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:	C21orf121
Human P-Site:	S25
P-Site Sequence:	PAPPSSSSPTVVFQP
UniProt:	Q8N0V1
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C21orf121	Q8N0V1	S25	PAPPSSSSPTVVFQP	100 / 9 AA	15
Phosphosite 1:	FMNL2	Q96PY5	S602	PPLPGTSSPTVVFNS	77 / 9 AA	123
Phosphosite 2:	C21orf121	Q8N0V1	S24	LPAPPSSSSPTVVFQ	100 / 8 AA	15
Phosphosite 3:	FER1L4	A9Z1Z3	S1412	TLPPGSSSPTVASGD	87 / 8 AA	201
Phosphosite 4:	HSPG2	P98160	T2640	RIESSSPTVVEGQTL	100 / 7 AA	469
Phosphosite 5:	C21orf121	Q8N0V1	T27	PPSSSSPTVVFQPHR	100 / 7 AA	15
Phosphosite 6:	HSPG2	P98160	S2638	PIRIESSSPTVVEGQ	100 / 7 AA	469
Phosphosite 7:	FER1L4	A9Z1Z3	S1411	ETLPPGSSSPTVASG	87 / 8 AA	201
Phosphosite 8:	NISCH	Q9Y2I1	S490	PCIRPSSSPPTVAPA	87 / 8 AA	167
Phosphosite 9:	CADPS	Q9ULU8	S93	GGRPSSPSPSVVSEK	77 / 9 AA	153
Phosphosite 10:	Trpc1	P48995	S27	PSSPSSSSPNEVMAL	77 / 9 AA	91
Phosphosite 11:	C21orf121	Q8N0V1	S23	RLPAPPSSSSPTVVF	100 / 7 AA	15
Phosphosite 12:	FRMD6	Q96NE9	S512	GSSTSSSSETVVKLR	87 / 8 AA	72
Phosphosite 13:	HCFC1	P51610	S563	TQKIPPSSAPTVLSV	75 / 8 AA	209
Phosphosite 14:	RUNX2	Q13950	T505	GSHSSSPTVLNSSGR	85 / 7 AA	57
Phosphosite 15:	RUNX2	Q13950	S503	ADGSHSSSPTVLNSS	85 / 7 AA	57
Phosphosite 16:	C17orf28	Q8IV36	S301	HDSASSASPTVDGTT	75 / 8 AA	89
Phosphosite 17:	LXR-beta	P55055	T29	GAPSSSPTVKEEGPE	100 / 6 AA	51
Phosphosite 18:	EBF2	Q9HAK2	S514	PYGIMSSSPTVGSSS	100 / 6 AA	63
Phosphosite 19:	EBF2	Q9HAK2	S513	SPYGIMSSSPTVGSS	100 / 6 AA	63
Phosphosite 20:	UBN2	Q6ZU65	S1093	TVSPSSSSPNALVAQ	66 / 9 AA	146