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:	S391
P-Site Sequence:	QLMMILNSASDQPSE
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	S391	QLMMILNSASDQPSE	100 / 9 AA	106
Phosphosite 1:	Rb	P06400	S393	MMILNSASDQPSENL	100 / 7 AA	106
Phosphosite 2:	PSD2	Q9BQI7	S272	DTDKLLNSASDPSLK	66 / 9 AA	85
Phosphosite 3:	HLTF	Q14527	S754	KMKLILSSGSDEECA	55 / 9 AA	114
Phosphosite 4:	BCL9L	Q86UU0	S1149	PSQMHLNSAAAQSPM	66 / 9 AA	157
Phosphosite 5:	TRRAP	Q9Y4A5	S2277	GTLMILKSACSNNPS	71 / 7 AA	438
Phosphosite 6:	DUS2L	Q9NX74	S5	___MILNSLSLCYHN	85 / 7 AA	55
Phosphosite 7:	E4BP4	Q16649	S30	DKMMVLNSALTEVSE	83 / 6 AA	51
Phosphosite 8:	PSD2	Q9BQI7	S274	DKLLNSASDPSLKDG	85 / 7 AA	85
Phosphosite 9:	HLTF	Q14527	S753	RKMKLILSSGSDEEC	62 / 8 AA	114
Phosphosite 10:	GCN1L1	Q92616	S2515	DVQEMILSSATADRI	71 / 7 AA	293
Phosphosite 11:	TNRC6A	Q8NDV7	S363	LNPSTLNSASNHGAW	62 / 8 AA	210
Phosphosite 12:	SPHK1IP	Q2M3C7	S1162	NASSILNSAMQQACR	75 / 8 AA	186
Phosphosite 13:	ZDBF2	Q9HCK1	S375	CISLQSASDQPQETA	85 / 7 AA	266
Phosphosite 14:	CLMN	Q96JQ2	S794	GESLPSASDQVLYLS	85 / 7 AA	112
Phosphosite 15:	ZDBF2	Q9HCK1	S373	FDCISLQSASDQPQE	85 / 7 AA	266
Phosphosite 16:	SNRNP200	O75643	T295	EVLEILKTASDDREC	62 / 8 AA	245
Phosphosite 17:	C3orf23	Q8N3R3	S373	GLQMILNSDRYAPSL	100 / 5 AA	58
Phosphosite 18:	LRRK2	Q5S007	S210	KDYMILLSASTNFKD	85 / 7 AA	286
Phosphosite 19:	CLMN	Q96JQ2	S792	VPGESLPSASDQVLY	85 / 7 AA	112
Phosphosite 20:	TNRC6A	Q8NDV7	S365	PSTLNSASNHGAWPV	71 / 7 AA	210