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:	S249
P-Site Sequence:	AVIPINGSPRTPRRG
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	S249	AVIPINGSPRTPRRG	100 / 9 AA	106
Phosphosite 1:	HDAC7	Q8WUI4	S283	PRGPILGSPHTPLFL	77 / 9 AA	103
Phosphosite 2:	SYNPO2L	Q9H987	S534	SHAPVSGSPSTPRSS	66 / 9 AA	102
Phosphosite 3:	WAPL	Q7Z5K2	S231	EISPIKGSVRTGLFE	75 / 8 AA	133
Phosphosite 4:	RPS6KB1	P23443	S441	SPRRFIGSPRTPVSP	75 / 8 AA	59
Phosphosite 5:	PCNXL2	A6NKB5	S451	PCPEGNGSERTPERL	85 / 7 AA	237
Phosphosite 6:	DNAJC30	Q96LL9	S137	TPAPDPGSPRTPPPT	77 / 9 AA	26
Phosphosite 7:	DYNC1LI1	Q9Y6G9	T408	VPGGSPRTPNRSVSS	100 / 6 AA	57
Phosphosite 8:	RPS6KB1	P23443	T444	RFIGSPRTPVSPVKF	100 / 6 AA	59
Phosphosite 9:	DYNC1LI1	Q9Y6G9	S405	SPRVPGGSPRTPNRS	85 / 7 AA	57
Phosphosite 10:	C13orf18	Q9H714	S29	HSGIIDGSPRLLNTD	83 / 6 AA	71
Phosphosite 11:	NCoA5	Q9HCD5	S34	DRSPIRGSPRREPRD	85 / 7 AA	66
Phosphosite 12:	Rb	P06400	T252	PINGSPRTPRRGQNR	100 / 6 AA	106
Phosphosite 13:	DNAJC30	Q96LL9	T140	PDPGSPRTPPPTSRT	100 / 6 AA	26
Phosphosite 14:	SAMHD1	Q9Y3Z3	S18	KRPRCDDSPRTPSNT	62 / 8 AA	72
Phosphosite 15:	GH2	P01242	S158	MWRLEDGSPRTGQIF	83 / 6 AA	25
Phosphosite 16:	GH	P01241	S158	MGRLEDGSPRTGQIF	83 / 6 AA	25
Phosphosite 17:	MS4A3	Q96HJ5	S40	VYQPIDGSPDYQKAK	83 / 6 AA	23
Phosphosite 18:	Myb	P10242	S463	KRSILESSPRTPTPF	62 / 8 AA	72
Phosphosite 19:	URP1	Q9BQL6	T197	IYDPINGTPASSTMT	83 / 6 AA	77
Phosphosite 20:	NCAPD3	P42695	T1434	AGVSYIGTPRTPSSA	83 / 6 AA	169