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:	GDF5OS
Human P-Site:	S141
P-Site Sequence:	RPGTERTSSKEAGCR
UniProt:	Q5U4N7
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	GDF5OS	Q5U4N7	S141	RPGTERTSSKEAGCR	100 / 9 AA	28
Phosphosite 1:	GDF5OS	Q5U4N7	S142	PGTERTSSKEAGCRP	100 / 8 AA	28
Phosphosite 2:	SPTBN1	Q01082	S2161	ATEQRTSSKESSPIP	75 / 8 AA	275
Phosphosite 3:	SPTBN1	Q01082	S2160	GATEQRTSSKESSPI	75 / 8 AA	275
Phosphosite 4:	SPTBN1	Q01082	T2159	NGATEQRTSSKESSP	85 / 7 AA	275
Phosphosite 5:	ABCC12	Q96J65	S156	LQQTERTSGKVWVGI	85 / 7 AA	152
Phosphosite 6:	C10orf6	Q8IX21	S508	KDKERSSSKECSGHS	85 / 7 AA	132
Phosphosite 7:	C10orf6	Q8IX21	S506	SKKDKERSSSKECSG	85 / 7 AA	132
Phosphosite 8:	C10orf6	Q8IX21	S507	KKDKERSSSKECSGH	85 / 7 AA	132
Phosphosite 9:	MPHOSPH9	Q99550	S551	IEEMRTSSKEKDNTI	100 / 6 AA	116
Phosphosite 10:	EPB41L2	O43491	S543	APHFERTSSKRVSRS	100 / 6 AA	113
Phosphosite 11:	MPHOSPH9	Q99550	T549	ERIEEMRTSSKEKDN	100 / 6 AA	116
Phosphosite 12:	DMXL2	Q8TDJ6	T1205	SGIVTEQTNSKDGVA	62 / 8 AA	340
Phosphosite 13:	PPAP2A	O14494	S255	DFFKERTSFKERKEE	85 / 7 AA	32
Phosphosite 14:	IGBP1	P78318	S223	KILRERDSSREASTS	75 / 8 AA	39
Phosphosite 15:	IGBP1	P78318	S224	ILRERDSSREASTSN	75 / 8 AA	39
Phosphosite 16:	MPHOSPH9	Q99550	S550	RIEEMRTSSKEKDNT	100 / 6 AA	116
Phosphosite 17:	EPB41L2	O43491	S544	PHFERTSSKRVSRSL	100 / 6 AA	113
Phosphosite 18:	MAGEL2	Q9UJ55	T17	GSSKERRTSSKERRA	100 / 6 AA	59
Phosphosite 19:	MAGEL2	Q9UJ55	S18	SSKERRTSSKERRAP	100 / 6 AA	59
Phosphosite 20:	BAZ1B	Q9UIG0	T463	NSGGTPRTSSKPHKH	85 / 7 AA	171