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:	Y221
P-Site Sequence:	AKTFHHVYSGKDLIA
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	Y221	AKTFHHVYSGKDLIA	100 / 9 AA	87
Phosphosite 1:	DDX21	Q9NR30	S222	KTFHHVYSGKDLIAQ	100 / 8 AA	87
Phosphosite 2:	FMNL2	Q96PY5	Y1044	VKDNRHVYEGKDGAI	75 / 8 AA	123
Phosphosite 3:	RFX6	Q8HWS3	Y208	SAYYHSVYSGKGLTR	66 / 9 AA	102
Phosphosite 4:	PTGES2	Q9H7Z7	Y222	EKEAQQVYGGKEART	50 / 8 AA	42
Phosphosite 5:	PHKA1	P46020	S963	NLLHHILSGKEFGVE	62 / 8 AA	137
Phosphosite 6:	PHKA2	P46019	S960	NLLHHILSGKEFGVE	62 / 8 AA	138
Phosphosite 7:	RFX6	Q8HWS3	S209	AYYHSVYSGKGLTRF	75 / 8 AA	102
Phosphosite 8:	DNAJC16	Q9Y2G8	Y423	TVRFVHVYSNRQQEF	55 / 9 AA	91
Phosphosite 9:	ZNF19	P17023	Y435	LGHLEHVYSGEKPVL	71 / 7 AA	52
Phosphosite 10:	ZNF541	Q9H0D2	Y78	NLDTLSLYSGKDSDS	83 / 6 AA	148
Phosphosite 11:	NFATC2IP	Q8NCF5	Y126	EAPLVPVYSGKVKSS	62 / 8 AA	46
Phosphosite 12:	FMNL3	Q8IVF7	Y986	AKEHRPVYEGKDGTI	62 / 8 AA	117
Phosphosite 13:	SLC38A5	Q8WUX1	Y328	KAEMLHMYSQKDPLI	55 / 9 AA	51
Phosphosite 14:	ZNF541	Q9H0D2	S79	LDTLSLYSGKDSDSV	83 / 6 AA	148
Phosphosite 15:	SLC38A5	Q8WUX1	S329	AEMLHMYSQKDPLIL	71 / 7 AA	51
Phosphosite 16:	AHI1	Q8N157	Y760	DTEGHHMYSGDCTGV	83 / 6 AA	137
Phosphosite 17:	USP51	Q70EK9	Y419	SSLFHAMYSGSRTPH	71 / 7 AA	80
Phosphosite 18:	FXN	Q16595	S206	DLSSLAYSGKDA___	83 / 6 AA	23
Phosphosite 19:	PPFIBP2	Q8ND30	Y852	VSDSHRVYSGYRGLS	83 / 6 AA	98
Phosphosite 20:	NHLRC2	Q8NBF2	S108	HALEHTYSDKDGLLI	71 / 7 AA	79