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:	S29
P-Site Sequence:	AEDGEVRSSCRTAPT
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	S29	AEDGEVRSSCRTAPT	100 / 9 AA	99
Phosphosite 1:	COL21A1	Q96P44	S30	EDGEVRSSCRTAPTD	100 / 8 AA	99
Phosphosite 2:	ATAD2B	Q9ULI0	S168	GDMEVRKSCRSRKNR	75 / 8 AA	165
Phosphosite 3:	SFRS17A	Q02040	S528	PCKEVQSSCRVVPED	75 / 8 AA	81
Phosphosite 4:	SFRS17A	Q02040	S527	APCKEVQSSCRVVPE	75 / 8 AA	81
Phosphosite 5:	ATAD2	Q6PL18	S157	GDVEVRRSCRIRSRY	75 / 8 AA	159
Phosphosite 6:	CCDC64	Q6ZP65	S298	ELQEVRLSCRQLQVK	85 / 7 AA	55
Phosphosite 7:	TRIM28	Q13263	S279	KSTKEVRSSIRQVSD	85 / 7 AA	89
Phosphosite 8:	TRIM28	Q13263	S280	STKEVRSSIRQVSDV	85 / 7 AA	89
Phosphosite 9:	TRIM16L	Q309B1	S241	DQKGEERSSCISGNN	85 / 7 AA	40
Phosphosite 10:	CYP26C1	Q6V0L0	S171	ALRHEVRSWCAAGGP	83 / 6 AA	57
Phosphosite 11:	C1orf174	Q8IYL3	S12	KLTGAVRSSARLKAR	75 / 8 AA	26
Phosphosite 12:	MTHFD1L	Q6UB35	S59	PQDGQARSSCSPGGR	71 / 7 AA	106
Phosphosite 13:	GAS2L2	Q8NHY3	S619	MKLLEVRSACPQGTR	83 / 6 AA	97
Phosphosite 14:	TOX	O94900	S495	QAMEYVRSGCRNPPP	71 / 7 AA	58
Phosphosite 15:	ZDBF2	Q9HCK1	S2298	PKRPVRASCRVARRR	71 / 7 AA	266
Phosphosite 16:	KIF2B	Q8N4N8	S409	NLVEIGNSCRTSRQT	62 / 8 AA	76
Phosphosite 17:	RRBP1	Q9P2E9	S931	SSEAEVRSKCEELSG	71 / 7 AA	152
Phosphosite 18:	C4B	P0C0L5	S1672	RNFLVRASCRLRLEP	83 / 6 AA	193
Phosphosite 19:	C4A	P0C0L4	S1672	RNFLVRASCRLRLEP	83 / 6 AA	193
Phosphosite 20:	RBM15	Q96T37	S142	SGGGESRSSSRGGGG	75 / 8 AA	107