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:	S1140
P-Site Sequence:	DSSAASASPHQPIVI
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	S1140	DSSAASASPHQPIVI	100 / 9 AA	284
Phosphosite 1:	CSF1	P09603	S206	SSDPASVSPHQPLAP	87 / 8 AA	60
Phosphosite 2:	LSM14B	Q9BX40	S106	SLGSASASPFQPHVP	87 / 8 AA	42
Phosphosite 3:	SHROOM3	Q8TF72	S977	PEASASASPHTPRER	87 / 8 AA	217
Phosphosite 4:	MAST4	O15021	S1138	SRDSSAASASPHQPI	100 / 7 AA	284
Phosphosite 5:	p73	O15350	S83	SSRAASASPYTPEHA	77 / 9 AA	70
Phosphosite 6:	PURG	Q9UJV8	T47	PHYAASATPNQAGGA	75 / 8 AA	40
Phosphosite 7:	FNBP1	Q96RU3	S336	KLMSLLTSPHQPPPP	83 / 6 AA	71
Phosphosite 8:	C17orf53	Q8N3J3	T382	LVTAASRTPQQPTHP	66 / 9 AA	70
Phosphosite 9:	SPAG17	Q6Q759	S1007	IQEVTEESPHQPEPK	55 / 9 AA	252
Phosphosite 10:	IRF-7	Q92985	S263	GEAAAPESPHQAEPY	75 / 8 AA	54
Phosphosite 11:	KiSS-1	Q15726	S80	PPPESSGSPQQPGLS	55 / 9 AA	15
Phosphosite 12:	MKL1	Q969V6	S685	SPGLSSGSPQQPSSQ	62 / 8 AA	99
Phosphosite 13:	VAX1	Q5SQQ9	S241	PGPAGAASPHPPAVG	66 / 9 AA	35
Phosphosite 14:	RIMBP3	Q9UFD9	S1134	APPSAKASPHNPGSC	75 / 8 AA	170
Phosphosite 15:	RIMBP3B	A6NNM3	S1134	APPSAKASPHNPGSC	75 / 8 AA	170
Phosphosite 16:	RIMBP3C	A6NJZ7	S1134	APPSAKASPHNPGSC	75 / 8 AA	170
Phosphosite 17:	ARFGEF2	Q9Y6D5	S1104	VSMDELASPHHPRMF	83 / 6 AA	202
Phosphosite 18:	SHROOM3	Q8TF72	S975	RSPEASASASPHTPR	100 / 6 AA	217
Phosphosite 19:	KIAA1117	Q5JWR5	S1618	VSDLEHISPHQPMTS	100 / 5 AA	277
Phosphosite 20:	RTN4RL1	Q86UN2	S309	RNCTGPASPHQIKSH	62 / 8 AA	49