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:	STXBP1
Human P-Site:	Y473
P-Site Sequence:	ERISEQTYQLSRWTP
UniProt:	P61764
Intern. Prot. ID:	IPI00084828

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	STXBP1	P61764	Y473	ERISEQTYQLSRWTP	100 / 9 AA	68
Phosphosite 1:	STXBP1	P61764	T472	KERISEQTYQLSRWT	100 / 8 AA	68
Phosphosite 2:	STXBP2	Q15833	Y470	RERMEPTYQLSRWTP	87 / 8 AA	66
Phosphosite 3:	SYTL2	Q9HCH5	Y584	DTASESSYQLSRHKK	77 / 9 AA	105
Phosphosite 4:	NR2C2	P49116	Y538	KTYSEDTYRLARILV	66 / 9 AA	65
Phosphosite 5:	RGL3	Q3MIN7	Y496	QLTEEQSYRLSRVIE	75 / 8 AA	78
Phosphosite 6:	NR2C1	P13056	Y545	KTYPDDTYRLSRLLL	55 / 9 AA	67
Phosphosite 7:	MDC1	Q14676	Y1266	PVTSEPTYQATRGRK	66 / 9 AA	227
Phosphosite 8:	STXBP1	P61764	S476	SEQTYQLSRWTPIIK	100 / 6 AA	68
Phosphosite 9:	STXBP2	Q15833	T469	PRERMEPTYQLSRWT	85 / 7 AA	66
Phosphosite 10:	RNF175	Q8N4F7	Y248	EGLIENTYQLSCNHV	85 / 7 AA	38
Phosphosite 11:	C2orf44	Q9H6R7	Y555	LQSEKETYQLSKEVE	71 / 7 AA	79
Phosphosite 12:	TTL12	Q14166	Y177	MWKFNQTYQLAHGTA	62 / 8 AA	74
Phosphosite 13:	HEFL	Q9NQ75	Y98	PASSEETYQVPTLPR	62 / 8 AA	87
Phosphosite 14:	PHB	P35232	Y249	EAAEDIAYQLSRSRN	62 / 8 AA	30
Phosphosite 15:	STXBP3	O00186	S472	AEETFQLSRWTPFIK	83 / 6 AA	68
Phosphosite 16:	FGFR2	P21802	Y608	KDLVSCTYQLARGME	83 / 6 AA	92
Phosphosite 17:	BTNL9	Q6UXG8	T371	PQRFSEQTCALSLER	75 / 8 AA	60
Phosphosite 18:	SYTL2	Q9HCH5	S583	TDTASESSYQLSRHK	75 / 8 AA	105
Phosphosite 19:	C2orf44	Q9H6R7	S558	EKETYQLSKEVEILS	83 / 6 AA	79
Phosphosite 20:	UBR4	Q5T4S7	Y4954	TGQREPTYQLNIHDI	71 / 7 AA	574