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:	MAST4
Human P-Site:	S1123
P-Site Sequence:	HSLSSDPSSSRDSSP
UniProt:	O15021
Intern. Prot. ID:	IPI00307611

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MAST4	O15021	S1123	HSLSSDPSSSRDSSP	100 / 9 AA	284
Phosphosite 1:	MAST4	O15021	S1124	SLSSDPSSSRDSSPS	100 / 8 AA	284
Phosphosite 2:	CACNG8	Q8WXS5	S284	SSRSSEPSPSRDASP	77 / 9 AA	43
Phosphosite 3:	MAST4	O15021	S1125	LSSDPSSSRDSSPSR	100 / 7 AA	284
Phosphosite 4:	CACNG2	Q9Y698	S247	SSRSTEPSHSRDASP	66 / 9 AA	36
Phosphosite 5:	PHRF1	Q9P1Y6	S1059	RRSSSDRSSSRERAK	77 / 9 AA	179
Phosphosite 6:	AMZ1	Q400G9	S457	TRQDPPSSRDSVGLR	85 / 7 AA	55
Phosphosite 7:	AMZ1	Q400G9	S456	ATRQDPPSSRDSVGL	85 / 7 AA	55
Phosphosite 8:	TRS85	Q9Y2L5	S309	LEQSSDPSNSIDGPD	77 / 9 AA	161
Phosphosite 9:	4930429A22Rik Probable exonuclease	Q8IYB7	T386	IFTIDPSTARDLDDA	71 / 7 AA	99
Phosphosite 10:	TTN	Q8WZ42	T17341	SLPSDPATARDPIAP	62 / 8 AA	3816
Phosphosite 11:	4930429A22Rik Probable exonuclease	Q8IYB7	S385	CIFTIDPSTARDLDD	71 / 7 AA	99
Phosphosite 12:	LY6H	O94772	S61	SVRITDPSSSRKDHS	85 / 7 AA	15
Phosphosite 13:	ST8SIA5	O15466	S7	_MRYADPSANRDLLG	62 / 8 AA	44
Phosphosite 14:	TOX4	O94842	S66	FDDLADPSSSQDGSF	75 / 8 AA	66
Phosphosite 15:	TOX4	O94842	S67	DDLADPSSSQDGSFS	75 / 8 AA	66
Phosphosite 16:	LY6H	O94772	S62	VRITDPSSSRKDHSV	85 / 7 AA	15
Phosphosite 17:	TBC1D5	Q92609	S774	SASSSNPSSSPDDDS	77 / 9 AA	89
Phosphosite 18:	SEH1L	Q96EE3	S173	SCISWNPSSSRAHSP	75 / 8 AA	40
Phosphosite 19:	NKTR	P30414	S394	DKLSDPCSSRWDERS	85 / 7 AA	166
Phosphosite 20:	XKR5	Q6UX68	S457	SAQQELPSSSRDPST	100 / 6 AA	75