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:	DDX21
Human P-Site:	S173
P-Site Sequence:	AASEESNSEIEQEIP
UniProt:	Q9NR30
Intern. Prot. ID:	IPI00015953

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	DDX21	Q9NR30	S173	AASEESNSEIEQEIP	100 / 9 AA	87
Phosphosite 1:	C20orf19	Q2M2Z5	S652	DESDDSNSEIEAALR	75 / 8 AA	75
Phosphosite 2:	POT1	Q9NUX5	S283	RVLPESNSDVDQLKK	62 / 8 AA	71
Phosphosite 3:	DDX21	Q9NR30	S171	SEAASEESNSEIEQE	100 / 7 AA	87
Phosphosite 4:	CCDC158	Q5M9N0	T170	DMLKDSNTQIEQLRK	62 / 8 AA	127
Phosphosite 5:	HDX	Q7Z353	S596	ESDMISNSEVEQVNS	85 / 7 AA	77
Phosphosite 6:	BRF2	Q9HAW0	S387	GDENISDSEIEQYLR	85 / 7 AA	47
Phosphosite 7:	RBM34	P42696	S92	NEEEESTSQIERPLS	66 / 9 AA	49
Phosphosite 8:	TRIM60	Q495X7	S185	YKREEINSEFEQIRL	77 / 9 AA	55
Phosphosite 9:	CDK5RAP2	Q96SN8	S339	KKVEELNSEIEKLSA	77 / 9 AA	215
Phosphosite 10:	Nna1	Q9UPW5	S610	EDTESNSSVEQASVE	75 / 8 AA	138
Phosphosite 11:	Cdc2L2	Q9UQ88	S627	KPLFPGNSEIDQINK	71 / 7 AA	91
Phosphosite 12:	MAST3	O60307	T692	TNDEESSTEIPQFSS	66 / 9 AA	143
Phosphosite 13:	ABCB1	P08183	S646	NAADESKSEIDALEM	62 / 8 AA	141
Phosphosite 14:	RGPD5	Q99666	S1607	KCELSKNSDIEQSSD	83 / 6 AA	199
Phosphosite 15:	RGPD4	Q7Z3J3	S1608	KCELSKNSDIEQSSD	83 / 6 AA	198
Phosphosite 16:	RanBP2	P49792	S2583	KCELSKNSDIEQSSD	83 / 6 AA	358
Phosphosite 17:	RGPD3	A6NKT7	S1608	KCELSKNSDIEQSSD	83 / 6 AA	198
Phosphosite 18:	C20orf19	Q2M2Z5	S650	LWDESDDSNSEIEAA	71 / 7 AA	75
Phosphosite 19:	EML5	Q05BV3	S631	SDVPELDSEIEQETQ	75 / 8 AA	219
Phosphosite 20:	PLPB1	Q01538	S1019	RDLNESNSEMEAAMV	85 / 7 AA	122