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:	S435
P-Site Sequence:	GECLNGPSDVGSTPA
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	S435	GECLNGPSDVGSTPA	100 / 9 AA	99
Phosphosite 1:	MAGI3	Q5TCQ9	S582	GDGLNGPSDASEQRV	85 / 7 AA	166
Phosphosite 2:	HIPK3	Q9H422	S1035	PGRLNQPSAVGTRQQ	66 / 9 AA	134
Phosphosite 3:	SMTN	P53814	S387	RLLLSGPSDTSSRFS	66 / 9 AA	100
Phosphosite 4:	SLC39A3	Q9BRY0	S125	LETFNAGSDVGSDSE	66 / 9 AA	34
Phosphosite 5:	C19orf6	Q4ZIN3	S616	MAPTEAPSEVGS___	62 / 8 AA	68
Phosphosite 6:	PYGO1	Q9Y3Y4	S413	TRETFGPSAVGSDA_	85 / 7 AA	45
Phosphosite 7:	RALGAPA2	Q2PPJ7	T877	EEDPELNTPTDVVAD	71 / 7 AA	211
Phosphosite 8:	RC3H2	Q9HBD1	S566	AATSAGPSNVGTELN	71 / 7 AA	132
Phosphosite 9:	PCNX	Q96RV3	S121	RKDSNGPSDPGGGIE	85 / 7 AA	259
Phosphosite 10:	PRRT3	Q5FWE3	S741	NNCYAGPSNVGAGSL	71 / 7 AA	102
Phosphosite 11:	NARG2	Q659A1	S687	SEQLSGPSDSSSWPK	66 / 9 AA	110
Phosphosite 12:	MUC19	Q7Z5P9	S2154	ESATTGPSDEGSGTT	75 / 8 AA	598
Phosphosite 13:	NASP	P49321	S384	DGAVNGPSVVGDQTP	75 / 8 AA	85
Phosphosite 14:	SPP1	P10451	S215	AQDLNAPSDWDSRGK	66 / 9 AA	35
Phosphosite 15:	ACOT11	Q8WXI4	S276	MFHFRGPSQVGDRLV	62 / 8 AA	68
Phosphosite 16:	NARG2	Q659A1	S684	PSVSEQLSGPSDSSS	83 / 6 AA	110
Phosphosite 17:	FAM171A2	A8MVW0	S357	QHRKLQLSGPSDGNK	83 / 6 AA	87
Phosphosite 18:	GRIP1	Q9Y3R0	S975	TRSNTLPSDVGRKSV	83 / 6 AA	122
Phosphosite 19:	CNTN3	Q9P232	S189	YISKVEPSDVGNYTC	83 / 6 AA	113
Phosphosite 20:	SMTN	P53814	S384	LLQRLLLSGPSDTSS	83 / 6 AA	100