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:	C21orf2
Human P-Site:	S203
P-Site Sequence:	RGQFPSLSARDASSS
UniProt:	O43822
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C21orf2	O43822	S203	RGQFPSLSARDASSS	100 / 9 AA	28
Phosphosite 1:	C21orf2	O43822	S201	PSRGQFPSLSARDAS	100 / 7 AA	28
Phosphosite 2:	SGSM1	Q2NKQ1	S240	MDDRPSLSARDYVES	100 / 7 AA	130
Phosphosite 3:	HS1BP3	Q53T59	S297	GGPTPSLSHRDASKE	87 / 8 AA	43
Phosphosite 4:	BTN2A3	Q96KV6	T503	QNQFPSLTAMETSPG	55 / 9 AA	66
Phosphosite 5:	TFEB	P19484	S429	GSPFPSLSKKDLDLM	75 / 8 AA	53
Phosphosite 6:	NOB1P	Q9ULX3	S80	TGDYPSLSATDIQVL	75 / 8 AA	47
Phosphosite 7:	C18orf8	Q96DM3	S209	KSTKPSLSERDIAMA	85 / 7 AA	75
Phosphosite 8:	SAGE1	Q9NXZ1	S147	AAGIPSMSTRDLHST	62 / 8 AA	99
Phosphosite 9:	C9orf47	Q6ZRZ4	S26	GPNKPSLSGRQAPAQ	75 / 8 AA	22
Phosphosite 10:	SGOL2	Q562F6	S673	ELQIPALSTRDNENQ	62 / 8 AA	145
Phosphosite 11:	FBXL14	Q8N1E6	S64	ANPSLFPSLQARGIR	85 / 7 AA	46
Phosphosite 12:	FAM71F1	Q96KD3	S29	RSYPTFPSLNAWEEF	71 / 7 AA	39
Phosphosite 13:	RUNDC3B	Q96NL0	S25	GGGKKSLSARNAAVE	85 / 7 AA	53
Phosphosite 14:	ZNF598	Q86UK7	S447	LKDEDFPSLSASTSS	100 / 6 AA	99
Phosphosite 15:	UPF0627 protein ENSP00000358171	Q6ZW35	S54	TGRHPSLSARAQWAG	85 / 7 AA	18
Phosphosite 16:	UPF0627 protein ENSP00000341061/ENSP00000339743	A6NEA5	S54	TGRHPSLSARAQRAG	85 / 7 AA	18
Phosphosite 17:	ZNF598	Q86UK7	S449	DEDFPSLSASTSSSC	100 / 6 AA	99
Phosphosite 18:	Smad5	Q99717	S256	PQIMPSISSRDVQPV	55 / 9 AA	52
Phosphosite 19:	HOXC10	Q9NYD6	S54	CGLAPSLSKRDEGSS	75 / 8 AA	38
Phosphosite 20:	CD8A	P01732	S231	SGDKPSLSARYV___	100 / 6 AA	26