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:	S623
P-Site Sequence:	AHISGATSVDQRSLI
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	S623	AHISGATSVDQRSLI	100 / 9 AA	87
Phosphosite 1:	GNAS	P84996	S558	CKPSGAASVDLRVPS	77 / 9 AA	68
Phosphosite 2:	ITSN1	Q15811	S324	ISVISSTSVDQRLPE	75 / 8 AA	195
Phosphosite 3:	WDR92	Q96MX6	S77	CGTFGATSLQQRYLA	75 / 8 AA	40
Phosphosite 4:	PCCB	P05166	S34	SLCSQATSVNERIEN	66 / 9 AA	58
Phosphosite 5:	PMS1	P54277	S39	SLDAGATSVDVKLEN	66 / 9 AA	106
Phosphosite 6:	CCT4	P50991	S202	IDPATATSVDLRDIK	85 / 7 AA	58
Phosphosite 7:	IHPK2	Q9UHH9	S376	YKPIGASSVDVRMID	75 / 8 AA	49
Phosphosite 8:	OTUD4	Q01804	S1011	VVSPGANSVDSRVQR	66 / 9 AA	124
Phosphosite 9:	UNC45A	Q9H3U1	S20	PATPGASSVEQLRKE	62 / 8 AA	103
Phosphosite 10:	UNC45A	Q9H3U1	S19	RPATPGASSVEQLRK	62 / 8 AA	103
Phosphosite 11:	DIXDC1	Q155Q3	S504	TAGKGATSVSNRGTS	75 / 8 AA	77
Phosphosite 12:	SPRY4	Q9C004	S106	VSSSSSTSSDQRLLD	66 / 9 AA	33
Phosphosite 13:	PI5PA	Q15735	S229	STASGAASVGQTSAR	75 / 8 AA	107
Phosphosite 14:	ALDH1L1	O75891	S354	FFKSGAASVDVVRLV	85 / 7 AA	99
Phosphosite 15:	Ig lambda chain V-IV region Kern	P01718	S78	LTISGAQSVDEADYF	75 / 8 AA	11
Phosphosite 16:	Tiam1	Q13009	S1532	QERLQATSISQRERG	71 / 7 AA	178
Phosphosite 17:	MICAL3	Q7RTP6	S39	QRGLGATSVSGRAWC	75 / 8 AA	110
Phosphosite 18:	TOR1AIP1	Q5JTV8	S207	YPRYEATSVQQKVNF	71 / 7 AA	66
Phosphosite 19:	Tiam1	Q13009	S1534	RLQATSISQRERGRK	71 / 7 AA	178
Phosphosite 20:	PRP6	O94906	S199	QTGENHTSVDPRQTQ	83 / 6 AA	107