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:	HTR3C
Human P-Site:	S275
P-Site Sequence:	SFYLPAESENRAPFK
UniProt:	Q8WXA8
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	HTR3C	Q8WXA8	S275	SFYLPAESENRAPFK	100 / 9 AA	50
Phosphosite 1:	FBXL8	Q96CD0	S266	EPALPAESVTRVLQP	66 / 9 AA	41
Phosphosite 2:	SLK	Q9H2G2	S740	ETILPPESENPKEND	85 / 7 AA	143
Phosphosite 3:	SPPL2B	Q8TCT7	S574	EPGSPAESEGRDQAQ	85 / 7 AA	65
Phosphosite 4:	VWA5B1	Q5TIE3	S793	DWDPPAESQERASPS	75 / 8 AA	134
Phosphosite 5:	ARSI	Q5FYB1	S378	YDVWPAISEGRASPR	66 / 9 AA	64
Phosphosite 6:	IMPG1	Q17R60	S753	PCRLPDHSENQAYKT	66 / 9 AA	89
Phosphosite 7:	SBF1	O95248	S1759	SQFQTAESENRSYEG	85 / 7 AA	208
Phosphosite 8:	C14orf167	Q9P1J3	S47	LECKWAESENRVSEG	85 / 7 AA	7
Phosphosite 9:	KIF4B	Q2VIQ3	S846	QKLLDAESEDRPKQC	66 / 9 AA	140
Phosphosite 10:	KIF4A	O95239	S846	QKLLDAESEDRPKQR	66 / 9 AA	140
Phosphosite 11:	CELF4	Q9BZC1	S135	IQVKPADSESRGGSS	62 / 8 AA	52
Phosphosite 12:	CELF5	Q8N6W0	S126	IQVKPADSESRGGRD	62 / 8 AA	52
Phosphosite 13:	CELF3	Q5SZQ8	S88	IQVKPADSESRGEDR	62 / 8 AA	51
Phosphosite 14:	ARG2	P78540	S346	TPSSPDESENQARVR	75 / 8 AA	39
Phosphosite 15:	Putative uncharacterized protein FLJ40140	Q8N814	S51	GGRLPSGSEPRARAF	66 / 9 AA	14
Phosphosite 16:	LBXCOR1	P84550	S22	WVSLPSQSENGIGFL	71 / 7 AA	100
Phosphosite 17:	LBXCOR1	P84550	S20	RIWVSLPSQSENGIG	71 / 7 AA	100
Phosphosite 18:	SPEN	Q96T58	S751	AERLPSDSERRLYSR	62 / 8 AA	402
Phosphosite 19:	CRBN	Q96SW2	S25	LPLLPAESEEEDEME	100 / 6 AA	51
Phosphosite 20:	POLR1A	O95602	S1107	VKALKLESENRNGRS	75 / 8 AA	195