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:	ZNF821
Human P-Site:	S283
P-Site Sequence:	RERTAKKSRRDNETP
UniProt:	O75541
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ZNF821	O75541	S283	RERTAKKSRRDNETP	100 / 9 AA	47
Phosphosite 1:	MSTN	O14793	S264	VTDTPKRSRRDFGLD	75 / 8 AA	43
Phosphosite 2:	BSN	Q9UPA5	T1074	IRSTARKTRRDKEEL	66 / 9 AA	416
Phosphosite 3:	DCUN1D4	Q92564	S80	DDLSAKKSRHDSMYR	66 / 9 AA	34
Phosphosite 4:	PRPF38A	Q8NAV1	S307	SKKSHKKSRRGNE__	85 / 7 AA	37
Phosphosite 5:	SCAF1	Q9H7N4	S519	GPPTRKKSRRERKRS	75 / 8 AA	139
Phosphosite 6:	HARS	P12081	Y156	RYHIAKVYRRDNPAM	66 / 9 AA	57
Phosphosite 7:	NuaK2	Q9H093	S377	RQHSLKKSRKENDMA	71 / 7 AA	70
Phosphosite 8:	DHX16	O60231	S230	VPELRKKSRREYLAK	71 / 7 AA	119
Phosphosite 9:	CCDC109A	Q8NE86	S310	FHKGAKKSRFDLEKY	85 / 7 AA	40
Phosphosite 10:	LUZP1	Q86V48	S926	TVRNAWKSRRDLKSL	85 / 7 AA	120
Phosphosite 11:	NOP58	Q9Y2X3	S331	ALFRALKSRRDTPKY	85 / 7 AA	60
Phosphosite 12:	DDX42	Q86XP3	S934	EPPKRKKSRWDS___	71 / 7 AA	103
Phosphosite 13:	Nice-3	Q9BWL3	S42	IMRFAMKSRRGPHVP	71 / 7 AA	29
Phosphosite 14:	C17orf85	Q53F19	S596	EQSRQKKSRLDNLPS	85 / 7 AA	71
Phosphosite 15:	DDX20	Q9UHI6	S734	ASQRAKQSRRNLPRR	71 / 7 AA	92
Phosphosite 16:	C14orf174	Q9P1V8	S91	QEGIAKESKRDVPSE	62 / 8 AA	77
Phosphosite 17:	ARHGEF6	Q15052	S745	CLEEELKSRRDLEKL	100 / 5 AA	87
Phosphosite 18:	ZNF483	Q8TF39	S329	RVYLRKKSRRYNESK	85 / 7 AA	85
Phosphosite 19:	C5orf41	Q8IUR6	S480	GKYAVKKSRRTDVED	55 / 9 AA	72
Phosphosite 20:	FTSJ3	Q8IY81	S10	KKGKVGKSRRDKFYH	83 / 6 AA	97