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:	T1909
P-Site Sequence:	DRKGPHPTARSPGTV
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	T1909	DRKGPHPTARSPGTV	100 / 9 AA	284
Phosphosite 1:	CLK3	P49761	T26	RRSGPSPTARSGPHL	87 / 8 AA	59
Phosphosite 2:	SORCS2	Q96PQ0	T16	ASKGPGPTARAPSPG	77 / 9 AA	128
Phosphosite 3:	MUC20	Q8N307	T602	ATKGPFPTSRDPLPS	66 / 9 AA	72
Phosphosite 4:	ZFHX1B	O60315	S431	SPLGVHPSAQSPMQH	66 / 9 AA	136
Phosphosite 5:	COL18A1	P39060	T1527	RREHPHPTARPWRAD	100 / 6 AA	178
Phosphosite 6:	DST	Q03001	T2471	NTGHLHPTPRSPLLR	85 / 7 AA	372
Phosphosite 7:	HHIPL1	Q96JK4	T617	TRSTPRPTARAPTRA	75 / 8 AA	87
Phosphosite 8:	PLEKHG3	A1L390	S1034	TSPGGRPSARSPLSP	66 / 9 AA	134
Phosphosite 9:	ABI2	Q9NYB9	S253	SSGGSHPSSRSSSRE	55 / 9 AA	56
Phosphosite 10:	HIVEP1	P15822	T229	EKLRPNKTARSPPKL	75 / 8 AA	297
Phosphosite 11:	MAST4	O15021	S1912	GPHPTARSPGTVMES	100 / 6 AA	284
Phosphosite 12:	KCTD6	Q8NC69	T48	MFGGDFPTARDPQGN	66 / 9 AA	28
Phosphosite 13:	CLK3	P49761	S24	SGRRSGPSPTARSGP	85 / 7 AA	59
Phosphosite 14:	TCP10	Q12799	S224	DGKIMHPSSRSPQNS	71 / 7 AA	38
Phosphosite 15:	TCP10	Q12799	S225	GKIMHPSSRSPQNSG	71 / 7 AA	38
Phosphosite 16:	CCDC71	Q8IV32	T94	QARAPNPTATSPPAS	66 / 9 AA	50
Phosphosite 17:	CACNA1H	O95180	T2003	HALSPRGTARSPSLS	75 / 8 AA	259
Phosphosite 18:	HECW2	Q9P2P5	S907	RENILPHSTSRSRIT	71 / 7 AA	176
Phosphosite 19:	ZNF467	Q7Z7K2	T341	SSASPHSTAPSPTPS	66 / 9 AA	65
Phosphosite 20:	HECW2	Q9P2P5	S909	NILPHSTSRSRITLL	71 / 7 AA	176