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:	S222
P-Site Sequence:	KTFHHVYSGKDLIAQ
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	S222	KTFHHVYSGKDLIAQ	100 / 9 AA	87
Phosphosite 1:	DDX21	Q9NR30	Y221	AKTFHHVYSGKDLIA	100 / 8 AA	87
Phosphosite 2:	RFX6	Q8HWS3	S209	AYYHSVYSGKGLTRF	77 / 9 AA	102
Phosphosite 3:	GPATCH8	Q9UKJ3	S1490	PLLHPIFSGQDLQHP	55 / 9 AA	164
Phosphosite 4:	FMNL2	Q96PY5	Y1044	VKDNRHVYEGKDGAI	75 / 8 AA	123
Phosphosite 5:	ZIK1	Q3SY52	T234	VYHPRVYTGKKLYEC	55 / 9 AA	55
Phosphosite 6:	PTGES2	Q9H7Z7	Y222	EKEAQQVYGGKEART	50 / 8 AA	42
Phosphosite 7:	PHKA1	P46020	S963	NLLHHILSGKEFGVE	55 / 9 AA	137
Phosphosite 8:	PHKA2	P46019	S960	NLLHHILSGKEFGVE	55 / 9 AA	138
Phosphosite 9:	RFX6	Q8HWS3	Y208	SAYYHSVYSGKGLTR	75 / 8 AA	102
Phosphosite 10:	ZNRF2	Q8NHG8	S19	NGRTRAYSGSDLPSS	62 / 8 AA	24
Phosphosite 11:	DYNC1I2	Q13409	S248	INIFFDYSGRDLEDK	83 / 6 AA	71
Phosphosite 12:	ACRC	Q96QF7	S510	LEKSKKYSGKNLKRN	83 / 6 AA	76
Phosphosite 13:	FMNL3	Q8IVF7	Y986	AKEHRPVYEGKDGTI	62 / 8 AA	117
Phosphosite 14:	TTN	Q8WZ42	S20868	KSLSLQYSAKDLTEG	83 / 6 AA	3816
Phosphosite 15:	SLC38A5	Q8WUX1	Y328	KAEMLHMYSQKDPLI	71 / 7 AA	51
Phosphosite 16:	AHI1	Q8N157	Y760	DTEGHHMYSGDCTGV	83 / 6 AA	137
Phosphosite 17:	SLC38A5	Q8WUX1	S329	AEMLHMYSQKDPLIL	71 / 7 AA	51
Phosphosite 18:	ZNF541	Q9H0D2	Y78	NLDTLSLYSGKDSDS	83 / 6 AA	148
Phosphosite 19:	FXN	Q16595	S206	DLSSLAYSGKDA___	83 / 6 AA	23
Phosphosite 20:	ZNF541	Q9H0D2	S79	LDTLSLYSGKDSDSV	83 / 6 AA	148