8MPX8	Y481	FHMYKETYCPIIPNK	57 / 7 AA	72
Phosphosite 20:	PNLIPRP3	Q17RR3	S448	SGKYGYKSTFCSQDI	57 / 7 AA	52