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:	Y687
P-Site Sequence:	GSPGEPGYMGLPGIQ
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	Y687	GSPGEPGYMGLPGIQ	100 / 9 AA	99
Phosphosite 1:	COL5A2	P05997	S613	GIRGQPGSMGLPGPK	77 / 9 AA	145
Phosphosite 2:	COL28A1	Q2UY09	S508	GPKGEPGSIGLPGQP	77 / 9 AA	117
Phosphosite 3:	COL4A1	P02462	Y309	GFPGEPGYPGLIGRQ	87 / 8 AA	161
Phosphosite 4:	COL27A1	Q8IZC6	Y758	GPKGSRGYIGLPGLF	66 / 9 AA	187
Phosphosite 5:	PCTAIRE3	Q07002	Y453	QLQKDPGYRGLAFQQ	62 / 8 AA	54
Phosphosite 6:	ME2	P23368	Y218	ALLKDPFYMGLYQKR	71 / 7 AA	65
Phosphosite 7:	PCDH17	O14917	Y865	NFPAEPNYMGSRQQF	71 / 7 AA	126
Phosphosite 8:	ZNF638	Q14966	S36	GPFMRPGSMGLPRFY	85 / 7 AA	221
Phosphosite 9:	GPR179	Q6PRD1	Y576	SAFHEPRYMGIALHN	62 / 8 AA	257
Phosphosite 10:	BICC1	Q9H694	Y9	AAQGEPGYLAAQSDP	71 / 7 AA	105
Phosphosite 11:	PDE4DIP	Q5VU43	Y1804	GRILEPGYLGSSGKW	83 / 6 AA	130
Phosphosite 12:	NCM	Q9HCG8	Y593	FFQELCEYMGLPKLN	100 / 5 AA	106
Phosphosite 13:	SLC25A43	Q8WUT9	S143	MQNILEPSYRGLLHA	71 / 7 AA	38
Phosphosite 14:	SOX21	Q9Y651	Y234	PSPGNPGYMIPCNCS	83 / 6 AA	29
Phosphosite 15:	COL6A1	P12109	Y339	GVKGEMGYPGLPGCK	77 / 9 AA	109
Phosphosite 16:	HSPG2	P98160	Y1536	ECRCPPGYIGLSCQD	83 / 6 AA	469
Phosphosite 17:	C15orf2	Q9NZP6	Y851	KEEYIRFYMGLPGSG	100 / 5 AA	121
Phosphosite 18:	ACSM2A	Q68CK6	Y382	TMKIKPGYMGTAASC	83 / 6 AA	64
Phosphosite 19:	ACSM2A	Q08AH3	Y382	TMKIKPGYMGTAASC	83 / 6 AA	64
Phosphosite 20:	C1QTNF6	Q9BXI9	Y91	GPMGLPGYMGREGPQ	85 / 7 AA	29