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:	S1858
P-Site Sequence:	GKKNDTTSARELSPS
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	S1858	GKKNDTTSARELSPS	100 / 9 AA	284
Phosphosite 1:	MAST4	O15021	T1857	SGKKNDTTSARELSP	100 / 8 AA	284
Phosphosite 2:	MAST4	O15021	T1856	SSGKKNDTTSARELS	100 / 7 AA	284
Phosphosite 3:	ARHGEF19	Q8IW93	S303	QEYSDVASARELRRQ	66 / 9 AA	89
Phosphosite 4:	ODZ3	Q9P273	S1325	LGSNDLTSARPLTCD	77 / 9 AA	301
Phosphosite 5:	PACS1	Q6VY07	S430	SLGKDTTSPMELAAL	66 / 9 AA	105
Phosphosite 6:	KIAA1849	Q96JH8	S88	VLATGTSSARELVKE	75 / 8 AA	117
Phosphosite 7:	ZBTB16	Q05516	S291	TRSSVITSARELHYG	85 / 7 AA	74
Phosphosite 8:	FAM62C	A0FGR9	T413	EWFVLNDTTSGRLHL	85 / 7 AA	100
Phosphosite 9:	FAM62C	A0FGR9	S415	FVLNDTTSGRLHLRL	85 / 7 AA	100
Phosphosite 10:	APBB2	Q92870	S171	YYADLETSARELEQN	100 / 6 AA	83
Phosphosite 11:	C20orf46	Q9NUR3	T155	RVNPDTVTAREMERL	62 / 8 AA	28
Phosphosite 12:	TCEANC	Q8N8B7	S249	NLLSGTTSPREFAEM	55 / 9 AA	40
Phosphosite 13:	CPNE9	Q8IYJ1	Y242	IGEFTTSYRELSKAQ	85 / 7 AA	56
Phosphosite 14:	CPNE8	Q86YQ8	Y252	IGEFTTSYRELSRGQ	85 / 7 AA	63
Phosphosite 15:	CPNE5	Q9HCH3	Y271	IGEFTTSYRELARGQ	85 / 7 AA	66
Phosphosite 16:	CPNE5	Q9HCH3	S270	FIGEFTTSYRELARG	85 / 7 AA	66
Phosphosite 17:	CPNE9	Q8IYJ1	S241	FIGEFTTSYRELSKA	85 / 7 AA	56
Phosphosite 18:	CPNE8	Q86YQ8	S251	FIGEFTTSYRELSRG	85 / 7 AA	63
Phosphosite 19:	KIAA0562	O60308	S20	SGHEDGFSARELMIH	75 / 8 AA	104
Phosphosite 20:	RNF219	Q5W0B1	S324	SSRLCDTSSARQEST	71 / 7 AA	81