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:	S1655
P-Site Sequence:	LQDGLCHSLDRGISG
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	S1655	LQDGLCHSLDRGISG	100 / 9 AA	284
Phosphosite 1:	LARS2	Q15031	S169	DRLGLCFSWDREITT	75 / 8 AA	102
Phosphosite 2:	MEKK3	Q99759	S230	SLSGSCQSLDRSADS	66 / 9 AA	71
Phosphosite 3:	FBXL20	Q96IG2	S380	EHLKSCHSLERIELY	83 / 6 AA	48
Phosphosite 4:	NOP58	Q9Y2X3	S145	MCLGLAHSLSRYRLK	75 / 8 AA	60
Phosphosite 5:	FAM129C	Q86XR2	S679	LAEGLSHSLETVSSH	71 / 7 AA	77
Phosphosite 6:	USP38	Q8NB14	S95	LLHQGYHSLDRKDVA	83 / 6 AA	117
Phosphosite 7:	ACACA	Q13085	S654	SVSNFLHSLERGQVL	83 / 6 AA	266
Phosphosite 8:	MYO15A	Q9UKN7	S856	PPLGLCHSPRRSSLN	66 / 9 AA	395
Phosphosite 9:	SLMAP	Q14BN4	S675	ALETECHSLKRENVL	71 / 7 AA	95
Phosphosite 10:	TPH1	P17752	S12	NKENKDHSLERGRAS	83 / 6 AA	51
Phosphosite 11:	C17orf77	Q96MU5	S113	LGEKRCHSLKRLRYS	83 / 6 AA	23
Phosphosite 12:	C9orf51	B1ANY3	S253	LANSLCHSLKYKQNN	71 / 7 AA	29
Phosphosite 13:	ANKS1A	Q92625	S372	YNAISCHSLDSMASG	100 / 5 AA	123
Phosphosite 14:	AGBL5	Q8NDL9	Y198	YHRELLCYSLDGLRV	83 / 6 AA	98
Phosphosite 15:	CDC14C	A4D256	S63	RKENTMHSLDRNIVD	83 / 6 AA	63
Phosphosite 16:	NACAD	O15069	S1162	SSVGAVSSLDRGCPD	66 / 9 AA	161
Phosphosite 17:	SLC25A23	Q9BV35	S88	RLLLMFHSLDRNQDG	62 / 8 AA	52
Phosphosite 18:	PGEA1	Q9Y3M2	S26	ASLSNLHSLDRSTRE	83 / 6 AA	14
Phosphosite 19:	CCDC120	Q96HB5	S448	GDFLLDYSLDRGLPR	75 / 8 AA	68
Phosphosite 20:	DKFZP434B0335	Q7Z6L1	S1103	VQGSHSLSRGTVCHR	71 / 7 AA	130