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:	S443
P-Site Sequence:	QGCVEIGSQRYKLGV
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	S443	QGCVEIGSQRYKLGV	100 / 9 AA	106
Phosphosite 1:	RIOK1	Q9BRS2	S407	SKAMEIASQRTKEER	66 / 9 AA	66
Phosphosite 2:	SPTBN4	Q9NRC6	S1784	QHQVEMGSQRVAACR	85 / 7 AA	417
Phosphosite 3:	UBTD2	Q8WUN7	S191	AEGVEPGSQRWFFSG	75 / 8 AA	26
Phosphosite 4:	IRS2	Q9Y4H2	S639	YGDIEIGSHRSSSSN	71 / 7 AA	137
Phosphosite 5:	C16orf73	Q8N635	S46	PDRKNIGSERYTFSF	71 / 7 AA	49
Phosphosite 6:	BRWD1	Q9NSI6	S285	FSPMAKGSQRYMVST	55 / 9 AA	263
Phosphosite 7:	PKCe	Q02156	S234	ETPDQVGSQRFSVNM	57 / 7 AA	84
Phosphosite 8:	YPEL5	P62699	S91	YEFATEDSQRYKEGR	83 / 6 AA	14
Phosphosite 9:	FLJ32110	A4D1E1	Y696	SGCGNQRYKRYSPQS	83 / 6 AA	153
Phosphosite 10:	UBTF	P17480	S602	ERMVEIGSRWQRISQ	71 / 7 AA	89
Phosphosite 11:	CYP46A1	Q9Y6A2	S338	EVDEVIGSKRYLDFE	83 / 6 AA	57
Phosphosite 12:	IGFBP-3	P17936	S183	KKGHAKDSQRYKVDY	83 / 6 AA	32
Phosphosite 13:	DDOST	P39656	S280	VQKAAPGSQRYSQTG	100 / 5 AA	51
Phosphosite 14:	MCTP2	Q6DN12	Y387	LKLGDQRYKSKTLCK	83 / 6 AA	100
Phosphosite 15:	SLCO4A1	Q96BD0	S338	YPRQLPGSQRYAVMR	100 / 5 AA	77
Phosphosite 16:	ELAC1	Q9H777	S315	RLVLTHFSQRYKPVA	100 / 5 AA	40
Phosphosite 17:	MAGEA8	P43361	Y10	LGQKSQRYKAEEGLQ	100 / 5 AA	35
Phosphosite 18:	LRRFIP2	Q9Y608	S108	LSIRSVGSHRYDMFK	66 / 6 AA	82
Phosphosite 19:	TMPRSS13	Q9BYE2	S301	LHRSECPSQRYISLQ	71 / 7 AA	63
Phosphosite 20:	MAGEA8	P43361	S7	_MLLGQKSQRYKAEE	100 / 5 AA	35