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:	ATG4B
Human P-Site:	S309
P-Site Sequence:	QHPPCRMSIAELDPS
UniProt:	Q9Y4P1
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ATG4B	Q9Y4P1	S309	QHPPCRMSIAELDPS	100 / 9 AA	44
Phosphosite 1:	DEFB116	Q30KQ4	T10	VMKPCLMTIAILMIL	66 / 9 AA	12
Phosphosite 2:	WWC3	Q9ULE0	S957	YKQSCRSSLAELMAR	66 / 9 AA	123
Phosphosite 3:	Uncharacterized protein C11orf89	A8MZF0	S261	DAVLYRMSVAEAQGR	71 / 7 AA	35
Phosphosite 4:	DDRGK1	Q96HY6	S290	IRQRGRVSIAELAQA	85 / 7 AA	36
Phosphosite 5:	C18orf34	Q5BJE1	S579	NRAICAMSLAELQEP	75 / 8 AA	102
Phosphosite 6:	ECE2	O60344	S448	EKIYHKMSISELQAL	71 / 7 AA	100
Phosphosite 7:	MYO18A	Q92614	S29	KEKKERMSAAELRSL	85 / 7 AA	233
Phosphosite 8:	CDH23	Q9H251	S3243	KASSCHSSISELIQT	55 / 9 AA	370
Phosphosite 9:	ABCA13	Q86UQ4	S1503	STKQVRMSINNLTTD	55 / 9 AA	576
Phosphosite 10:	PDE1B	Q01064	S509	SGITNQMSIDELSPC	71 / 7 AA	61
Phosphosite 11:	SMG1	Q96Q15	S3628	VDPNRRMSVAEQVDY	83 / 6 AA	410
Phosphosite 12:	DYM	Q7RTS9	S122	KVFICQMSEEELQLH	62 / 8 AA	76
Phosphosite 13:	CLCN5	P51795	S380	PNEYTRMSTSELISE	71 / 7 AA	83
Phosphosite 14:	PRUNE2	Q8WUY3	S2212	ETCEERESIAELELY	85 / 7 AA	34
Phosphosite 15:	ITGBL1	O95965	S43	PGAACRLSRAESERR	62 / 8 AA	54
Phosphosite 16:	CLCN5	P51795	T381	NEYTRMSTSELISEL	71 / 7 AA	83
Phosphosite 17:	CLCN5	P51795	S382	EYTRMSTSELISELF	71 / 7 AA	83
Phosphosite 18:	EPPK1	P58107	S1561	QGTQERMSIPEALRR	83 / 6 AA	553
Phosphosite 19:	TTK	P33981	S781	RDPKQRISIPELLAH	71 / 7 AA	97
Phosphosite 20:	OR2T27	Q8NH04	S229	LITVYRMSEAEGRGK	71 / 7 AA	36