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:	S230
P-Site Sequence:	LDYFIKLSPPMLLKE
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	S230	LDYFIKLSPPMLLKE	100 / 9 AA	106
Phosphosite 1:	NKX6-3	A6NJ46	S39	QNSFYKLSPPGLGPQ	77 / 9 AA	29
Phosphosite 2:	REST	Q13127	S750	EPVQIELSPPMEVVQ	85 / 7 AA	122
Phosphosite 3:	LHX8	Q68G74	S303	AAPPSRLSPPMLEEM	85 / 7 AA	39
Phosphosite 4:	NRK	Q7Z2Y5	S117	YGAFFKLSPPGQRHQ	85 / 7 AA	178
Phosphosite 5:	E2F1	Q01094	S401	LLPEEFISLSPPHEA	85 / 7 AA	47
Phosphosite 6:	E2F1	Q01094	S403	PEEFISLSPPHEALD	85 / 7 AA	47
Phosphosite 7:	JAK3	P52333	S670	SPPFIKLSDPGVSPA	85 / 7 AA	125
Phosphosite 8:	MINK1	Q8N4C8	S93	YGAFIKKSPPGNDDQ	85 / 7 AA	150
Phosphosite 9:	HGK	O95819	S93	YGAFIKKSPPGHDDQ	85 / 7 AA	142
Phosphosite 10:	JAK2	O60674	S698	NPPFIKLSDPGISIT	85 / 7 AA	131
Phosphosite 11:	SENP5	Q96HI0	S228	QHRRIKLSPLMMYEK	75 / 8 AA	87
Phosphosite 12:	GSG1	Q2KHT4	T142	CRSFIELTPPAKREI	71 / 7 AA	39
Phosphosite 13:	GPR179	Q6PRD1	S230	DTQQVRLSPPFLECQ	62 / 8 AA	257
Phosphosite 14:	SERTAD2	Q14140	S158	PTAPTKLSPPALLPE	75 / 8 AA	34
Phosphosite 15:	CDK5R2	Q13319	S305	LRLIQRLSPQMLRLN	71 / 7 AA	39
Phosphosite 16:	CLVS2	Q5SYC1	T176	FKQASKLTPSMLRLA	71 / 7 AA	38
Phosphosite 17:	PHACTR1	Q9C0D0	S237	PCLPVKLSPPLPPKK	71 / 7 AA	66
Phosphosite 18:	HS3ST1	O14792	S238	VERFLKLSPQINASN	62 / 8 AA	36
Phosphosite 19:	GEN1	Q17RS7	S683	ERIFIKLSYPQDNLQ	75 / 8 AA	103
Phosphosite 20:	CCDC52	Q8N0Z3	S760	KLVGLNLSPPMSPVQ	71 / 7 AA	96