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:	STXBP2
Human P-Site:	S454
P-Site Sequence:	TVTNPGGSGTSSRLE
UniProt:	Q15833
Intern. Prot. ID:	IPI00019971

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	STXBP2	Q15833	S454	TVTNPGGSGTSSRLE	100 / 9 AA	66
Phosphosite 1:	COBL	O75128	S1056	PSHPPGGSGTESHIL	87 / 8 AA	136
Phosphosite 2:	CITED2	Q99967	S179	GSSTPGGSGSSSGGG	87 / 8 AA	28
Phosphosite 3:	MAML1	Q92585	S981	YSGQPGGSGLSSVAG	87 / 8 AA	108
Phosphosite 4:	PALLD	Q8WX93	S352	LATNPSGSDTTSAEV	66 / 9 AA	151
Phosphosite 5:	FGA	P02671	S312	TGNRNPGSSGTGGTA	85 / 7 AA	95
Phosphosite 6:	MIER1	Q8N108	S38	ESSSPGGSATSDDHE	75 / 8 AA	61
Phosphosite 7:	MUC19	Q7Z5P9	S1215	ITASPGASATSSESS	66 / 9 AA	598
Phosphosite 8:	SALL1	Q9NSC2	S137	PVANKSGSGTSSGSH	77 / 9 AA	140
Phosphosite 9:	FGA	P02671	S313	GNRNPGSSGTGGTAT	85 / 7 AA	95
Phosphosite 10:	PARP10	Q53GL7	S331	SGQEPGQSGTSLRTG	75 / 8 AA	110
Phosphosite 11:	PLCXD2	Q0VAA5	T24	CSPNPSGTKTSSEVC	66 / 9 AA	35
Phosphosite 12:	GABRA4	P48169	S513	SAPPPSGSGTSKIDK	85 / 7 AA	62
Phosphosite 13:	CITED2	Q99967	S170	GSSTPGGSGGSSTPG	87 / 8 AA	28
Phosphosite 14:	EAP1	Q9H1B7	S306	LGGTPGVSATSSSAS	66 / 9 AA	83
Phosphosite 15:	EFNA4	P52798	S170	PVGSPGESGTSGWRG	75 / 8 AA	22
Phosphosite 16:	RNF113A	O15541	S43	CDPEPGESGSSSDEG	66 / 9 AA	39
Phosphosite 17:	MLK2	Q02779	T537	SSSGGSGTWSRGGPP	85 / 7 AA	104
Phosphosite 18:	MLK2	Q02779	S535	SGSSSGGSGTWSRGG	66 / 9 AA	104
Phosphosite 19:	IMMP2L	Q96T52	S53	PSLNPGGSQSSDVVL	75 / 8 AA	20
Phosphosite 20:	Shc4	Q6S5L8	S128	ESRDPGSSGPSSPET	66 / 9 AA	69