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:	PSME4
Human P-Site:	Y441
P-Site Sequence:	PPVLERTYPALETLT
UniProt:	Q14997
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PSME4	Q14997	Y441	PPVLERTYPALETLT	100 / 9 AA	211
Phosphosite 1:	formin 2	Q9NZ56	Y697	IAELERQYPALDTEV	77 / 9 AA	180
Phosphosite 2:	USP8	P40818	Y336	SISLDFTYPSLEESI	66 / 9 AA	128
Phosphosite 3:	ALS2CL	Q60I27	Y861	LEVLERTYGEIEGTV	66 / 9 AA	108
Phosphosite 4:	NAP1L4	Q99733	Y95	VHDLERKYAALYQPL	75 / 8 AA	43
Phosphosite 5:	CHPF	Q8IZ52	Y349	RAELERTYQEIQELQ	55 / 9 AA	85
Phosphosite 6:	PIP5KG	O60331	Y497	DLRGARSYPTLEDEG	71 / 7 AA	73
Phosphosite 7:	CHGB	P05060	Y389	DEEDKRNYPSLELDK	71 / 7 AA	78
Phosphosite 8:	PIP5KG	O60331	T499	RGARSYPTLEDEGRP	71 / 7 AA	73
Phosphosite 9:	SI	P14410	Y1308	SGNETKTYPAFERGQ	71 / 7 AA	209
Phosphosite 10:	TNFRSF21	O75509	Y460	TADHERAYAALQHWT	62 / 8 AA	72
Phosphosite 11:	NPHS1	O60500	Y1183	YDEVERTYPPSGAWG	71 / 7 AA	135
Phosphosite 12:	IQGAP1	P46940	Y1510	LVKLQQTYAALNSKA	55 / 9 AA	189
Phosphosite 13:	TRIM40	Q6P9F5	Y240	PQKLEVIYPQLEKGV	66 / 9 AA	29
Phosphosite 14:	NPHS1	O60500	T1182	LYDEVERTYPPSGAW	71 / 7 AA	135
Phosphosite 15:	EP300	Q09472	Y468	PSSIERAYAALGLPY	62 / 8 AA	264
Phosphosite 16:	CdkL2	Q92772	Y253	REPLERRYPKLSEVV	75 / 8 AA	56
Phosphosite 17:	Putative uncharacterized protein FLJ42384	Q6ZVL8	Y38	NYYNHRTYPGLVNWL	83 / 6 AA	16
Phosphosite 18:	CCPG1	Q9ULG6	Y73	VLMEETAYPALEETS	75 / 8 AA	87
Phosphosite 19:	MGC99813	Q66K66	Y34	EQPLERRYQALPALV	75 / 8 AA	39
Phosphosite 20:	IQGAP1	P46940	T1509	ELVKLQQTYAALNSK	62 / 8 AA	189