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:	Y54
P-Site Sequence:	ASRLWFTYRKNFPAI
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	Y54	ASRLWFTYRKNFPAI	100 / 9 AA	44
Phosphosite 1:	ATG4B	Q9Y4P1	T53	VASRLWFTYRKNFPA	100 / 8 AA	44
Phosphosite 2:	ATG4A	Q8WYN0	Y57	SARLWFTYRRKFSPI	77 / 9 AA	45
Phosphosite 3:	ATG4D	Q86TL0	Y124	VSRLWLTYRRDFPPL	66 / 9 AA	53
Phosphosite 4:	ATG4A	Q8WYN0	T56	ISARLWFTYRRKFSP	75 / 8 AA	45
Phosphosite 5:	ATG4D	Q86TL0	T123	FVSRLWLTYRRDFPP	62 / 8 AA	53
Phosphosite 6:	SH2D7	A6NKC9	Y446	LRRLFFTYRKHKF__	75 / 8 AA	50
Phosphosite 7:	SH2D7	A6NKC9	T445	KLRRLFFTYRKHKF_	75 / 8 AA	50
Phosphosite 8:	XRCC6	P12956	Y473	VEKLRFTYRSDSFEN	62 / 8 AA	70
Phosphosite 9:	XRCC6	P12956	T472	IVEKLRFTYRSDSFE	62 / 8 AA	70
Phosphosite 10:	ZNF272	Q14592	Y291	ECGKAFTYRSNFVLH	85 / 7 AA	64
Phosphosite 11:	MLZE	Q9BYG8	Y188	KIALWITYGKGQGQG	62 / 8 AA	58
Phosphosite 12:	MBTPS2	O43462	Y347	LTDVCFSYRNNFNKR	71 / 7 AA	57
Phosphosite 13:	Ataxin-3	P54252	T122	NYKEHWFTVRKLGKQ	83 / 6 AA	42
Phosphosite 14:	COL6A1	P12109	Y209	IIATDHTYRRNFTAA	83 / 6 AA	109
Phosphosite 15:	UNC13B	O14795	Y875	LRIDLSTYRNNFPAG	83 / 6 AA	181
Phosphosite 16:	RYR2	Q92736	Y372	DTGLWLTYQSVDVKS	66 / 6 AA	565
Phosphosite 17:	SEC16A	O15027	S1232	FAYGTYRSNFSSGPG	83 / 6 AA	234
Phosphosite 18:	DIAPH3	Q9NSV4	T480	DGMDPDFTYRKRLDL	100 / 5 AA	137
Phosphosite 19:	DIAPH3	Q9NSV4	Y481	GMDPDFTYRKRLDLD	100 / 5 AA	137
Phosphosite 20:	USP26	Q9BXU7	Y857	EKQIWFTYDDMRVLG	80 / 5 AA	104