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:	S754
P-Site Sequence:	AIGSKGESGVDGLMG
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	S754	AIGSKGESGVDGLMG	100 / 9 AA	99
Phosphosite 1:	OTOL1	A6NHN0	S271	EKGSKGDSGMEGKSG	66 / 9 AA	49
Phosphosite 2:	LSM14A	Q8ND56	S340	NGEDKGDSGVDTQNS	85 / 7 AA	51
Phosphosite 3:	BAT2L1	Q5JSZ5	S977	FKSSQGDSGVDLSAE	75 / 8 AA	166
Phosphosite 4:	PDA6	Q15084	S248	KIFQKGESPVDYDGG	85 / 7 AA	48
Phosphosite 5:	GRM4	Q14833	S233	SEGSYGESGVEAFIQ	66 / 9 AA	102
Phosphosite 6:	NOTO	A8MTQ0	S247	IQSDDAESGVDG___	85 / 7 AA	27
Phosphosite 7:	TTN	Q8WZ42	S6053	TCQAKNESGVERCYA	62 / 8 AA	3816
Phosphosite 8:	WDR63	Q8IWG1	T574	VRLSKGETSLDHCPT	62 / 8 AA	103
Phosphosite 9:	PLCE1	Q9P212	S1421	HQLKGESSVELYSQV	71 / 7 AA	259
Phosphosite 10:	COL1A2	P08123	S357	PAGSKGESGNKGEPG	77 / 9 AA	129
Phosphosite 11:	CD27	P26842	S224	YRSNKGESPVEPAEP	62 / 8 AA	29
Phosphosite 12:	COL27A1	Q8IZC6	S1495	PPGFKGESGLPGQLG	75 / 8 AA	187
Phosphosite 13:	MCRS1	Q96EZ8	S77	STRAKGASGVEPGRC	62 / 8 AA	52
Phosphosite 14:	DNAJC14	Q6Y2X3	S101	ETSSEEESGVDQELS	75 / 8 AA	79
Phosphosite 15:	ZFHX3	Q15911	S1079	KHLQQHESGVEGESC	83 / 6 AA	404
Phosphosite 16:	RSKL1	Q96S38	S872	DSETKGESGLVLEGD	71 / 7 AA	119
Phosphosite 17:	BAT2	P48634	S1651	TEMSQSDSGVDLSGD	62 / 8 AA	229
Phosphosite 18:	GSK3B	P49841	S261	QPIFPGDSGVDQLVE	83 / 6 AA	47
Phosphosite 19:	GSK3A	P49840	S324	QPIFPGDSGVDQLVE	83 / 6 AA	51
Phosphosite 20:	COLQ	Q9Y215	S245	KQGQKGDSGVMGPPG	75 / 8 AA	48