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:	Rb
Human P-Site:	Y771
P-Site Sequence:	LKTNILQYASTRPPT
UniProt:	P06400
Intern. Prot. ID:	IPI00302829

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	Rb	P06400	Y771	LKTNILQYASTRPPT	100 / 9 AA	106
Phosphosite 1:	Rb	P06400	S773	TNILQYASTRPPTLS	100 / 7 AA	106
Phosphosite 2:	PTPN20A	Q4JDL3	Y195	RYRDILPYDSTRVPL	66 / 9 AA	48
Phosphosite 3:	PTPRS	Q13332	Y1717	RLVNIMPYESTRVCL	66 / 9 AA	217
Phosphosite 4:	PTPRD	P23468	Y1681	RLVNIMPYESTRVCL	66 / 9 AA	215
Phosphosite 5:	PTPN13	Q12923	Y2249	RYKNILPYDATRVPL	66 / 9 AA	277
Phosphosite 6:	PTPRB	P23467	Y1739	RYNNILPYDATRVKL	66 / 9 AA	224
Phosphosite 7:	Rb	P06400	T774	NILQYASTRPPTLSP	100 / 6 AA	106
Phosphosite 8:	DDHD2	O94830	Y440	PRKKILNYFSTRKNS	66 / 9 AA	81
Phosphosite 9:	HS6ST1	O60243	Y319	FIRPFMQYNSTRAGG	62 / 8 AA	48
Phosphosite 10:	OSBPL7	Q9BZF2	T81	DGILHYATTRQDITK	71 / 7 AA	95
Phosphosite 11:	CREB	P16220	Y224	PGTTILQYAQTTDGQ	75 / 8 AA	37
Phosphosite 12:	ATF1	P18846	Y151	QGTTILQYAQTSDGQ	75 / 8 AA	29
Phosphosite 13:	MATN2	O00339	Y101	TRVGLLQYGSTVKNE	62 / 8 AA	107
Phosphosite 14:	C2orf16	Q68DN1	S991	SSIIQQYSGTRVRIK	62 / 8 AA	224
Phosphosite 15:	RANBP17	Q9H2T7	S288	SCLVQFASTRRSLFN	71 / 7 AA	124
Phosphosite 16:	NAGLU	P54802	Y658	PEGNILDYANKQLAG	55 / 9 AA	82
Phosphosite 17:	HS6ST1	O60243	S321	RPFMQYNSTRAGGVE	71 / 7 AA	48
Phosphosite 18:	RLF	Q13129	S86	QTLLQYASNKNASEH	71 / 7 AA	218
Phosphosite 19:	ATE1	O95260	Y501	EEAAVLQYASLVGQK	83 / 6 AA	59
Phosphosite 20:	MEF2D	Q14814	Y57	HSNKLFQYASTDMDK	62 / 8 AA	56