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:	S318
P-Site Sequence:	LPEVENLSKRYEEIY
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	S318	LPEVENLSKRYEEIY	100 / 9 AA	106
Phosphosite 1:	MTERF	Q99551	S140	TRTPENLSKRWDLWR	75 / 8 AA	46
Phosphosite 2:	FBXL2	Q9UKC9	S73	GRVVENISKRCGGFL	75 / 8 AA	47
Phosphosite 3:	FBXL20	Q96IG2	S86	GRVVENISKRCGGFL	75 / 8 AA	48
Phosphosite 4:	MTR	Q99707	S1111	CFGVEELSKAYEDDG	77 / 9 AA	141
Phosphosite 5:	MYH11	P35749	T1405	QKEIENLTQQYEEKA	55 / 9 AA	227
Phosphosite 6:	GLUL	P15104	S278	EEAIEKLSKRHQYHI	55 / 9 AA	42
Phosphosite 7:	ABRA	Q8N0Z2	S128	GGDVSHLSHRYERDA	66 / 9 AA	43
Phosphosite 8:	SFRS6	Q13247	S118	RLIVENLSSRCSWQD	75 / 8 AA	40
Phosphosite 9:	SFRS4	Q08170	S112	RLIVENLSSRCSWQD	75 / 8 AA	57
Phosphosite 10:	ABCC8	Q09428	S1350	KIQIQNLSVRYDSSL	55 / 9 AA	177
Phosphosite 11:	OTUB2	Q96DC9	S36	RRKIEELSKRFTAIR	62 / 8 AA	27
Phosphosite 12:	GALNT3	Q14435	S471	QKAFGDLSKRFEIKH	71 / 7 AA	73
Phosphosite 13:	SERPINA10	Q9UK55	S182	KETFFNLSKRYFDTE	100 / 6 AA	51
Phosphosite 14:	VPS52	Q8N1B4	S293	DEYVETLSKIYLSYY	75 / 8 AA	82
Phosphosite 15:	GK3P	Q14409	S125	RTQSTVESLSKRIPG	85 / 7 AA	61
Phosphosite 16:	GK	P32189	S125	RTQSTVESLSKRIPG	85 / 7 AA	61
Phosphosite 17:	GK3P	Q14409	S127	QSTVESLSKRIPGNN	85 / 7 AA	61
Phosphosite 18:	GK	P32189	S127	QSTVESLSKRIPGNN	85 / 7 AA	61
Phosphosite 19:	Rb	P06400	Y321	VENLSKRYEEIYLKN	100 / 6 AA	106
Phosphosite 20:	FILIP1L	Q4L180	S421	KLEVEKLSKRIMALE	75 / 8 AA	130