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:	COL9A3
Human P-Site:	S129
P-Site Sequence:	PPGEAGVSGPPGGIG
UniProt:	Q14050
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	COL9A3	Q14050	S129	PPGEAGVSGPPGGIG	100 / 9 AA	64
Phosphosite 1:	COL4A1	P02462	S237	DKGDQGVSGPPGVPG	77 / 9 AA	161
Phosphosite 2:	CIC	Q96RK0	S1197	GSFEAGASGRPGPAP	77 / 9 AA	164
Phosphosite 3:	CO3A1	P02461	S212	EPGQAGPSGPPGPPG	77 / 9 AA	139
Phosphosite 4:	COL16A1	Q07092	S843	GPPGASVSGPPGRDG	87 / 8 AA	158
Phosphosite 5:	COL4A5	P29400	S490	NCIGTGISGPPGQPG	75 / 8 AA	161
Phosphosite 6:	TAF4	O00268	S326	AGGPAGVSGQPGPGA	87 / 8 AA	110
Phosphosite 7:	TTLL2	Q9BWV7	S53	RLQEAGVSIPPRRGR	87 / 8 AA	67
Phosphosite 8:	COL5A1	P20908	S1386	PTGEPGPSGPPGKRG	77 / 9 AA	184
Phosphosite 9:	COL2A1	P02458	S236	EPGEPGVSGPMGPRG	77 / 9 AA	142
Phosphosite 10:	COL1A2	P08123	S804	PPGPSGISGPPGPPG	75 / 8 AA	129
Phosphosite 11:	SUCLA2	Q9P2R7	S70	LLQEAGVSVPKGYVA	77 / 9 AA	50
Phosphosite 12:	COL4A6	Q14031	S273	PKGFPGISGPPGFPG	75 / 8 AA	164
Phosphosite 13:	COL4A5	P29400	S1136	PPGPKGISGPPGNPG	85 / 7 AA	161
Phosphosite 14:	RHOBTB2	Q9BYZ6	S357	SVDEAGGSGPAGLRA	77 / 9 AA	83
Phosphosite 15:	SFTPD	P35247	S105	PKGDTGPSGPPGPPG	66 / 9 AA	38
Phosphosite 16:	TTN	Q8WZ42	S22413	FRLEADVSGRPPPTM	75 / 8 AA	3816
Phosphosite 17:	TBX5	Q99593	S298	YQCENGVSGPSQDLL	75 / 8 AA	58
Phosphosite 18:	UBN2	Q6ZU65	S725	TSLVASVSGPPTSSS	85 / 7 AA	146
Phosphosite 19:	COL7A1	Q02388	S1373	RKGDPGPSGPPGPRG	66 / 9 AA	295
Phosphosite 20:	COL5A1	P20908	S651	HRGDPGPSGPPGPPG	66 / 9 AA	184