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:	S311
P-Site Sequence:	GIKGDKGSPGPYGPK
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	S311	GIKGDKGSPGPYGPK	100 / 9 AA	117
Phosphosite 1:	COL21A1	Q96P44	S543	GAKGDKGSPGFYGKK	88 / 9 AA	99
Phosphosite 2:	FAM160A1	Q05DH4	S595	SSGADVGSPGPYDDL	77 / 9 AA	117
Phosphosite 3:	COL24A1	Q17RW2	S877	GEKGERGSPGPLGPQ	66 / 9 AA	175
Phosphosite 4:	COL1A1	P02452	S513	GPAGERGSPGPAGPK	75 / 8 AA	139
Phosphosite 5:	COL22A1	Q8NFW1	S1061	GPPGDKGSPGSRGLP	87 / 8 AA	161
Phosphosite 6:	COL9A2	Q14055	S431	GVKGDKGSPGKTGPR	100 / 7 AA	65
Phosphosite 7:	COL18A1	P39060	S1170	GSKGERGSPGPKGEK	75 / 8 AA	178
Phosphosite 8:	COL2A1	P02458	S319	GSPGENGSPGPMGPR	75 / 8 AA	142
Phosphosite 9:	CO3A1	P02461	S934	GQPGEKGSPGAQGPP	75 / 8 AA	139
Phosphosite 10:	NFAT3	Q14934	S311	PLARDPGSPGPFDYV	75 / 8 AA	95
Phosphosite 11:	COL4A2	P08572	S315	GLSGEKGSPGQKGSR	75 / 8 AA	168
Phosphosite 12:	COL6A1	P12109	S312	GSRGEKGSRGPKGYK	75 / 8 AA	109
Phosphosite 13:	COL1A1	P02452	S936	GPAGEKGSPGADGPA	75 / 8 AA	139
Phosphosite 14:	COL4A4	P53420	T994	GERGDKGTPGMQGRR	85 / 7 AA	164
Phosphosite 15:	COL5A2	P05997	S874	GQKGDAGSPGPQGLA	87 / 8 AA	145
Phosphosite 16:	COL22A1	Q8NFW1	S962	GAAGEEGSPGPVGPR	75 / 8 AA	161
Phosphosite 17:	SOX18	P35713	T289	LYYGTLGTPGPYPGP	66 / 9 AA	41
Phosphosite 18:	COL4A1	P02462	S300	GDKGEKGSPGFPGEP	85 / 7 AA	161
Phosphosite 19:	COL7A1	Q02388	S2273	GKDGDRGSPGVPGSP	85 / 7 AA	295
Phosphosite 20:	COL9A2	Q14055	S642	GKDGDRGSPGAPGEA	85 / 7 AA	65