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:	S1863
P-Site Sequence:	TTSARELSPSSLKMN
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	S1863	TTSARELSPSSLKMN	100 / 9 AA	284
Phosphosite 1:	FSD2	A1L4K1	S599	RTPARELSPSDTHFT	100 / 7 AA	85
Phosphosite 2:	C1orf173	Q5RHP9	S1487	REGERELSPESLQAM	77 / 9 AA	168
Phosphosite 3:	SURF6	O75683	S138	QGSAKELSPAALEKR	66 / 9 AA	41
Phosphosite 4:	MAST4	O15021	S1865	SARELSPSSLKMNKS	100 / 7 AA	284
Phosphosite 5:	LUZP1	Q86V48	S394	KHTARELSPQHKRER	100 / 6 AA	120
Phosphosite 6:	IRS4	O14654	S1113	DSLERDLSPSSAPAV	85 / 7 AA	138
Phosphosite 7:	JPH1	Q9HDC5	S413	RAVARELSPDFYQPG	100 / 6 AA	72
Phosphosite 8:	MYLK3	Q32MK0	S401	PEGARELSPLQESSS	100 / 6 AA	88
Phosphosite 9:	AKAP11	Q9UKA4	S1667	EKAERELSSTSLAAD	66 / 9 AA	211
Phosphosite 10:	RWDD4A	Q6NW29	S28	DESFRELSPVSFQYR	75 / 8 AA	21
Phosphosite 11:	CPXM1	Q96SM3	T521	PWAARELTPTPDDAV	62 / 8 AA	82
Phosphosite 12:	AKNA	Q7Z591	S534	PSARGDLSPSSLTSM	85 / 7 AA	155
Phosphosite 13:	AKNA	Q7Z591	S536	ARGDLSPSSLTSMPT	85 / 7 AA	155
Phosphosite 14:	ATXN1	P54253	S406	QATHREASPSTLNDK	75 / 8 AA	87
Phosphosite 15:	KIF17	Q9P2E2	S369	AILTQQMSPSSLSAL	55 / 9 AA	115
Phosphosite 16:	STK11IP	Q8N1F8	S284	LEGHRELSPLWLLAE	75 / 8 AA	121
Phosphosite 17:	SPOCD1	Q6ZMY3	S838	MPKTRELSPTEPQDR	71 / 7 AA	130
Phosphosite 18:	ZKSCAN3	Q9BRR0	S6	__MARELSESTALDA	75 / 8 AA	61
Phosphosite 19:	AQP9	O43315	S222	MNPARDLSPRLFTAL	83 / 6 AA	31
Phosphosite 20:	RASA1	P20936	S833	QSCELSPSKLEKNED	85 / 7 AA	116