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:	COL21A1
Human P-Site:	T486
P-Site Sequence:	GYQGIAGTPGVPGSP
UniProt:	Q96P44
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	COL21A1	Q96P44	T486	GYQGIAGTPGVPGSP	100 / 9 AA	99
Phosphosite 1:	CTHRC1	Q96CG8	T77	GANGIPGTPGIPGRD	77 / 9 AA	26
Phosphosite 2:	COL4A1	P02462	T1000	GDPGISGTPGAPGLP	77 / 9 AA	161
Phosphosite 3:	COL5A2	P05997	T772	GERGIAGTPGPKGDR	100 / 7 AA	145
Phosphosite 4:	COL4A1	P02462	S1199	GFPGLAGSPGIPGSK	66 / 9 AA	161
Phosphosite 5:	SIPA1L1	O43166	T68	GSHHITSTPGVPKMG	75 / 8 AA	200
Phosphosite 6:	COL4A1	P02462	T183	GFPGIPGTPGPPGLP	77 / 9 AA	161
Phosphosite 7:	COL1A2	P08123	T170	GARGFPGTPGLPGFK	66 / 9 AA	129
Phosphosite 8:	COL2A1	P02458	T280	GARGFPGTPGLPGVK	66 / 9 AA	142
Phosphosite 9:	COL4A1	P02462	T973	GSRGDPGTPGVPGKD	77 / 9 AA	161
Phosphosite 10:	NPHS2	Q9NP85	T53	SGSGRAGTPGEPRAP	77 / 9 AA	42
Phosphosite 11:	SOX9	P48436	S484	YTPIADTSGVPSIPQ	75 / 8 AA	56
Phosphosite 12:	COL4A6	Q14031	S1055	GSQGIRGSPGLPGAS	66 / 9 AA	164
Phosphosite 13:	COL12A1	Q99715	T2825	GLPGRTGTPGLPGPP	66 / 9 AA	333
Phosphosite 14:	COL4A1	P02462	S998	PKGDPGISGTPGAPG	85 / 7 AA	161
Phosphosite 15:	GCLC	P48506	T105	GSYMIEGTPGQPYGG	75 / 8 AA	73
Phosphosite 16:	COL19A1	Q14993	T654	GLPGLPGTPGTPGND	66 / 9 AA	115
Phosphosite 17:	XYLT2	Q9H1B5	S87	RWRGRAESPGVPVAK	66 / 9 AA	97
Phosphosite 18:	IRF2BP1	Q8IU81	T416	GGPYSAETPGVPSPI	85 / 7 AA	62
Phosphosite 19:	SFTPA1	Q8IWL2	T35	GSPGIPGTPGSHGLP	85 / 7 AA	26
Phosphosite 20:	SFTPA2	Q8IWL1	T35	GSPGIPGTPGSHGLP	85 / 7 AA	26