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:	COL28A1
Human P-Site:	S416
P-Site Sequence:	GPKGEKGSEGPTGPQ
UniProt:	Q2UY09
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	COL28A1	Q2UY09	S416	GPKGEKGSEGPTGPQ	100 / 9 AA	117
Phosphosite 1:	COL19A1	Q14993	S802	GAKGEKGSDGPPGKP	87 / 8 AA	115
Phosphosite 2:	KIAA0649	Q5T8A7	S1063	GSERDKGSEGPARGL	75 / 8 AA	127
Phosphosite 3:	COL5A3	P25940	S1257	GEDGAKGSVGPTGLP	77 / 9 AA	172
Phosphosite 4:	COL5A1	P20908	S1547	GPKGAKGSSGPTGPK	77 / 9 AA	184
Phosphosite 5:	AGBL5	Q8NDL9	S804	TRRGMKGSSGPTSPT	77 / 9 AA	98
Phosphosite 6:	COL6A1	P12109	S312	GSRGEKGSRGPKGYK	77 / 9 AA	109
Phosphosite 7:	COL1A1	P02452	S513	GPAGERGSPGPAGPK	66 / 9 AA	139
Phosphosite 8:	COL29A1	A8TX70	S1601	GRKGEKGSQGQKGPQ	66 / 9 AA	290
Phosphosite 9:	COL5A3	P25940	S1029	GLPGQSGSEGPVGPA	66 / 9 AA	172
Phosphosite 10:	GLI2	P10070	S941	PLGPRRGSDGPTYGH	71 / 7 AA	168
Phosphosite 11:	COL28A1	Q2UY09	S311	GIKGDKGSPGPYGPK	75 / 8 AA	117
Phosphosite 12:	MAST4	O15021	S6	__MGEKVSEAPEPVP	75 / 8 AA	284
Phosphosite 13:	COL24A1	Q17RW2	S877	GEKGERGSPGPLGPQ	75 / 8 AA	175
Phosphosite 14:	CO3A1	P02461	S1174	GNRGERGSEGSPGHP	85 / 7 AA	139
Phosphosite 15:	COL24A1	Q17RW2	S1262	GLKGERGSEGNKGKK	85 / 7 AA	175
Phosphosite 16:	COL1A1	P02452	S363	GPQGPRGSEGPQGVR	75 / 8 AA	139
Phosphosite 17:	COL21A1	Q96P44	S880	GRNGEKGSQGFGYPG	85 / 7 AA	99
Phosphosite 18:	BHLHE40	O14503	S212	PSSPAKGSEGPGKNC	100 / 6 AA	46
Phosphosite 19:	COL18A1	P39060	S1170	GSKGERGSPGPKGEK	75 / 8 AA	178
Phosphosite 20:	COL5A1	P20908	S1548	PKGAKGSSGPTGPKG	75 / 8 AA	184