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:	S367
P-Site Sequence:	QQANPRGSAGPCCTP
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	S367	QQANPRGSAGPCCTP	100 / 9 AA	45
Phosphosite 1:	MSTN	O14793	S335	HQANPRGSAGPCCTP	100 / 9 AA	43
Phosphosite 2:	RIMBP2	O15034	S809	GRRFPRGSAGPQRSR	100 / 7 AA	116
Phosphosite 3:	SREC	Q14162	S701	LAGKPRGSEGPVRSV	66 / 9 AA	87
Phosphosite 4:	PXDNL	A1KZ92	T855	RHADPRGTHAPCMLF	55 / 9 AA	164
Phosphosite 5:	KLK12	Q9UKR0	S218	QGLVSWGSVGPCGQD	62 / 8 AA	27
Phosphosite 6:	ALX3	O95076	S124	GPSNLQGSPGPCLAS	66 / 9 AA	37
Phosphosite 7:	RELL2	Q8NC24	S259	LEGNPRASAEPTLRA	75 / 8 AA	32
Phosphosite 8:	FOXD4	Q12950	T348	CPRPRGATAPCSSDR	62 / 8 AA	47
Phosphosite 9:	KIF26A	Q9ULI4	S902	AASTPRGSSGPDTHQ	75 / 8 AA	190
Phosphosite 10:	KIF26A	Q9ULI4	S903	ASTPRGSSGPDTHQG	85 / 7 AA	190
Phosphosite 11:	HEATR6	Q6AI08	S647	SVSSPKGSSEPCWLI	55 / 9 AA	129
Phosphosite 12:	COL1A1	P02452	S363	GPQGPRGSEGPQGVR	85 / 7 AA	139
Phosphosite 13:	GluR3	P42263	S336	VDVSRRGSAGDCLAN	66 / 9 AA	101
Phosphosite 14:	TGFB2	P61812	S375	NTINPEASASPCCVS	66 / 9 AA	48
Phosphosite 15:	TGFB3	P10600	S373	NTLNPEASASPCCVP	66 / 9 AA	47
Phosphosite 16:	HEATR6	Q6AI08	S648	VSSPKGSSEPCWLIR	62 / 8 AA	129
Phosphosite 17:	CCBE1	Q6UXH8	S284	GQPGPRGSMGPMGPS	85 / 7 AA	44
Phosphosite 18:	FOXA2	Q9Y261	S307	GTESPHSSASPCQEH	55 / 9 AA	48
Phosphosite 19:	CO3A1	P02461	S970	GMPGPRGSPGPQGVK	85 / 7 AA	139
Phosphosite 20:	COL5A3	P25940	S609	GLLGPRGSPGPTGRP	85 / 7 AA	172