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:	COL23A1
Human P-Site:	S450
P-Site Sequence:	ASGERGPSGLPGPVG
UniProt:	Q86Y22
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	COL23A1	Q86Y22	S450	ASGERGPSGLPGPVG	100 / 9 AA	52
Phosphosite 1:	COL2A1	P02458	S536	APGERGPSGLAGPKG	88 / 9 AA	142
Phosphosite 2:	COL16A1	Q07092	S1194	SEGIRGPSGLPGSPG	100 / 8 AA	158
Phosphosite 3:	PODN	Q7Z5L7	S376	NALERVPSGLPRRVR	87 / 8 AA	69
Phosphosite 4:	PI5PA	Q15735	S942	GSSEEGPSGLPGPWA	88 / 9 AA	107
Phosphosite 5:	COL1A1	P02452	T478	ARGEPGPTGLPGPPG	77 / 9 AA	139
Phosphosite 6:	COL8A2	P25067	S462	QPGLRGPSGIPGLQG	87 / 8 AA	67
Phosphosite 7:	COL24A1	Q17RW2	S1181	HQGQPGPSGLPGPKG	77 / 9 AA	175
Phosphosite 8:	COL4A4	P53420	S941	EPGEKGMSGLPGDRG	77 / 9 AA	164
Phosphosite 9:	COL4A2	P08572	T1112	LKGERGTTGIPGLKG	66 / 9 AA	168
Phosphosite 10:	COL25A1	Q9BXS0	Y585	EPGPRGPYGLPGKDG	87 / 8 AA	65
Phosphosite 11:	COL22A1	Q8NFW1	S1233	PPGPQGPSGLPGIPG	87 / 8 AA	161
Phosphosite 12:	COL9A1	P20849	T744	VQGEQGATGLPGVQG	66 / 9 AA	92
Phosphosite 13:	KCNG1	Q9UIX4	S222	DMVERPHSGLPGKVF	77 / 9 AA	58
Phosphosite 14:	COL4A6	Q14031	S1421	IPGKDGPSGLPGPPG	100 / 7 AA	164
Phosphosite 15:	COL4A4	P53420	T1357	PPGRKGPTGLPGPRG	75 / 8 AA	164
Phosphosite 16:	COL16A1	Q07092	S389	ESGALGPSGLPGSTG	100 / 7 AA	158
Phosphosite 17:	COL1A2	P08123	S639	TAGPSGPSGLPGERG	87 / 8 AA	129
Phosphosite 18:	COL4A3	Q01955	S96	SKGVRGISGLPGFSG	87 / 8 AA	162
Phosphosite 19:	COL5A3	P25940	S1387	PPGPLGPSGLPGLKG	100 / 7 AA	172
Phosphosite 20:	COL9A3	Q14050	S144	LRGPPGPSGLPGLPG	87 / 8 AA	64