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:	S571
P-Site Sequence:	LRRKPRESDFETIKL
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	S571	LRRKPRESDFETIKL	100 / 9 AA	284
Phosphosite 1:	MAST3	O60307	S365	SRRKPCESDFETIKL	88 / 9 AA	143
Phosphosite 2:	FSIP2	Q5CZC0	S3047	QDHRPRESNFGSFDQ	55 / 9 AA	370
Phosphosite 3:	TRPM4	Q8TD43	S957	GLLRPRDSDFPSILR	55 / 9 AA	134
Phosphosite 4:	C9orf102	A4D997	S290	SLIKPRLSDSETLSF	77 / 9 AA	61
Phosphosite 5:	ZFPM2	Q8WW38	S395	SGKLPRESDMEHSPS	85 / 7 AA	128
Phosphosite 6:	DUSP11	O75319	S215	WNSSVPRSSDFEDSA	85 / 7 AA	39
Phosphosite 7:	SHANK2	Q9UPX8	S211	VQCKPRDSQAETRAD	66 / 9 AA	159
Phosphosite 8:	DUSP11	O75319	S216	NSSVPRSSDFEDSAH	85 / 7 AA	39
Phosphosite 9:	DNAH3	Q8TD57	S229	KEKKPSESDLERYYY	75 / 8 AA	471
Phosphosite 10:	IWS1	Q96ST2	S248	ELPKPRISDSESEDP	66 / 9 AA	92
Phosphosite 11:	IWS1	Q96ST2	S300	ELPKPRVSDSESEGP	66 / 9 AA	92
Phosphosite 12:	RETSAT	Q6NUM9	S484	ELKGKRGSDYETFKN	71 / 7 AA	67
Phosphosite 13:	piccolo	Q9Y6V0	S4382	WFDKPRESRLENGHG	66 / 9 AA	567
Phosphosite 14:	NUP160	Q12769	Y681	LLIREMDYETEVEME	71 / 7 AA	162
Phosphosite 15:	MPRIP	Q6WCQ1	S31	NCFKPRESHLLNDED	71 / 7 AA	117
Phosphosite 16:	C1orf141	Q5JVX7	S91	CEPEPRKSNFEKSNL	71 / 7 AA	46
Phosphosite 17:	PLXNA4	Q9HCM2	S1267	YKRKSRESDLTLKRL	71 / 7 AA	212
Phosphosite 18:	RETSAT	Q6NUM9	Y486	KGKRGSDYETFKNSF	71 / 7 AA	67
Phosphosite 19:	OPTN	Q96CV9	S262	KEAKERVSDFEKKTS	75 / 8 AA	66
Phosphosite 20:	PNMA3	Q9UL41	S98	VIVKPRNSDGEFLNR	75 / 8 AA	52