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:	T778
P-Site Sequence:	YASTRPPTLSPIPHI
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	T778	YASTRPPTLSPIPHI	100 / 9 AA	106
Phosphosite 1:	HTT	P42858	S1179	PSLTNPPSLSPIRRK	77 / 9 AA	348
Phosphosite 2:	Rb	P06400	S780	STRPPTLSPIPHIPR	100 / 7 AA	106
Phosphosite 3:	RFFL	Q8WZ73	T150	EDRTRASTLSPDFPE	75 / 8 AA	41
Phosphosite 4:	NOL1	P46087	T784	PKGPQPPTVSPIRSS	75 / 8 AA	89
Phosphosite 5:	BCA3	Q9NQ31	T81	EREERPPTLSASFRT	85 / 7 AA	23
Phosphosite 6:	CDCP2	Q5VXM1	T225	CGSTRPPTLVSLGHE	100 / 6 AA	49
Phosphosite 7:	RFFL	Q8WZ73	S149	QEDRTRASTLSPDFP	75 / 8 AA	41
Phosphosite 8:	RASSF5	Q8WWW0	T207	EETQRPPTLQEIKQK	75 / 8 AA	47
Phosphosite 9:	NOL1	P46087	S786	GPQPPTVSPIRSSRP	85 / 7 AA	89
Phosphosite 10:	ZNF541	Q9H0D2	S1020	YTPPPMLSPIREGSG	85 / 7 AA	148
Phosphosite 11:	COL14A1	Q05707	T1014	SLPTRPPTFPPTIPP	66 / 9 AA	194
Phosphosite 12:	TTLL5	Q6EMB2	T1078	SSASAPPTLRPIISP	85 / 7 AA	143
Phosphosite 13:	BRPF3	Q9ULD4	T858	ESPPEPPTLKPINDS	85 / 7 AA	136
Phosphosite 14:	MIB2	Q96AX9	T200	TAHSRPVTLSPRQGL	75 / 8 AA	110
Phosphosite 15:	ERBB2	P04626	T1172	ATLERPKTLSPGKNG	85 / 7 AA	138
Phosphosite 16:	Wnk4	Q96J92	T891	LPTTSPPTFSPTCSQ	66 / 9 AA	135
Phosphosite 17:	SMG5	Q9UPR3	T538	EEGTRSPTLEPPRGR	75 / 8 AA	114
Phosphosite 18:	PHC3	Q8NDX5	S616	TPPPPTLSPAAITVG	100 / 6 AA	106
Phosphosite 19:	SCAF1	Q9H7N4	T28	GPPDRDPTLSPSAFI	85 / 7 AA	139
Phosphosite 20:	ERF	P50548	T282	LAYTPSPTLSPMYPS	66 / 9 AA	59