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:	S882
P-Site Sequence:	LRFDIEGSDEADGSK
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	S882	LRFDIEGSDEADGSK	100 / 9 AA	106
Phosphosite 1:	NBEAL2	Q6ZNJ1	S1461	TWRGVEGSDEAAWRE	85 / 7 AA	303
Phosphosite 2:	CPSF2	Q9P2I0	S420	KEADIDSSDESDIEE	66 / 9 AA	88
Phosphosite 3:	CNBD1	Q8NA66	S221	YKNLIEGSDSPDSFI	75 / 8 AA	50
Phosphosite 4:	MYOT	Q9UBF9	S153	PDHEIQGSKEALIQD	62 / 8 AA	55
Phosphosite 5:	PRDM11	Q9NQV5	S203	RYKSIDGSDETEANW	62 / 8 AA	57
Phosphosite 6:	MTMR6	Q9Y217	S588	ALRTIEGSSPADNRY	75 / 8 AA	72
Phosphosite 7:	SKIV2L2	P42285	T71	RDVDFEGTDEPIFGK	62 / 8 AA	118
Phosphosite 8:	MTMR6	Q9Y217	S589	LRTIEGSSPADNRYS	75 / 8 AA	72
Phosphosite 9:	TNNI3K	Q59H18	S152	ELRNIFGSDEAFSKV	75 / 8 AA	104
Phosphosite 10:	RGPR-p117	Q96JE7	S883	KEDEKESSDEADKNS	66 / 9 AA	117
Phosphosite 11:	SRCAP	Q6ZRS2	S818	LTGMIEGSQEYNEGL	62 / 8 AA	344
Phosphosite 12:	MBTD1	Q05BQ5	S422	LMIGIDGSEAADGSD	62 / 8 AA	71
Phosphosite 13:	C15orf44	Q96SY0	S22	RPVSIEGSEEYQRKH	83 / 6 AA	57
Phosphosite 14:	PDE8B	O95263	S754	MAAEIEGSDCECNPA	83 / 6 AA	99
Phosphosite 15:	CPSF2	Q9P2I0	S419	SKEADIDSSDESDIE	62 / 8 AA	88
Phosphosite 16:	HMCN1	Q96RW7	S2200	VPPNIGGSDELTQLT	71 / 7 AA	613
Phosphosite 17:	KIF3A	Q9Y496	S388	SGSDISGSEEDDDEE	66 / 9 AA	80
Phosphosite 18:	GCFC	Q9Y5B6	S295	EEIGIEGSDDDALVT	83 / 6 AA	105
Phosphosite 19:	Proline-rich protein 20A	P86496	S36	CVADPEGSVEADGPA	77 / 9 AA
Phosphosite 20:	MPZL3	Q6UWV2	S204	KKSSIEVSDDTDQEE	62 / 8 AA	26