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:	S291
P-Site Sequence:	GRRWSLASLPSSGYG
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	S291	GRRWSLASLPSSGYG	100 / 9 AA	284
Phosphosite 1:	MAST1	Q9Y2H9	S93	GRRWSLASLPSSGYG	100 / 9 AA	171
Phosphosite 2:	MAST2	Q6P0Q8	S233	GRRWSLASLPSSGYG	100 / 9 AA	196
Phosphosite 3:	MAST3	O60307	S88	GRRWSLASLPSSGYG	100 / 9 AA	143
Phosphosite 4:	Spry3	O43610	T57	KSDWSLATMPTSLPR	66 / 9 AA	31
Phosphosite 5:	B3GNT8	Q7Z7M8	S82	QQQWRLGSLPSGDST	66 / 9 AA	43
Phosphosite 6:	Basonuclin 1	Q01954	S921	KADQSLASLPSGLPI	87 / 8 AA	111
Phosphosite 7:	MAST1	Q9Y2H9	S90	RADGRRWSLASLPSS	100 / 6 AA	171
Phosphosite 8:	MAST2	Q6P0Q8	S230	RTDGRRWSLASLPSS	100 / 6 AA	196
Phosphosite 9:	MAST3	O60307	S85	RADGRRWSLASLPSS	100 / 6 AA	143
Phosphosite 10:	MAST4	O15021	S288	RTDGRRWSLASLPSS	100 / 6 AA	284
Phosphosite 11:	SmcX	P41229	S893	EAREALASLPSSPGL	87 / 8 AA	176
Phosphosite 12:	DLG1	Q12959	S86	VNTWEISSLPSSTVT	66 / 9 AA	100
Phosphosite 13:	FLJ30092	Q9Y4D8	S2619	QAARQLASVPSSQLC	66 / 9 AA	328
Phosphosite 14:	SMCY	Q9BY66	T880	EAREALATLPSSPGL	75 / 8 AA	174
Phosphosite 15:	CDK5RAP2	Q96SN8	S1061	CPPDDLASLPSCKEN	85 / 7 AA	215
Phosphosite 16:	RPIP8	Q59EK9	S416	GLCGSLASIPSCKSL	75 / 8 AA	50
Phosphosite 17:	AMOTL1	Q8IY63	S892	LFWPSMASLPSRGRL	85 / 7 AA	107
Phosphosite 18:	ANKFY1	Q9P2R3	S94	AARSDSWSLANLSST	83 / 6 AA	128
Phosphosite 19:	ANGPTL2	Q9UKU9	S263	PTMPTLTSLPSSTDK	75 / 8 AA	57
Phosphosite 20:	DLG1	Q12959	S85	PVNTWEISSLPSSTV	62 / 8 AA	100