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:	S149
P-Site Sequence:	SQVYSLDSADSFQSF
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	S149	SQVYSLDSADSFQSF	100 / 9 AA	68
Phosphosite 1:	NARG1L	Q6N069	T439	DEAQSLDTADRFINS	75 / 8 AA	101
Phosphosite 2:	ATR	Q13535	S837	HILESLDSEDGFIKE	75 / 8 AA	301
Phosphosite 3:	SHANK2	Q9UPX8	S584	LDRYSLDSEDLYSRN	66 / 9 AA	159
Phosphosite 4:	RFFL	Q8WZ73	S229	DETQSIDSEDSFVPG	75 / 8 AA	41
Phosphosite 5:	C10orf71	Q711Q0	S459	PSKHALDSADSQPAE	75 / 8 AA	156
Phosphosite 6:	Gramd2	Q8IUY3	S235	IPPSSVDSTDSFFPS	75 / 8 AA	40
Phosphosite 7:	STXBP1	P61764	S146	PYESQVYSLDSADSF	100 / 6 AA	68
Phosphosite 8:	NARG1	Q9BXJ9	T439	DEAQALDTADRFINS	62 / 8 AA	101
Phosphosite 9:	BDP1	Q99952	S7	_MSRSLDSARSFLER	87 / 8 AA	50
Phosphosite 10:	Gramd2	Q8IUY3	T236	PPSSVDSTDSFFPSR	75 / 8 AA	40
Phosphosite 11:	FAM63B	Q8NBR6	S175	GESPSLDSLESFSNL	75 / 8 AA	67
Phosphosite 12:	SLC25A23	Q9BV35	S371	LQQYSHDSADPGILV	75 / 8 AA	52
Phosphosite 13:	Sh3tc1	Q8TE82	S416	CSVYSLDSVEEAETE	71 / 7 AA	147
Phosphosite 14:	SORBS2	O94875	S33	QHGTSLDSTDTYPQH	62 / 8 AA	72
Phosphosite 15:	FLJ43906	Q4AC94	S2224	ELGDSADSFKKLPLN	100 / 6 AA	260
Phosphosite 16:	SORBS2	O94875	T34	HGTSLDSTDTYPQHA	62 / 8 AA	72
Phosphosite 17:	MEF2A	Q02078	S344	NTDYSLTSADLSALQ	85 / 7 AA	55
Phosphosite 18:	FLJ43906	Q4AC94	S2221	ATSELGDSADSFKKL	100 / 6 AA	260
Phosphosite 19:	PRKAR2B	P31323	S312	AQGDSADSFFIVESG	100 / 6 AA	46
Phosphosite 20:	MEF2C	Q06413	S327	GTEYSLSSADLSSLS	85 / 7 AA	51