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:	Y465
P-Site Sequence:	DKLNFIRYLSHFRCV
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	Y465	DKLNFIRYLSHFRCV	100 / 9 AA	128
Phosphosite 1:	PRAMEF3	Q5TYW8	Y227	MIVEFIRYLSQMRNL	66 / 9 AA	55
Phosphosite 2:	PCSK2	P16519	Y503	GKENFVRYLEHVQAV	75 / 8 AA	71
Phosphosite 3:	PIP5K	Q9Y2I7	S1848	SEEDFIRSLSHSSPW	75 / 8 AA	237
Phosphosite 4:	GCFC	Q9Y5B6	Y855	QLENFCRYLVHLADT	66 / 9 AA	105
Phosphosite 5:	TIMELESS	Q9UNS1	Y41	SVKDLIRYLRHEDET	62 / 8 AA	139
Phosphosite 6:	FBXW10	Q5XX13	Y280	KYLDFIRYLPIHLSK	71 / 7 AA	120
Phosphosite 7:	PRAMEF3	Q5TYW8	S229	VEFIRYLSQMRNLRK	71 / 7 AA	55
Phosphosite 8:	EXOC2	Q96KP1	Y359	DQKRYIRYLSDLHAS	62 / 8 AA	104
Phosphosite 9:	PLCB1	Q9NQ66	Y298	SVDGFMRYLSGEENG	71 / 7 AA	139
Phosphosite 10:	C4B	P0C0L5	S1513	SLSDRYVSHFETEGP	83 / 6 AA	193
Phosphosite 11:	C4A	P0C0L4	S1513	SLSDRYVSHFETEGP	83 / 6 AA	193
Phosphosite 12:	ATG2B	Q96BY7	Y21	CRYLLQRYLGHFLQE	83 / 6 AA	233
Phosphosite 13:	GCN1L1	Q92616	Y252	SCAPLLRYLSHSEFK	71 / 7 AA	293
Phosphosite 14:	CEP152	O94986	Y268	ESERQIRYLNHQLVI	83 / 6 AA	189
Phosphosite 15:	PRAMEF22	A3QJZ6	Y229	MIVEFSRYLSQMRNL	55 / 9 AA	55
Phosphosite 16:	CHST12	Q9NRB3	Y306	SFANFIQYLLDPHTE	83 / 6 AA	48
Phosphosite 17:	C4B	P0C0L5	Y1511	LTSLSDRYVSHFETE	83 / 6 AA	193
Phosphosite 18:	C4A	P0C0L4	Y1511	LTSLSDRYVSHFETE	83 / 6 AA	193
Phosphosite 19:	CCR3	P51677	Y311	VGERFRKYLRHFFHR	62 / 8 AA	41
Phosphosite 20:	ATP2A3	Q93084	Y763	NMKQFIRYLISSNVG	100 / 5 AA	114