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:	CPEB2
Human P-Site:	S275
P-Site Sequence:	DPLKGRLSYPHPGTD
UniProt:	Q7Z5Q1
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CPEB2	Q7Z5Q1	S275	DPLKGRLSYPHPGTD	100 / 9 AA	65
Phosphosite 1:	CPEB2	Q7Z5Q1	Y276	PLKGRLSYPHPGTDN	100 / 8 AA	65
Phosphosite 2:	Endogenous retrovirus group K member 11 Pol protein	Q9UQG0	Y665	PSFGRLSYVHVTVDT	85 / 7 AA	110
Phosphosite 3:	ERVK6	Q9BXR3	Y665	PSFGRLSYVHVTVDT	85 / 7 AA	108
Phosphosite 4:	HERV-K_11q22.1 provirus ancestral Pol protein	P63136	Y663	PSFGRLSYVHVTVDT	85 / 7 AA	107
Phosphosite 5:	HERV-K_1q22 provirus ancestral Pol protein	P63135	Y665	PSFGRLSYVHVTVDT	85 / 7 AA	165
Phosphosite 6:	HERV-K_8p23.1 provirus ancestral Pol protein	P63133	Y665	PSFGRLSYVHVTVDT	85 / 7 AA	108
Phosphosite 7:	HERV-K_19p13.11 provirus ancestral Pol protein	P63132	Y665	PSFGRLSYVHVTVDT	85 / 7 AA	108
Phosphosite 8:	HERV-K_5q33.3 provirus ancestral Pol protein	P10266	Y665	PSFGRLSYVHVTVDT	85 / 7 AA	115
Phosphosite 9:	RP11-345P4.4	P0CK96	S137	YQHKARLSYPPNFLM	85 / 7 AA	44
Phosphosite 10:	AUTS2	Q8WXX7	S143	HSKKSRLSHPHHYSS	75 / 8 AA	139
Phosphosite 11:	ERVK6	Q9WJR5	Y668	SSFGRLSYIHVTVDT	85 / 7 AA	108
Phosphosite 12:	AIFM3	Q96NN9	S56	FHTEERLSTPHPYPS	66 / 9 AA	67
Phosphosite 13:	WDFY3	Q8IZQ1	S3365	AHLQGPLSHPHPNPI	66 / 9 AA	395
Phosphosite 14:	Putative uncharacterized protein FLJ40288	A4D1N5	S85	FKLQGKDSYPHPPTV	66 / 9 AA	17
Phosphosite 15:	LOC136288	Q8NEG2	S198	NPAGSRLSFPHVPGQ	83 / 6 AA	33
Phosphosite 16:	Putative uncharacterized protein FLJ40288	A4D1N5	Y86	KLQGKDSYPHPPTVL	75 / 8 AA	17
Phosphosite 17:	SEMA3C	Q99985	Y372	SYQGRIPYPRPGTCP	62 / 8 AA	85
Phosphosite 18:	SEMA3D	O95025	Y392	QYDGRIPYPRPGTCP	62 / 8 AA	90
Phosphosite 19:	SASS6	Q6UVJ0	Y522	VVDGRLTYPTCGIGY	83 / 6 AA	74
Phosphosite 20:	PFAS	O15067	S128	TTRRYRLSFAHPPSA	71 / 7 AA	145