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:	S250
P-Site Sequence:	VKKRIQLSPKKIKGY
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	S250	VKKRIQLSPKKIKGY	100 / 9 AA	99
Phosphosite 1:	ECEL1	O95672	S550	IRFSIQLSVKKIRQE	87 / 8 AA	88
Phosphosite 2:	NAB1	Q13506	S328	CGERDELSPKRIKVE	66 / 9 AA	54
Phosphosite 3:	ANKRD36B	Q8N2N9	S24	VRLRIELSPQKQPAE	75 / 8 AA	127
Phosphosite 4:	KIAA1641	A6QL64	S24	VRLRIELSPQKQPAE	75 / 8 AA	127
Phosphosite 5:	MYO1A	Q9UBC5	S837	KRFRDQLSPKQVEIL	66 / 9 AA	118
Phosphosite 6:	CNTN5	O94779	T577	EPTRIELTPKRTELT	55 / 9 AA	121
Phosphosite 7:	FLJ40925	Q8N7K9	S329	TTARIQLSPGAHLSS	100 / 6 AA	60
Phosphosite 8:	ATHL1	Q32M88	S689	SAGRIQMSPPKLPGS	66 / 9 AA	81
Phosphosite 9:	LPHN1	O94910	S711	RKNSIQLSAKTIKQN	66 / 9 AA	163
Phosphosite 10:	SH3D19	Q5HYK7	S467	DTGRVHLSQMKIITP	55 / 9 AA	87
Phosphosite 11:	EIF4E1B	A6NMX2	S215	YKERLGLSPKTIIGY	66 / 9 AA	28
Phosphosite 12:	ARHGEF16	Q5VV41	S174	QGDAIQLSPKLQALA	100 / 6 AA	80
Phosphosite 13:	BCKDK	O14874	S226	GIICTRLSPKKIIEK	75 / 8 AA	46
Phosphosite 14:	NCOA3	Q9Y6Q9	S728	VVKQEQLSPKKKENN	75 / 8 AA	155
Phosphosite 15:	SGOL1	Q5FBB7	S461	KIRRLSLSPKKNKAS	75 / 8 AA	64
Phosphosite 16:	TNRC18	O15417	S1136	EDKPIRLSPSKITEP	75 / 8 AA	315
Phosphosite 17:	PSME4	Q14997	S1121	SINQILLSPEKIKEG	66 / 9 AA	211
Phosphosite 18:	HGFAC	Q04756	S376	SLTRVQLSPDLLATL	71 / 7 AA	71
Phosphosite 19:	VWF	P04275	S2073	NEFQLQLSPKTFASK	55 / 9 AA	309
Phosphosite 20:	CDS1	Q92903	S272	RTPLIKLSPKKTWEG	75 / 8 AA	53