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:	S94
P-Site Sequence:	DISPKTKSLRKKKEP
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	S94	DISPKTKSLRKKKEP	100 / 9 AA	87
Phosphosite 1:	C1orf83	Q96MN5	S130	RSDPKTESLRKNAQK	77 / 9 AA	24
Phosphosite 2:	DDX21	Q9NR30	T92	QNDISPKTKSLRKKK	100 / 7 AA	87
Phosphosite 3:	C1orf83	Q96MN5	T128	EVRSDPKTESLRKNA	85 / 7 AA	24
Phosphosite 4:	STAC	Q99469	S51	SLSFKTKSLRSKSAD	87 / 8 AA	45
Phosphosite 5:	RAG2	P55895	S504	LKKPPMKSLRKKGSG	77 / 9 AA	59
Phosphosite 6:	SLC7A9	P82251	S25	SQEPKTTSLQKELGL	75 / 8 AA	53
Phosphosite 7:	LATS1	O95835	T735	KALYATKTLRKKDVL	85 / 7 AA	127
Phosphosite 8:	GRHL2	Q6ISB3	S257	YTLEATKSLRQKQGE	85 / 7 AA
Phosphosite 9:	STAC	Q99469	T49	KRSLSFKTKSLRSKS	100 / 6 AA	45
Phosphosite 10:	KIF13B	Q9NQT8	S977	IIQAKTRSLRDRWSE	55 / 9 AA	203
Phosphosite 11:	SmcX	P41229	T256	GLMAKDKTLRKKDKE	66 / 9 AA	176
Phosphosite 12:	BRWD2	Q9BZH6	S626	SPSHNLKSLRKKQLA	100 / 6 AA	137
Phosphosite 13:	GBP4	Q96PP9	T295	FTHAKTKTLREGIIV	71 / 7 AA	73
Phosphosite 14:	GBP7	Q8N8V2	T280	FTHAKTKTLREGILV	71 / 7 AA	73
Phosphosite 15:	ZNF469	Q96JG9	T926	PARGRPKTRSLGLAP	83 / 6 AA	259
Phosphosite 16:	SRFBP1	Q8NEF9	T365	FKEQAPKTRSLDFPQ	83 / 6 AA	49
Phosphosite 17:	SERTAD4	Q9NUC0	S335	VNESWKKSLRKKEAS	100 / 6 AA	39
Phosphosite 18:	USP7	Q93009	T696	LKMYDPKTRSLNYCG	83 / 6 AA	128
Phosphosite 19:	OR13H1	Q8NG92	S290	MLNPLIYSLRKKDVK	66 / 9 AA	35
Phosphosite 20:	CCDC74B	Q96LY2	S331	FPKVSTKSLSKKCLL	85 / 7 AA	42