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:	S257
P-Site Sequence:	LSAHAGNSPQDSPRN
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	S257	LSAHAGNSPQDSPRN	100 / 9 AA	284
Phosphosite 1:	MAST2	Q6P0Q8	S200	LHGHTGNSPLDSPRN	77 / 9 AA	196
Phosphosite 2:	NCOA1	Q15788	S372	DREHSGLSPQDDTNS	75 / 8 AA	157
Phosphosite 3:	ABCA4	P78363	T1313	PREKAGQTPQDSNVC	75 / 8 AA	256
Phosphosite 4:	USP8	P40818	S865	NDQFAGYSQQDSQEL	66 / 9 AA	128
Phosphosite 5:	EFCAB5	A4FU69	S1363	TLVTEPNSPQDSKSM	100 / 6 AA	173
Phosphosite 6:	RAB8A	P61006	S181	DKKLEGNSPQGSNQG	85 / 7 AA	24
Phosphosite 7:	MAST3	O60307	S57	SVPTAGSSPLDSPRN	75 / 8 AA	143
Phosphosite 8:	MTMR15	Q9Y2M0	S180	DEEFAGSSPQSSKST	66 / 9 AA	114
Phosphosite 9:	WFS1	O76024	S278	DDELAGKSPEDLPLR	71 / 7 AA	100
Phosphosite 10:	GPI	P06744	S455	ELQAAGKSPEDLERL	71 / 7 AA	63
Phosphosite 11:	ZMYND8	Q9ULU4	S33	PHSSNGHSPQDTSTS	71 / 7 AA	132
Phosphosite 12:	QRFPR	Q96P65	S425	RSELAENSPLDSGH_	75 / 8 AA	49
Phosphosite 13:	GMIP	Q9P107	S615	LVELSGNSPHDVSSV	71 / 7 AA	107
Phosphosite 14:	MIER3	Q7Z3K6	S168	VETDSGNSPEDLRKE	71 / 7 AA	62
Phosphosite 15:	USP10	Q14694	S211	VTPRTCNSPQNSTDS	55 / 9 AA	87
Phosphosite 16:	SLC18A1	P54219	S69	HLGHAGSSPHALASP	71 / 7 AA	56
Phosphosite 17:	C21orf96	Q9H7H1	S102	LRESIGTSPQDVLNS	83 / 6 AA	15
Phosphosite 18:	SLC18A1	P54219	S68	LHLGHAGSSPHALAS	71 / 7 AA	56
Phosphosite 19:	C21orf96	Q9H7H1	T101	MLRESIGTSPQDVLN	83 / 6 AA	15
Phosphosite 20:	ULK2	Q8IYT8	S218	KPPFQANSPQDLRMF	83 / 6 AA	113