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:	T155
P-Site Sequence:	PPTLRRSTSLRRLGG
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	T155	PPTLRRSTSLRRLGG	100 / 9 AA	63
Phosphosite 1:	USP21	Q9UK80	S154	EPPTLRRSTSLRRLG	100 / 8 AA	63
Phosphosite 2:	USP21	Q9UK80	S156	PTLRRSTSLRRLGGF	100 / 8 AA	63
Phosphosite 3:	MYO18A	Q92614	T1003	QLALRRATSMRKTFT	66 / 9 AA	233
Phosphosite 4:	ALOX12	P18054	T245	PMLLRRSTSLPSRLV	100 / 7 AA	76
Phosphosite 5:	ALOX12	P18054	S244	NPMLLRRSTSLPSRL	100 / 7 AA	76
Phosphosite 6:	MYO18A	Q92614	T727	GGTLQRSTSFRQGPE	66 / 9 AA	233
Phosphosite 7:	LIMA1	Q9UHB6	S582	LKKLRRSSSLKERSR	75 / 8 AA	85
Phosphosite 8:	LIMA1	Q9UHB6	S581	DLKKLRRSSSLKERS	75 / 8 AA	85
Phosphosite 9:	MYO18A	Q92614	S726	KGGTLQRSTSFRQGP	75 / 8 AA	233
Phosphosite 10:	CLCN7	P51798	S268	ISQGRSTSLKRDFKI	85 / 7 AA	89
Phosphosite 11:	CLCN7	P51798	T267	GISQGRSTSLKRDFK	85 / 7 AA	89
Phosphosite 12:	AKAP6	Q13023	T1594	SDSLQRSTSLESWLT	85 / 7 AA	257
Phosphosite 13:	AKAP6	Q13023	S1593	GSDSLQRSTSLESWL	85 / 7 AA	257
Phosphosite 14:	TBC1D9	Q6ZT07	T1203	TAALPRSTSLDRDWA	77 / 9 AA	143
Phosphosite 15:	GOLGA7B	Q2TAP0	S14	NLQELRRSASLATKV	85 / 7 AA	18
Phosphosite 16:	STOX2	Q9P2F5	T8	MKKTRSTTLRRAWPS	85 / 7 AA	103
Phosphosite 17:	RIMS2	Q9UQ26	T482	DRPDLRRTDSLRKQH	75 / 8 AA	160
Phosphosite 18:	STOX2	Q9P2F5	T7	_MKKTRSTTLRRAWP	85 / 7 AA	103
Phosphosite 19:	PPHLN1	Q8NEY8	T397	KKRVRRTTQLRRTTG	66 / 9 AA	53
Phosphosite 20:	TBC1D9	Q6ZT07	S1202	GTAALPRSTSLDRDW	85 / 7 AA	143