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:	USP21
Human P-Site:	T106
P-Site Sequence:	ALPLPSRTNLARSKS
UniProt:	Q9UK80
Intern. Prot. ID:	IPI00007262

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	USP21	Q9UK80	T106	ALPLPSRTNLARSKS	100 / 9 AA	63
Phosphosite 1:	HSPC274	Q96A57	S4	____MMPSRTNLATG	85 / 7 AA	13
Phosphosite 2:	TIGD1	Q96MW7	T200	WKKMPSRTFIAREEK	66 / 9 AA	67
Phosphosite 3:	RMND1	Q9NWS8	T159	RTRQPSRTNLPVLSV	85 / 7 AA	52
Phosphosite 4:	MUM1L1	Q5H9M0	S362	SDKSLLPSRINLSLL	85 / 7 AA	79
Phosphosite 5:	KIAA1549	Q9HCM3	S612	SQLSLPSSTNLEFSQ	75 / 8 AA	203
Phosphosite 6:	RMND1	Q9NWS8	S157	ASRTRQPSRTNLPVL	100 / 6 AA	52
Phosphosite 7:	EIF3A	Q14152	T336	IPITPERTDIARLLD	62 / 8 AA	167
Phosphosite 8:	SELV	P59797	T196	PGPLPTRTPLAANSP	75 / 8 AA	37
Phosphosite 9:	KIAA1549	Q9HCM3	S611	SSQLSLPSSTNLEFS	85 / 7 AA	203
Phosphosite 10:	TRIM64C	A6NLI5	T252	GNISASRTDLAQMPK	62 / 8 AA	51
Phosphosite 11:	GPC5	P78333	T224	RSLLPSRTFLQALNL	85 / 7 AA	64
Phosphosite 12:	Per2	O15055	S954	PEFPSRTSIPRQPCA	62 / 8 AA	137
Phosphosite 13:	HERC1	Q15751	T2888	KFDLAARTLLARAAG	66 / 9 AA	532
Phosphosite 14:	COX15	Q7KZN9	T353	RIPLPRRTKMAAVTL	62 / 8 AA	46
Phosphosite 15:	C330043M08Rik	Q4G0A6	T270	SNSSPSRTSLGQLSE	62 / 8 AA	84
Phosphosite 16:	C330043M08Rik	Q4G0A6	S271	NSSPSRTSLGQLSEL	62 / 8 AA	84
Phosphosite 17:	CNOT2	Q9NZN8	S153	GQGIGIPSRTNSMSS	83 / 6 AA	60
Phosphosite 18:	PABPNL1	A6NDY0	T224	IKVLPKRTNFPGISS	62 / 8 AA	30
Phosphosite 19:	FJX1	Q86VR8	T34	GGLLPPRTELPASRP	62 / 8 AA	49
Phosphosite 20:	NUMBL	Q9Y6R0	S218	AFDASRTSFAREGSF	62 / 8 AA	65