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:	S943
P-Site Sequence:	CDPSLCFSVIARRDP
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	S943	CDPSLCFSVIARRDP	100 / 9 AA	99
Phosphosite 1:	PLEKHH2	Q8IVE3	S1222	YKNRLYFSVQARGET	75 / 8 AA	168
Phosphosite 2:	GAS6	Q14393	S515	NTRMQCFSVTERGSF	71 / 7 AA	80
Phosphosite 3:	GAS6	Q14393	T517	RMQCFSVTERGSFYP	71 / 7 AA	80
Phosphosite 4:	ZNF641	Q96N77	S119	KDVSLCFSQEEWRSL	55 / 9 AA	50
Phosphosite 5:	PLEKHG3	A1L390	T361	TRDSLCFTVTHYKHS	71 / 7 AA	134
Phosphosite 6:	FAM129C	Q86XR2	S206	FRRHLCFSAATREAQ	62 / 8 AA	77
Phosphosite 7:	WDR32	Q5QP82	S481	YIKELCFSPDGRMIS	62 / 8 AA	61
Phosphosite 8:	UNG	P13051	S168	QAHGLCFSVQRPVPP	83 / 6 AA	35
Phosphosite 9:	TTN	Q8WZ42	S9831	PDDEGVYSVIARLEP	83 / 6 AA	3816
Phosphosite 10:	NLRP4	Q96MN2	S605	SLRKLCFSVQNVFKK	100 / 5 AA	113
Phosphosite 11:	AMHR2	Q16671	S206	ELPELCFSQVIREGG	62 / 8 AA	63
Phosphosite 12:	KIAA0753	Q2KHM9	S90	LGSSVSFSVISQERL	55 / 9 AA	109
Phosphosite 13:	CCL4L1	Q8NHW4	T39	TACCFSYTARKLPRN	71 / 7 AA	10
Phosphosite 14:	HMSD	A8MTL9	S29	MSQALCFSKIGGEDG	62 / 8 AA	15
Phosphosite 15:	FUZ	Q9BT04	S41	ARQQLPFSVIGSLNG	71 / 7 AA	46
Phosphosite 16:	WRAP53	Q9BUR4	S282	DELTAAHSLCFSPDG	100 / 5 AA	59
Phosphosite 17:	CCL4L1	Q8NHW4	Y38	PTACCFSYTARKLPR	71 / 7 AA	10
Phosphosite 18:	GH2	P01242	S77	FLQNPQTSLCFSESI	100 / 5 AA	25
Phosphosite 19:	GH	P01241	S77	FLQNPQTSLCFSESI	100 / 5 AA	25
Phosphosite 20:	ADNP	Q9H2P0	S629	TLCPLCFSILKGPIS	57 / 7 AA	124