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:	S1819
P-Site Sequence:	LLSGPQASKTELPSP
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	S1819	LLSGPQASKTELPSP	100 / 9 AA	284
Phosphosite 1:	MAST4	O15021	T1821	SGPQASKTELPSPES	100 / 7 AA	284
Phosphosite 2:	RC3H2	Q9HBD1	S235	EPRFPQASKTSIGHV	75 / 8 AA	132
Phosphosite 3:	RC3H1	Q5TC82	S238	EPRFPQASKTSIGHV	75 / 8 AA	126
Phosphosite 4:	NBEA	Q8NFP9	S1413	AATSPTVSKTELENI	66 / 9 AA	328
Phosphosite 5:	ZNF469	Q96JG9	S3061	ASSQGPQSRRTEEAA	62 / 8 AA	259
Phosphosite 6:	CDC14A	Q9UNH5	S555	NSPPGPHSAKTEEHT	62 / 8 AA	67
Phosphosite 7:	PHF12	Q96QT6	S144	DLLDRSASKTELKAI	100 / 6 AA	110
Phosphosite 8:	KIAA0467	Q5T011	S326	AYAGRQASQTESADG	75 / 8 AA	278
Phosphosite 9:	PHF12	Q96QT6	T146	LDRSASKTELKAIAH	100 / 6 AA	110
Phosphosite 10:	MUC16	Q8WXI7	T5524	AITQASRTEISSSRT	71 / 7 AA	2353
Phosphosite 11:	DACH1	Q9UI36	S398	PSQGPQASITHPRMP	85 / 7 AA	79
Phosphosite 12:	RALY	Q9UKM9	T192	SELQAIKTELTQIKS	85 / 7 AA	32
Phosphosite 13:	KIAA1984	Q5T5S1	S138	LRSQPDASKEELRLL	75 / 8 AA	63
Phosphosite 14:	C1QTNF6	Q9BXI9	S106	GEPGPQGSKGDKGEM	62 / 8 AA	29
Phosphosite 15:	K15	P19012	S318	NTEMIQTSKTEITDL	71 / 7 AA	49
Phosphosite 16:	K15	P19012	T320	EMIQTSKTEITDLRR	71 / 7 AA	49
Phosphosite 17:	KRT13	P13646	T319	AMIQTSKTEITELRR	71 / 7 AA	50
Phosphosite 18:	C5orf6	Q9NYF3	S242	PSLGPQASRFLPSAR	83 / 6 AA	43
Phosphosite 19:	PSMA3	P25788	T175	KARQAAKTEIEKLQM	71 / 7 AA	28
Phosphosite 20:	STXBP4	Q6ZWJ1	S135	GEYGPQASTLSLFSS	66 / 9 AA	62