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:	S919
P-Site Sequence:	QKQKMNDSMDTSNKE
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	S919	QKQKMNDSMDTSNKE	100 / 9 AA	106
Phosphosite 1:	RAB3B	P20337	S190	ICDKMSDSLDTDPSM	75 / 8 AA	25
Phosphosite 2:	Rab3A	P20336	S190	ICEKMSESLDTADPA	55 / 9 AA	25
Phosphosite 3:	LRRC8A	Q8IWT6	S193	AFSKMNGSMDKKSST	85 / 7 AA	94
Phosphosite 4:	Smad2	Q15796	S240	SDQQLNQSMDTGSPA	55 / 9 AA	52
Phosphosite 5:	SMAD3	P84022	S199	SDHQMNHSMDAGSPN	55 / 9 AA	48
Phosphosite 6:	Ctip	Q99708	S723	EERKMNDSLEDMFDR	71 / 7 AA	102
Phosphosite 7:	DNAH8	Q96JB1	S3855	IPDGYNDSLDTCHKL	71 / 7 AA	515
Phosphosite 8:	RAB3B	P20337	S188	DAICDKMSDSLDTDP	71 / 7 AA	25
Phosphosite 9:	CAND1	Q86VP6	T1229	TNLESMDTS______	83 / 6 AA	136
Phosphosite 10:	PHLDB1	Q86UU1	S1119	LSLESSDSMETSIST	71 / 7 AA	151
Phosphosite 11:	CD33	P20138	S351	NFHGMNPSKDTSTEY	75 / 8 AA	40
Phosphosite 12:	CAND1	Q86VP6	S1226	SSSTNLESMDTS___	83 / 6 AA	136
Phosphosite 13:	NEB	P20929	S2219	QFKKLTDSMDMVLAK	71 / 7 AA	773
Phosphosite 14:	PHLDB2	Q86SQ0	S1011	LSLDSSDSMETSISA	71 / 7 AA	142
Phosphosite 15:	FAM169A	Q9Y6X4	S435	NGEIMDDSLKTSLIT	62 / 8 AA	75
Phosphosite 16:	BMS1L	Q14692	S658	YKEENNDSKETSGAL	71 / 7 AA	146
Phosphosite 17:	CACNA1I	Q9P0X4	S2102	PGCTHHDSMDPSDEE	71 / 7 AA	245
Phosphosite 18:	ADORA3	P33765	S308	VVCHPSDSLDTSIEK	71 / 7 AA	36
Phosphosite 19:	HBP1	O60381	S31	RASGMNDSLELLQCN	66 / 6 AA	58
Phosphosite 20:	CUBN	O60494	S2418	CGNTIPDSIDTSSNT	62 / 8 AA	399