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:	POLR1B
Human P-Site:	Y735
P-Site Sequence:	DYYDMDNYPIGTNAI
UniProt:	Q9H9Y6
Intern. Prot. ID:	IPI00418797

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	POLR1B	Q9H9Y6	Y735	DYYDMDNYPIGTNAI	100 / 9 AA	128
Phosphosite 1:	C1orf88	Q8TCI5	Y12	RADAADNYPFGTCQQ	85 / 7 AA	22
Phosphosite 2:	CPEB	Q9BZB8	Y469	IDTDKHKYPIGSGRV	55 / 9 AA	63
Phosphosite 3:	ATP6V1C1	P21283	Y112	FQWDMAKYPIKQSLK	71 / 7 AA	44
Phosphosite 4:	SYT3	Q9BQG1	Y167	SYLDMDSYPEAAAAA	55 / 9 AA	63
Phosphosite 5:	TBC1D3	Q8IZP1	Y426	GAVREDTYPVGTQGV	71 / 7 AA	62
Phosphosite 6:	TBC1D3C	Q6IPX1	Y426	GAVREDTYPVGTQGV	71 / 7 AA	62
Phosphosite 7:	TBC1D3G	Q6DHY5	Y426	GAVREDTYPVGTQGV	71 / 7 AA	62
Phosphosite 8:	USP6	P35125	Y425	GAVREDTYPVGTQGV	71 / 7 AA	159
Phosphosite 9:	TBC1D3H	P0C7X1	Y426	GAVREDTYPVGTQGV	71 / 7 AA	62
Phosphosite 10:	TBC1 domain family member 3C-like protein ENSP00000341742	A6NI40	Y426	GAVREDTYPVGTQGV	71 / 7 AA	62
Phosphosite 11:	TBC1 domain family member 3-like protein LOC729837	A6NH17	Y426	GAVREDTYPVGTQGV	71 / 7 AA	62
Phosphosite 12:	TBC1D3E	A6NER0	Y426	GAVREDTYPVGTQGV	71 / 7 AA	62
Phosphosite 13:	TBC1D3B	A6NDS4	Y426	GAVREDTYPVGTQGV	71 / 7 AA	62
Phosphosite 14:	SYT3	Q9BQG1	S166	PSYLDMDSYPEAAAA	83 / 6 AA	63
Phosphosite 15:	NF1	P21359	Y2476	ENVPMDTYPIHHGDP	83 / 6 AA	319
Phosphosite 16:	EID2	Q8N6I1	Y164	LRHYLENYPIAPGRI	57 / 7 AA	25
Phosphosite 17:	Egr1	P18146	Y32	HSPTMDNYPKLEEMM	100 / 5 AA	58
Phosphosite 18:	NR4A2	P43354	Y67	FSTFMDNYSTGYDVK	71 / 7 AA	67
Phosphosite 19:	WWC1	Q8IX03	Y882	ASPDMDGYPALKVDK	83 / 6 AA	125
Phosphosite 20:	SORD	Q00796	Y25	GDLRLENYPIPEPGP	66 / 6 AA	38