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:	COL1A1
Human P-Site:	S546
P-Site Sequence:	GLTGSPGSPGPDGKT
UniProt:	P02452
Intern. Prot. ID:	IPI00297646

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	COL1A1	P02452	S546	GLTGSPGSPGPDGKT	100 / 9 AA	139
Phosphosite 1:	ZNF444	Q8N0Y2	S235	THPGSPGSPGPALRP	100 / 8 AA	35
Phosphosite 2:	COL4A3	Q01955	S606	GDPGSPGSPGPAGPA	100 / 8 AA	162
Phosphosite 3:	COL5A1	P20908	S1454	GEQGLPGSPGPDGPP	88 / 9 AA	184
Phosphosite 4:	POLR2A	P24928	S1574	PTPGSPGSPGPSSPY	100 / 8 AA	217
Phosphosite 5:	CO3A1	P02461	S134	GQPGSPGSPGPPGIC	100 / 8 AA	139
Phosphosite 6:	C1QB	P02746	T44	GIPGIPGTPGPDGQP	77 / 9 AA	26
Phosphosite 7:	C21orf56	Q9H0A9	S63	PEAGSPGSGGPDFGR	88 / 9 AA	38
Phosphosite 8:	CREB3L3	Q68CJ9	S398	TREESPGSPGADWGF	87 / 8 AA	49
Phosphosite 9:	COL2A1	P02458	S400	GEPGTPGSPGPAGAS	87 / 8 AA	142
Phosphosite 10:	BMP2	P12643	S92	RHSGQPGSPAPDHRL	77 / 9 AA	45
Phosphosite 11:	AlphaK1	Q96L96	T1409	LVPGSPGTPGRERRS	66 / 9 AA	201
Phosphosite 12:	CO3A1	P02461	S1120	GNPGAPGSPGPAGQQ	87 / 8 AA	139
Phosphosite 13:	ZNF469	Q96JG9	S3558	ENEASPGSPGPLLQQ	87 / 8 AA	259
Phosphosite 14:	COL5A2	P05997	S451	GSAGPPGSPGPQGST	77 / 9 AA	145
Phosphosite 15:	C19orf35	Q6ZS72	S344	QPPGPPGSPGPHAPQ	77 / 9 AA	51
Phosphosite 16:	COL4A6	Q14031	S883	GLKGSPGSPGVAGLP	100 / 7 AA	164
Phosphosite 17:	CO3A1	P02461	S196	GHPGSPGSPGYQGPP	100 / 7 AA	139
Phosphosite 18:	COL1A1	P02452	T948	GPAGAPGTPGPQGIA	66 / 9 AA	139
Phosphosite 19:	COL12A1	Q99715	S2864	GPPGSPGSPGVTGPS	100 / 7 AA	333
Phosphosite 20:	COL4A3	Q01955	S515	GLKGSPGSPGNTGLP	100 / 7 AA	162