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:	S276
P-Site Sequence:	IKGKEDDSFLRNSVS
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	S276	IKGKEDDSFLRNSVS	100 / 9 AA	128
Phosphosite 1:	LMTK2	Q8IWU2	T181	ANPKEQDTFLKNGEP	66 / 9 AA	165
Phosphosite 2:	ATAD1	Q8NBU5	S196	IFIDEIDSFLRNRSS	87 / 8 AA	159
Phosphosite 3:	MASP2	O00187	S560	LPRKEAESFMRTDDI	55 / 9 AA	76
Phosphosite 4:	FRA10AC1	Q70Z53	S273	SSKKSEDSLLRNSDE	66 / 9 AA	38
Phosphosite 5:	A2ML1	A8K2U0	S369	RVRGHDDSFLKNHLV	85 / 7 AA	161
Phosphosite 6:	MACF1	Q9UPN3	S800	SDARELESFLRNLQD	66 / 9 AA	620
Phosphosite 7:	Per2	O15055	S740	HTQKEEQSFLQKFKE	55 / 9 AA	137
Phosphosite 8:	PPP2R2B	Q00005	S13	DTRKINNSFLRDHSY	55 / 9 AA	52
Phosphosite 9:	IPCEF1	Q8WWN9	S56	YKKKEKGSFLSNKWK	66 / 9 AA	49
Phosphosite 10:	LRRC43	Q8N309	S106	NNSNAEDSFLRELAI	62 / 8 AA	73
Phosphosite 11:	GR	P04150	S234	PLAGEDDSFLLEGNS	100 / 6 AA	86
Phosphosite 12:	FRAT2	O75474	S24	GEEEEDDSFLLLQQS	100 / 6 AA	24
Phosphosite 13:	CECR1	Q9NZK5	S181	NVTEFDDSLLRNFTL	85 / 7 AA	59
Phosphosite 14:	PARVA	Q9NVD7	S28	PSRKKDDSFLGKLGG	85 / 7 AA	42
Phosphosite 15:	HKR2	P10073	S17	PVPWEEDSFLQVKVE	71 / 7 AA	55
Phosphosite 16:	THBS4	P35443	S249	RQQVKETSFLRNTIA	71 / 7 AA	106
Phosphosite 17:	FOXC2	Q99958	S160	YNMFENGSFLRRRRR	71 / 7 AA	54
Phosphosite 18:	FOXB1	Q99853	S101	GDMFENGSFLRRRKR	71 / 7 AA	35
Phosphosite 19:	FOXB2	Q5VYV0	S101	GDMFENGSFLRRRKR	71 / 7 AA	46
Phosphosite 20:	FOXC1	Q12948	S166	YNMFENGSFLRRRRR	71 / 7 AA	57