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:	STX1A
Human P-Site:	S259
P-Site Sequence:	KKAVKYQSKARRKKI
UniProt:	Q16623
Intern. Prot. ID:	IPI00003370

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	STX1A	Q16623	S259	KKAVKYQSKARRKKI	100 / 9 AA	33
Phosphosite 1:	STX1B	P61266	S258	KKAVKYQSKARRKKI	100 / 9 AA	33
Phosphosite 2:	STX2	P32856	S258	KKAIKYQSKARRKKW	88 / 9 AA	33
Phosphosite 3:	STX3	Q13277	S258	KKAVKYQSQARKKLI	77 / 9 AA	33
Phosphosite 4:	STX1A	Q16623	Y257	DTKKAVKYQSKARRK	100 / 7 AA	33
Phosphosite 5:	STX1B	P61266	Y256	DTKKAVKYQSKARRK	100 / 7 AA	33
Phosphosite 6:	STX2	P32856	Y256	ETKKAIKYQSKARRK	85 / 7 AA	33
Phosphosite 7:	CCDC87	Q9NVE4	S707	DMTIKYSSKARLRQL	75 / 8 AA	96
Phosphosite 8:	C4orf31	Q8TB73	Y557	HGGHSVKYQSKVVKT	85 / 7 AA	65
Phosphosite 9:	C4orf31	Q8TB73	S559	GHSVKYQSKVVKTRK	85 / 7 AA	65
Phosphosite 10:	HOXB1	P14653	S229	FHFNKYLSRARRVEI	75 / 8 AA	32
Phosphosite 11:	ELAVL3	Q14576	S222	LTHLYQSSARRYAGP	85 / 7 AA	40
Phosphosite 12:	STX3	Q13277	Y256	ETKKAVKYQSQARKK	85 / 7 AA	33
Phosphosite 13:	DLG1	Q12959	S662	LKTVKFNSKTRDKGE	62 / 8 AA	100
Phosphosite 14:	COL19A1	Q14993	S724	GEPGKYDSMARKGDI	62 / 8 AA	115
Phosphosite 15:	HOXA1	P49639	T255	FHFNKYLTRARRVEI	62 / 8 AA	37
Phosphosite 16:	VPS13C	Q709C8	Y2718	MELVLVKYQGKNWNG	83 / 6 AA	422
Phosphosite 17:	RORB	Q92753	S265	IKAYQSKSREALWQQ	83 / 6 AA	53
Phosphosite 18:	MCM3	P25205	S34	EDQGIYQSKVRELIS	83 / 6 AA	91
Phosphosite 19:	ERCC6L	Q2NKX8	S1021	VVKAKIRSKARRIVS	66 / 9 AA	141
Phosphosite 20:	RORB	Q92753	S263	EEIKAYQSKSREALW	83 / 6 AA	53