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:	T1109
P-Site Sequence:	SRSDTIDTVSVPYVF
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	T1109	SRSDTIDTVSVPYVF	100 / 9 AA	128
Phosphosite 1:	POLR1B	Q9H9Y6	S1111	SDTIDTVSVPYVFRY	100 / 7 AA	128
Phosphosite 2:	POLR1B	Q9H9Y6	T1106	TLCSRSDTIDTVSVP	100 / 6 AA	128
Phosphosite 3:	CTSD	P07339	S157	YLSQDTVSVPCQSAS	100 / 6 AA	45
Phosphosite 4:	CTSD	P07339	T155	SGYLSQDTVSVPCQS	100 / 6 AA	45
Phosphosite 5:	PIK4CB	Q9UBF8	T411	LECENFDTTSVPARI	55 / 9 AA	91
Phosphosite 6:	SNTG2	Q9NY99	T219	YEKRWLDTLSVPLSM	71 / 7 AA	60
Phosphosite 7:	SNTG2	Q9NY99	S221	KRWLDTLSVPLSMAR	71 / 7 AA	60
Phosphosite 8:	MACROD2	A1Z1Q3	T284	QDADGVNTVTVPGPA	55 / 9 AA	50
Phosphosite 9:	CADPS2	Q86UW7	T735	NRPDGIGTVSVEEKE	75 / 8 AA	148
Phosphosite 10:	OMG	P23515	S291	QTVDTINSLSVVTQP	62 / 8 AA	50
Phosphosite 11:	ATP10D	Q9P241	T485	EDEDFIDTVSGSLSN	85 / 7 AA	160
Phosphosite 12:	PRC1	O43663	S146	HYDIDSASVPSLEEL	71 / 7 AA	72
Phosphosite 13:	PRC1	O43663	S144	MPHYDIDSASVPSLE	71 / 7 AA	72
Phosphosite 14:	ZWILCH	Q9H900	T408	SYHGTMDTVSLSGTI	55 / 9 AA	67
Phosphosite 15:	USP15	Q9Y4E8	T157	RRFSKADTIDTIEKE	83 / 6 AA	112
Phosphosite 16:	USP15	Q9Y4E8	T160	SKADTIDTIEKEIRK	83 / 6 AA	112
Phosphosite 17:	PIK4CB	Q9UBF8	T412	ECENFDTTSVPARIP	71 / 7 AA	91
Phosphosite 18:	PRDM15	P57071	S696	ATTTTDTSSVPKFTH	75 / 8 AA	169
Phosphosite 19:	VCAN	P13611	T142	GIEDTQDTVSLTVDG	75 / 8 AA	373
Phosphosite 20:	PIK4CB	Q9UBF8	S413	CENFDTTSVPARIPE	71 / 7 AA	91