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:	S280
P-Site Sequence:	FPEGLPPSYVFVSTQ
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	S280	FPEGLPPSYVFVSTQ	100 / 9 AA	99
Phosphosite 1:	COL21A1	Q96P44	Y281	PEGLPPSYVFVSTQR	100 / 8 AA	99
Phosphosite 2:	BCoR	Q6W2J9	S636	NENGLPPSSIFLSPN	66 / 9 AA	192
Phosphosite 3:	PLA2G4F	Q68DD2	T232	TEPGLPPTFTFHVNP	62 / 8 AA	95
Phosphosite 4:	EpoR	P19235	Y504	AEPLPPSYVACS___	100 / 6 AA	55
Phosphosite 5:	FMN1	Q68DA7	Y1350	EKEITPSYVFMVWYE	62 / 8 AA	158
Phosphosite 6:	RGMB	Q6NW40	S159	RGDQNPPSYLFCGLF	71 / 7 AA	48
Phosphosite 7:	RGMB	Q6NW40	Y160	GDQNPPSYLFCGLFG	71 / 7 AA	48
Phosphosite 8:	FBN2	P35556	Y841	SCTCPPGYVFRTETE	83 / 6 AA	315
Phosphosite 9:	CASKIN2	Q8WXE0	Y754	PGQGPPPYVFMYPQG	71 / 7 AA	127
Phosphosite 10:	TMEM135	Q86UB9	S110	FGAALPASYVAILIE	55 / 9 AA	52
Phosphosite 11:	SDCCAG1	O60524	S647	KKNFLPPSYLMMGFS	62 / 8 AA	123
Phosphosite 12:	CTDSP1	Q9GZU7	S211	ILDNSPASYVFHPDN	83 / 6 AA	29
Phosphosite 13:	CLMN	Q96JQ2	S348	ETSHPPPSKVFVCDK	85 / 7 AA	112
Phosphosite 14:	MDN1	Q9NU22	S1241	KRCSLPPSYCSKLVK	71 / 7 AA	633
Phosphosite 15:	MARK4	Q96L34	S472	GSRGLPPSSPMVSSA	66 / 9 AA	83
Phosphosite 16:	TTF1	Q15361	S798	AIGDVPPSYVQTKFS	71 / 7 AA	103
Phosphosite 17:	MPHOSPH1	Q96Q89	Y15	EGVPRPSYVFSADPI	100 / 5 AA	211
Phosphosite 18:	Dicer1	Q9UPY3	Y1385	VNWLPPGYVVNQDKS	83 / 6 AA	219
Phosphosite 19:	RYR1	P21817	Y2714	AGALPPDYVDASYSS	83 / 6 AA	565
Phosphosite 20:	CTDSP1	Q9GZU7	Y212	LDNSPASYVFHPDNA	83 / 6 AA	29