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:	S261
P-Site Sequence:	IKGYEVTSKVDLSEL
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	S261	IKGYEVTSKVDLSEL	100 / 9 AA	99
Phosphosite 1:	DGCR8	Q8WYQ5	S613	SRVYELTSKAGLLSP	66 / 9 AA	86
Phosphosite 2:	NECAB3	Q96P71	S135	KLEYERASKVDQFVT	66 / 9 AA	44
Phosphosite 3:	PARN	O95453	S242	KERYIVISKVDEEER	75 / 8 AA	73
Phosphosite 4:	BIN2	Q9UBW5	S236	HNLYEVMSKLEKQHS	62 / 8 AA	62
Phosphosite 5:	PPRC1	Q5VV67	S495	TVGTEVTSQVDNLQK	85 / 7 AA	178
Phosphosite 6:	RNF219	Q5W0B1	S332	SARQESTSKADLNCS	75 / 8 AA	81
Phosphosite 7:	ACOT12	Q8WYK0	T371	AKRGWEVTSTVEKIK	62 / 8 AA	62
Phosphosite 8:	NIBP	Q96Q05	S753	LEKLEVTSKVLTTKE	100 / 6 AA	129
Phosphosite 9:	AFF4	Q9UHB7	S43	AEPYKVTSKEDKLSS	75 / 8 AA	127
Phosphosite 10:	PDGFD	Q9GZP0	S256	RSYHDRKSKVDLDRL	55 / 9 AA	43
Phosphosite 11:	DGCR8	Q8WYQ5	T612	DSRVYELTSKAGLLS	62 / 8 AA	86
Phosphosite 12:	ANK2	Q01484	T2518	EEVSYEVTPKTTDVS	83 / 6 AA	430
Phosphosite 13:	ATAD2	Q6PL18	S1036	MDLSSVISKIDLHKY	71 / 7 AA	159
Phosphosite 14:	DYNC1H1	Q14204	T3781	KREAAEVTRKVEETD	71 / 7 AA	532
Phosphosite 15:	K6IRS3	Q86Y46	S249	DVDAAYTSKVELQAK	83 / 6 AA	59
Phosphosite 16:	IQGAP2	Q13576	S949	ALEEEIKSKVDQVQD	62 / 8 AA	181
Phosphosite 17:	IQGAP1	P46940	S1036	ALQEEIKSKVDQIQE	62 / 8 AA	189
Phosphosite 18:	CEP135	Q66GS9	S629	SEKYELKSKVLIMKE	71 / 7 AA	134
Phosphosite 19:	DSP	P15924	S32	DLRYEVTSGGGGTSR	100 / 5 AA	332
Phosphosite 20:	ANLN	Q9NQW6	T700	IVRKEDVTSKLDEKN	71 / 7 AA	124