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:	T502
P-Site Sequence:	MATYSRSTSQNLDSG
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	T502	MATYSRSTSQNLDSG	100 / 9 AA	106
Phosphosite 1:	Rb	P06400	S503	ATYSRSTSQNLDSGT	100 / 8 AA	106
Phosphosite 2:	RNF212	Q495C1	T80	CKKYSRETSQILEFQ	77 / 9 AA	33
Phosphosite 3:	BRF2	Q9HAW0	T59	EVTYSRSTGENEQVS	75 / 8 AA	47
Phosphosite 4:	CABLES1	Q8TDN4	T256	PIAFSRPTSQNYCSL	75 / 8 AA	68
Phosphosite 5:	PLAT	P00750	S478	YPSSRCTSQHLLNRT	75 / 8 AA	63
Phosphosite 6:	PLAT	P00750	T477	LYPSSRCTSQHLLNR	75 / 8 AA	63
Phosphosite 7:	CCNG2	Q16589	T276	VWIVSRRTAQNLHNS	75 / 8 AA	39
Phosphosite 8:	SLC45A4	Q5BKX6	S348	PATPRSTSQELAKTK	75 / 8 AA	84
Phosphosite 9:	SLC45A4	Q5BKX6	T347	YPATPRSTSQELAKT	75 / 8 AA	84
Phosphosite 10:	SNCAIP	Q9Y6H5	S809	PSSKRRTSQNLKLRV	85 / 7 AA	100
Phosphosite 11:	PSKH1	P11801	S372	KNLHRSISQNLLKRA	85 / 7 AA	48
Phosphosite 12:	SNCAIP	Q9Y6H5	T808	SPSSKRRTSQNLKLR	85 / 7 AA	100
Phosphosite 13:	WHRN	Q9P202	T572	SVDDVRSTSQGLSSF	85 / 7 AA	97
Phosphosite 14:	WHRN	Q9P202	S573	VDDVRSTSQGLSSFK	85 / 7 AA	97
Phosphosite 15:	C17orf70	Q0VG06	T99	HPGRSRSTSQDDRDS	85 / 7 AA	93
Phosphosite 16:	C17orf70	Q0VG06	S100	PGRSRSTSQDDRDSE	85 / 7 AA	93
Phosphosite 17:	C17orf70	Q0VG06	S98	DHPGRSRSTSQDDRD	85 / 7 AA	93
Phosphosite 18:	ZNF233	A6NK53	S350	RCQVYARSSNQNSCL	62 / 8 AA	77
Phosphosite 19:	CABLES1	Q8TDN4	S257	IAFSRPTSQNYCSLE	85 / 7 AA	68
Phosphosite 20:	CLK2	P49760	S132	SRTFSRSSSQHSSRR	62 / 8 AA	60