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:	S1225
P-Site Sequence:	LKSGNKVSITTTPFE
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	S1225	LKSGNKVSITTTPFE	100 / 9 AA	284
Phosphosite 1:	MAST4	O15021	T1227	SGNKVSITTTPFENT	100 / 7 AA	284
Phosphosite 2:	TTN	Q8WZ42	S29622	LKETDRVSITTTKDR	75 / 8 AA	3816
Phosphosite 3:	LACTB	P83111	S207	EYEGEKVSVTTRLLI	75 / 8 AA	61
Phosphosite 4:	AMN1	Q8IY45	S101	ASKGNRVSVTSEGIK	62 / 8 AA	28
Phosphosite 5:	MAST3	O60307	S1031	LKSGNKISLRTTALE	66 / 9 AA	143
Phosphosite 6:	TRAD	O60229	S2436	DILGNKVSVKETNSS	66 / 9 AA	340
Phosphosite 7:	HEL308	Q8TDG4	S158	ESIKNKLSITTIGNL	85 / 7 AA	124
Phosphosite 8:	GIF	P27352	S111	RDPGDKVSILQRQME	83 / 6 AA	45
Phosphosite 9:	KIAA1586	Q9HCI6	S685	NIKSNNVSIPTTIYK	66 / 9 AA	90
Phosphosite 10:	NADK	O95544	S397	IRHGDSISITTSCYP	55 / 9 AA	49
Phosphosite 11:	YTHDF3	Q7Z739	S18	KGQGNKVSVQNGSIH	83 / 6 AA	64
Phosphosite 12:	PTPN12	Q05209	S507	VTQSNKVSVTPPEES	71 / 7 AA	88
Phosphosite 13:	exonuclease 1	Q9UQ84	S521	DCVSNKVSIQPLDET	83 / 6 AA	94
Phosphosite 14:	FHAD1	B1AJZ9	S269	AELSQKVSETTTSRQ	66 / 9 AA	162
Phosphosite 15:	RALGPS1	Q5JS13	S492	STPGKKVSIVGWMVQ	83 / 6 AA	62
Phosphosite 16:	MAST2	Q6P0Q8	S1187	SGNKVAISTTPLENT	71 / 7 AA	196
Phosphosite 17:	ZNF425	Q6IV72	S159	EILNKKVSITAYDPD	71 / 7 AA	88
Phosphosite 18:	MAST1	Q9Y2H9	T1050	SGNKVAVTTTPFENT	71 / 7 AA	171
Phosphosite 19:	LACTB	P83111	T209	EGEKVSVTTRLLISH	83 / 6 AA	61
Phosphosite 20:	ARHGAP24	Q8N264	S71	FLPGNKVSEHPCNEE	100 / 5 AA	84