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:	PRB4
Human P-Site:	S20
P-Site Sequence:	LSSAESSSEDVSQEE
UniProt:	P10163
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PRB4	P10163	S20	LSSAESSSEDVSQEE	100 / 9 AA	31
Phosphosite 1:	PRB4	P10163	S19	ALSSAESSSEDVSQE	100 / 8 AA	31
Phosphosite 2:	CSF1	P09603	S180	NSFAECSSQDVVTKP	75 / 8 AA	60
Phosphosite 3:	WDR42B	A6NGE4	S76	NTDSESSSEDVELES	100 / 7 AA	67
Phosphosite 4:	TCOF1	Q13428	S200	AGQADSSSEDTSSSS	77 / 9 AA	152
Phosphosite 5:	FLJ30092	Q9Y4D8	S521	TVRAQESSEDVSGGL	77 / 9 AA	328
Phosphosite 6:	USP28	Q96RU2	S494	ESTSTESSSQDVEST	75 / 8 AA	122
Phosphosite 7:	Uncharacterized protein UNQ6126/PRO20091	Q6UXV3	S67	LSAAEASSEEVPDFM	66 / 9 AA	17
Phosphosite 8:	USP28	Q96RU2	S495	STSTESSSQDVESTF	75 / 8 AA	122
Phosphosite 9:	PRB4	P10163	S18	LALSSAESSSEDVSQ	100 / 7 AA	31
Phosphosite 10:	TSC22D2	O75157	T41	DDPDESRTEDVSSEI	75 / 8 AA	79
Phosphosite 11:	GCK	P35557	S398	NRMRESRSEDVMRIT	85 / 7 AA	52
Phosphosite 12:	C10orf62	Q5T681	S66	ATQTESGSEEVSSTV	66 / 9 AA	25
Phosphosite 13:	RAPGEF4	Q8WZA2	S27	DKRPLERSSEDVDII	85 / 7 AA	116
Phosphosite 14:	FAM153B	P0C7A2	S69	EDLVQEASSEDVLGV	85 / 7 AA	44
Phosphosite 15:	RAPGEF4	Q8WZA2	S28	KRPLERSSEDVDIIF	85 / 7 AA	116
Phosphosite 16:	TCOF1	Q13428	S199	SAGQADSSSEDTSSS	75 / 8 AA	152
Phosphosite 17:	FLJ30092	Q9Y4D8	S520	CTVRAQESSEDVSGG	75 / 8 AA	328
Phosphosite 18:	F11	P03951	S67	TFTAESPSEDPTRWF	66 / 9 AA	70
Phosphosite 19:	TCOF1	Q13428	S198	VSAGQADSSSEDTSS	85 / 7 AA	152
Phosphosite 20:	PIP5K	Q9Y2I7	S1602	ELDTASSSEDVFDGH	75 / 8 AA	237