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:	S215
P-Site Sequence:	KQKLCEESVCPTRIP
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	S215	KQKLCEESVCPTRIP	100 / 9 AA	99
Phosphosite 1:	TANC1	Q9C0D5	S1472	SPQEESVSPTPRSQP	85 / 7 AA	202
Phosphosite 2:	TANC1	Q9C0D5	S1470	ETSPQEESVSPTPRS	85 / 7 AA	202
Phosphosite 3:	PRDM10	Q9NQV6	S490	LQPQHEESVVPTQST	75 / 8 AA	130
Phosphosite 4:	CDK5RAP2	Q96SN8	T51	LPNVSEETVSPTRAR	55 / 9 AA	215
Phosphosite 5:	Putative keratin-associated protein 10-like ENSP00000375148	A8MX34	S134	QQSSCQESVCMSGSC	83 / 6 AA	35
Phosphosite 6:	GPR179	Q6PRD1	S1534	KLSQQQESVCPREST	83 / 6 AA	257
Phosphosite 7:	HIVEP1	P15822	S128	EASKSEESVSPKKPL	62 / 8 AA	297
Phosphosite 8:	CDK5RAP2	Q96SN8	S53	NVSEETVSPTRARNM	71 / 7 AA	215
Phosphosite 9:	WDFY3	Q8IZQ1	S757	EDVISIESVSPTLRH	55 / 9 AA	395
Phosphosite 10:	TRIM47	Q96LD4	S180	PLRRLEESLCPRHLR	83 / 6 AA	70
Phosphosite 11:	HEAT repeat-containing protein 7B1	A6NES4	Y274	KHLEESVYPVMTEEE	83 / 6 AA	193
Phosphosite 12:	HEAT repeat-containing protein 7B1	A6NES4	S272	YLKHLEESVYPVMTE	83 / 6 AA	193
Phosphosite 13:	ZNF187	Q16670	S261	TGKKLCESDVCQSSS	62 / 8 AA	55
Phosphosite 14:	TLN2	Q9Y4G6	S428	TMLEESVSPKKSTIL	71 / 7 AA	272
Phosphosite 15:	TLN2	Q9Y4G6	S426	ESTMLEESVSPKKST	71 / 7 AA	272
Phosphosite 16:	HIVEP1	P15822	S130	SKSEESVSPKKPLFL	71 / 7 AA	297
Phosphosite 17:	ADCY9	O60503	T433	FDRLCEETKCEKIST	71 / 7 AA	151
Phosphosite 18:	ZXDB	P98169	S747	SSTLCENSVSELLTP	71 / 7 AA	85
Phosphosite 19:	ZXDA	P98168	S743	SSTLCENSVSELLTP	71 / 7 AA	85
Phosphosite 20:	PPFIBP1	Q86W92	Y924	KQEDGEEYVCPMELG	71 / 7 AA	114