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:	COL28A1
Human P-Site:	T420
P-Site Sequence:	EKGSEGPTGPQGLQG
UniProt:	Q2UY09
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	COL28A1	Q2UY09	T420	EKGSEGPTGPQGLQG	100 / 9 AA	117
Phosphosite 1:	IRS1	P35568	T1045	SAASASPTGPQGAAE	77 / 9 AA	132
Phosphosite 2:	C1QTNF9	P0C862	T169	PKGEAGPTGPQGEPG	100 / 7 AA	35
Phosphosite 3:	C1QTNF9B	B2RNN3	T169	PKGEAGPTGPQGEPG	100 / 7 AA	35
Phosphosite 4:	COL11A2	P13942	S708	TKGNQGPSGPQGPLG	66 / 9 AA	172
Phosphosite 5:	COL5A1	P20908	T1551	AKGSSGPTGPKGEAG	77 / 9 AA	184
Phosphosite 6:	Tiam1	Q13009	T302	HCLSEGATNPQISHS	75 / 8 AA	178
Phosphosite 7:	ARHGAP22	Q7Z5H3	S359	PVPEGPTSPRGGLQC	75 / 8 AA	77
Phosphosite 8:	COL1A2	P08123	T59	RDGEDGPTGPPGPPG	75 / 8 AA	129
Phosphosite 9:	COL1A1	P02452	S418	FPGARGPSGPQGPGG	85 / 7 AA	139
Phosphosite 10:	COL11A2	P13942	S1008	LKGNEGPSGPPGPAG	66 / 9 AA	172
Phosphosite 11:	RasGRP1	O95267	S687	WIGSEGPSGPFVLSS	85 / 7 AA	90
Phosphosite 12:	COL11A2	P13942	T843	PRGERGPTGPRGQRG	85 / 7 AA	172
Phosphosite 13:	SPATC1	Q76KD6	T240	EPLRGGPTGPQSPAC	100 / 6 AA	62
Phosphosite 14:	COL4A2	P08572	T156	PPGSEGFTGPPGPQG	77 / 9 AA	168
Phosphosite 15:	COL1A2	P08123	S999	AVGPRGPSGPQGIRG	85 / 7 AA	129
Phosphosite 16:	COL5A1	P20908	T915	PRGQRGPTGPRGERG	85 / 7 AA	184
Phosphosite 17:	COL11A1	P12107	T885	PRGQRGPTGPRGSRG	85 / 7 AA	181
Phosphosite 18:	LPA1	Q92633	T335	CQRSENPTGPTEGSD	85 / 7 AA	41
Phosphosite 19:	COL11A1	P12107	T462	PPGLQGPTGPPGDPG	75 / 8 AA	181
Phosphosite 20:	COL6A6	A6NMZ7	T1560	AHGRRGHTGPQGTAG	85 / 7 AA	247