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:	S789
P-Site Sequence:	GKPGREFSEQFIRQV
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	S789	GKPGREFSEQFIRQV	100 / 9 AA	99
Phosphosite 1:	EVC	P57679	S307	EKKEREYSEQLIDNM	75 / 8 AA	112
Phosphosite 2:	HSPA4	P34932	S76	RFHGRAFSDPFVEAE	55 / 9 AA	94
Phosphosite 3:	EPPK1	P58107	S1289	GLVGRELSEQLGQAE	75 / 8 AA	553
Phosphosite 4:	SMARCA4	P51532	S1482	SSSGRQLSEVFIQLP	66 / 9 AA	185
Phosphosite 5:	SMARCA2	P51531	S1424	NSSGRQLSEVFIQLP	66 / 9 AA	181
Phosphosite 6:	MAGEE2	Q8TD90	S122	LEFLREYSDQFPEIL	71 / 7 AA	60
Phosphosite 7:	SCAND3	Q6R2W3	S443	SDNGREFSSQVVSEL	66 / 9 AA	152
Phosphosite 8:	MAGEE2	Q8TD90	Y121	MLEFLREYSDQFPEI	71 / 7 AA	60
Phosphosite 9:	VPS13C	Q709C8	S3406	WSVVRHYSEQFLKQM	62 / 8 AA	422
Phosphosite 10:	C21orf67	P58512	S192	FKGGREFSDPLDIPG	62 / 8 AA	21
Phosphosite 11:	CEP192	Q8TEP8	S616	STAGREFSGQVSHQT	85 / 7 AA	213
Phosphosite 12:	EVC	P57679	Y306	VEKKEREYSEQLIDN	71 / 7 AA	112
Phosphosite 13:	SYNGAP1	Q96PV0	T359	TLAGRHFTEQWYPVT	62 / 8 AA	148
Phosphosite 14:	SMARCC1	Q92922	T624	ASAGREWTEQETLLL	71 / 7 AA	123
Phosphosite 15:	CAPN1	P07384	S474	ANASRARSEQFINLR	66 / 9 AA	82
Phosphosite 16:	SRPK1	Q96SB4	S438	STVGQSFSEQHISQL	66 / 9 AA	74
Phosphosite 17:	EYS	Q5T1H1	S1571	IKSSREFSDQVLHSK	71 / 7 AA	351
Phosphosite 18:	VPS13C	Q709C8	Y3405	IWSVVRHYSEQFLKQ	71 / 7 AA	422
Phosphosite 19:	MAP2K4	P45985	S337	NSEEREFSPSFINFV	75 / 8 AA	44
Phosphosite 20:	RBM15	Q96T37	S929	AFPPCEFSQQFLDSP	71 / 7 AA	107