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:	S142
P-Site Sequence:	PGTERTSSKEAGCRP
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	S142	PGTERTSSKEAGCRP	100 / 9 AA	28
Phosphosite 1:	GDF5OS	Q5U4N7	S141	RPGTERTSSKEAGCR	100 / 8 AA	28
Phosphosite 2:	Putative uncharacterized protein LOC389458	A6NC62	S12	RKAFRTCSKESGLAE	75 / 8 AA	12
Phosphosite 3:	SPTBN1	Q01082	S2161	ATEQRTSSKESSPIP	66 / 9 AA	275
Phosphosite 4:	SPEF2	Q9C093	S1673	PSAEKTSSTDAGPAE	66 / 9 AA	210
Phosphosite 5:	CANP	Q6SJ93	S166	TFGQRKSSKEDGHIL	66 / 9 AA	85
Phosphosite 6:	SPTBN1	Q01082	S2160	GATEQRTSSKESSPI	75 / 8 AA	275
Phosphosite 7:	SPTBN1	Q01082	T2159	NGATEQRTSSKESSP	85 / 7 AA	275
Phosphosite 8:	C10orf6	Q8IX21	S508	KDKERSSSKECSGHS	66 / 9 AA	132
Phosphosite 9:	C10orf6	Q8IX21	S507	KKDKERSSSKECSGH	85 / 7 AA	132
Phosphosite 10:	C10orf6	Q8IX21	S506	SKKDKERSSSKECSG	85 / 7 AA	132
Phosphosite 11:	MPHOSPH9	Q99550	S551	IEEMRTSSKEKDNTI	100 / 6 AA	116
Phosphosite 12:	MPHOSPH9	Q99550	T549	ERIEEMRTSSKEKDN	100 / 6 AA	116
Phosphosite 13:	EPB41L2	O43491	S543	APHFERTSSKRVSRS	100 / 6 AA	113
Phosphosite 14:	PPAP2A	O14494	S255	DFFKERTSFKERKEE	85 / 7 AA	32
Phosphosite 15:	MPHOSPH9	Q99550	S550	RIEEMRTSSKEKDNT	100 / 6 AA	116
Phosphosite 16:	EPB41L2	O43491	S544	PHFERTSSKRVSRSL	100 / 6 AA	113
Phosphosite 17:	IGBP1	P78318	S224	ILRERDSSREASTSN	66 / 9 AA	39
Phosphosite 18:	IGBP1	P78318	S223	KILRERDSSREASTS	75 / 8 AA	39
Phosphosite 19:	MAGEL2	Q9UJ55	T17	GSSKERRTSSKERRA	100 / 6 AA	59
Phosphosite 20:	MAGEL2	Q9UJ55	S18	SSKERRTSSKERRAP	100 / 6 AA	59