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:	S576
P-Site Sequence:	LFDLIKQSKDREGPT
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	S576	LFDLIKQSKDREGPT	100 / 9 AA	106
Phosphosite 1:	EEF2	P13639	S92	DLNFIKQSKDGAGFL	85 / 7 AA	95
Phosphosite 2:	TEP1	Q99973	S2572	PELLVTASKDRDVKL	55 / 9 AA	290
Phosphosite 3:	RNF19A	Q9NV58	S140	PLCLLRHSKDRFPDI	62 / 8 AA	91
Phosphosite 4:	SYTL2	Q9HCH5	S88	PQIAAEQSKDRENGA	100 / 6 AA	105
Phosphosite 5:	IFFO1	Q0D2I5	S522	CRRLITQSGDRKSPA	75 / 8 AA	62
Phosphosite 6:	EPHB4	P54760	S567	VLCLRKQSNGREAEY	66 / 9 AA	108
Phosphosite 7:	GIN1	Q9NXP7	S480	DNELLTSSKDRELLE	66 / 9 AA	60
Phosphosite 8:	LRRC53	A6NM62	S561	PCGLLKQSKPRYFQP	75 / 8 AA	141
Phosphosite 9:	RPL21	P46778	S99	RIEHIKHSKSRDSFL	62 / 8 AA	18
Phosphosite 10:	MAGOHB	Q96A72	S115	SLIDVNQSKDPEGLR	62 / 8 AA	17
Phosphosite 11:	MAGOH	P61326	S113	SLIDVNQSKDPEGLR	62 / 8 AA	17
Phosphosite 12:	NMD3	Q96D46	S407	DVVLIKKSYDRTKRQ	75 / 8 AA	58
Phosphosite 13:	TLN2	Q9Y4G6	S408	IILKKKQSKDRFGLE	100 / 6 AA	272
Phosphosite 14:	TTC28	Q96AY4	S347	CVLLAKQSKDELSEA	85 / 7 AA	271
Phosphosite 15:	CHD6	Q8TD26	S111	QEGAAKGSKDREPKP	85 / 7 AA	305
Phosphosite 16:	SMC1A	Q14683	S757	DIKRIIQSREREMKD	62 / 8 AA	143
Phosphosite 17:	PIGG	Q5H8A4	S252	KIHTSLQSKERETPL	83 / 6 AA	108
Phosphosite 18:	PSG5	Q15238	S156	PYITIKNSKPRENKD	75 / 8 AA	38
Phosphosite 19:	WDR34	Q96EX3	T479	PTVLIKQTQDESPVY	71 / 7 AA	58
Phosphosite 20:	SUV420H1	Q4FZB7	S748	SKISIKLSKDHDNDN	62 / 8 AA	99