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:	STXBP4
Human P-Site:	S452
P-Site Sequence:	STPLSNLSERRAVLA
UniProt:	Q6ZWJ1
Intern. Prot. ID:	IPI00217200

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	STXBP4	Q6ZWJ1	S452	STPLSNLSERRAVLA	100 / 9 AA	62
Phosphosite 1:	C3orf30	Q96M34	S218	THRLSKLSERRPSVQ	77 / 9 AA	60
Phosphosite 2:	TNS1	Q9HBL0	S61	NYLLFNLSERRPDIT	77 / 9 AA	186
Phosphosite 3:	BRP16	Q9BTY7	S184	APLLSNLSQRPAARA	77 / 9 AA	42
Phosphosite 4:	BRP16L	P0CB43	S184	APLLSNLSQRPAARA	77 / 9 AA	42
Phosphosite 5:	OPLAH	O14841	T1196	EALLSVLTERRAFRP	77 / 9 AA	137
Phosphosite 6:	MYPN	Q86TC9	S203	SSSFSDLSERRERSS	66 / 9 AA	145
Phosphosite 7:	CDKL5	O76039	S502	SKSVSNLSEARAQIA	77 / 9 AA	116
Phosphosite 8:	MDM4	O15151	S418	GEQLDNLSEQRTDTE	66 / 9 AA	55
Phosphosite 9:	PLCD3	Q8N3E9	S559	PCQVSSLSERKAKKL	66 / 9 AA	89
Phosphosite 10:	WBSCR17	Q6IS24	S432	GIDIGDVSERRALRK	55 / 9 AA	68
Phosphosite 11:	GAB3	Q8WWW8	S318	PPKPSHLSERRQEEW	85 / 7 AA	66
Phosphosite 12:	TENC1	Q63HR2	S179	KYLLFNLSEKRHDLT	75 / 8 AA	153
Phosphosite 13:	CSMD2	Q7Z408	T1801	VPCGGNLTERRGTIL	62 / 8 AA	380
Phosphosite 14:	MCTP2	Q6DN12	S487	VCPLADLSERKQITQ	62 / 8 AA	100
Phosphosite 15:	TTRAP	O95551	S130	GLDLNNLSERARGVC	85 / 7 AA	41
Phosphosite 16:	KIAA0476	O75064	S1130	ESSLSNLSLRRSSER	77 / 9 AA	164
Phosphosite 17:	MALT1	Q9UDY8	S555	LEIRSSLSEKRALTD	75 / 8 AA	92
Phosphosite 18:	FcER1B	Q01362	S118	SGMLSIISERRNATY	75 / 8 AA	27
Phosphosite 19:	RYR2	Q92736	S4104	AVLLTNLSEHMPNDT	55 / 9 AA	565
Phosphosite 20:	RYR3	Q15413	S4002	AVLLTNLSEHMPNDS	55 / 9 AA	552