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:	COL2A1
Human P-Site:	S869
P-Site Sequence:	APGPQGPSGAPGPQG
UniProt:	P02458
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	COL2A1	P02458	S869	APGPQGPSGAPGPQG	100 / 9 AA	142
Phosphosite 1:	COL5A1	P20908	S1260	PPGPRGPSGAPGADG	88 / 9 AA	184
Phosphosite 2:	COL4A3	Q01955	S374	ARGPQGPSGPPGVPG	88 / 9 AA	162
Phosphosite 3:	COL22A1	Q8NFW1	S1233	PPGPQGPSGLPGIPG	88 / 9 AA	161
Phosphosite 4:	COL10A1	Q03692	T164	KPGQQGPTGAPGPRG	87 / 8 AA	66
Phosphosite 5:	EMID1	Q96A84	T293	NHWPQGPTGPPGPPG	77 / 9 AA	45
Phosphosite 6:	COL5A1	P20908	T957	PNGPQGPTGFPGPKG	77 / 9 AA	184
Phosphosite 7:	COL1A1	P02452	S988	EPGKQGPSGASGERG	87 / 8 AA	139
Phosphosite 8:	COL1A1	P02452	S1132	SPGEQGPSGASGPAG	87 / 8 AA	139
Phosphosite 9:	COL24A1	Q17RW2	S764	DPGLQGPSGPPGPEG	87 / 8 AA	175
Phosphosite 10:	COL19A1	Q14993	S922	FPGPEGPSGKPGING	77 / 9 AA	115
Phosphosite 11:	COL2A1	P02458	S578	PQGKVGPSGAPGEDG	100 / 7 AA	142
Phosphosite 12:	COL6A2	P12110	S399	SKGYQGNSGAPGSPG	87 / 8 AA	109
Phosphosite 13:	COL9A2	Q14055	S148	DPGPDGPSGPPGPPG	77 / 9 AA	65
Phosphosite 14:	COL4A5	P29400	S1047	VEGPPGPSGVPGQPG	77 / 9 AA	161
Phosphosite 15:	COL5A3	P25940	S1387	PPGPLGPSGLPGLKG	77 / 9 AA	172
Phosphosite 16:	Putative UPF0633 protein LOC554249	Q5XG85	S14	RASNPGPSGAPGTRR	100 / 7 AA	11
Phosphosite 17:	Putative UPF0633 protein ENSP00000303136	Q5VV11	S14	RASNPGPSGAPGTRQ	100 / 7 AA	11
Phosphosite 18:	Putative UPF0633 protein MGC21881	A6NN06	S14	RASNPGPSGAPGTRR	100 / 7 AA	11
Phosphosite 19:	CO3A1	P02461	S896	NPGPPGPSGSPGKDG	77 / 9 AA	139
Phosphosite 20:	EEF1DP3	Q658K8	S120	AHVSHAPSGAPGQEA	75 / 8 AA	14