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:	S56
P-Site Sequence:	APRCGCCSPLCPKRV
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	S56	APRCGCCSPLCPKRV	100 / 9 AA	15
Phosphosite 1:	MYO15A	Q9UKN7	S790	SPGLGYCSPLAPPSP	75 / 8 AA	395
Phosphosite 2:	CHST2	Q9Y4C5	S261	TNKVVCSSPLCPAYR	85 / 7 AA	58
Phosphosite 3:	ITPKC	Q96DU7	S322	LYSHLKCSPLCPVPR	100 / 6 AA	75
Phosphosite 4:	DIS3L	Q8TF46	S35	RPCVPCHSPLCPQPA	85 / 7 AA	121
Phosphosite 5:	CACNA1D	Q01668	S491	ENRGCCGSLCQAISK	62 / 8 AA	245
Phosphosite 6:	MYO15A	Q9UKN7	Y788	RSSPGLGYCSPLAPP	83 / 6 AA	395
Phosphosite 7:	ZNF2	Q9BSG1	S119	RECLGRQSPLCPKFE	75 / 8 AA	49
Phosphosite 8:	TARBP1	Q13395	S442	SPGQPIGSCSPLGLK	71 / 7 AA	182
Phosphosite 9:	PGLYRP1	O75594	S31	TEDPACCSPIVPRNE	62 / 8 AA	22
Phosphosite 10:	TARBP1	Q13395	S444	GQPIGSCSPLGLKLQ	71 / 7 AA	182
Phosphosite 11:	MYO15B	Q96JP2	S12	SGVGGGHSPMCPPHC	62 / 8 AA	167
Phosphosite 12:	KCTD19	Q17RG1	S270	PTTCSPLSPGKGART	83 / 6 AA	105
Phosphosite 13:	FAM135B	Q49AJ0	S813	QGSPGSCSQLCGDSG	71 / 7 AA	156
Phosphosite 14:	DENND2A	Q9ULE3	S187	QLPGTCYSPHCPPDK	71 / 7 AA	114
Phosphosite 15:	HIC1	Q14526	S237	CASERRCSPLCGLDL	100 / 5 AA	76
Phosphosite 16:	GLCCI1	Q86VQ1	S368	SSHSPCVSPFCPPES	71 / 7 AA	58
Phosphosite 17:	KCTD19	Q17RG1	S267	GCSPTTCSPLSPGKG	83 / 6 AA	105
Phosphosite 18:	CDKN2A	Q8N726	S21	RGQEWRCSPLVPKGG	83 / 6 AA	18
Phosphosite 19:	PPARA	Q07869	S6	__MVDTESPLCPLSP	100 / 5 AA	52
Phosphosite 20:	VWF	P04275	S2775	QDQCSCCSPTRTEPM	83 / 6 AA	309