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:	S218
P-Site Sequence:	TASLKELSLPRRGSL
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	S218	TASLKELSLPRRGSL	100 / 9 AA	284
Phosphosite 1:	MAST2	Q6P0Q8	S160	TAGLKELSLPRRGSF	100 / 9 AA	196
Phosphosite 2:	MAST3	O60307	S17	RGLQKELSLPRRGRG	100 / 8 AA	143
Phosphosite 3:	C6orf174	Q5TF21	S497	LEKMKELSLKRRGSK	77 / 9 AA	103
Phosphosite 4:	ASTE1	Q2TB18	S436	LSRLTELSLRRRQML	77 / 9 AA	77
Phosphosite 5:	GPRC5A	Q8NFJ5	S169	VNVFSELSAPRRNED	66 / 9 AA	40
Phosphosite 6:	MICAL3	Q7RTP6	S524	LHLLKPLSIPKRLGL	66 / 9 AA	110
Phosphosite 7:	CRNKL1	Q9BZJ0	S590	EIRQKNLSLARRALG	75 / 8 AA	100
Phosphosite 8:	NOC4L	Q9BVI4	S218	FTLLSAVSLPRREPT	66 / 9 AA	58
Phosphosite 9:	TMEM114	B3SHH9	S214	LAAARELSLRRRQDQ	75 / 8 AA	24
Phosphosite 10:	SH2D7	A6NKC9	S9	EDSLKQLSLGRDPEG	75 / 8 AA	50
Phosphosite 11:	Tyk2	P29597	S406	DNKCLELSLPSRAAA	85 / 7 AA	134
Phosphosite 12:	RNH1	P13489	S290	KESLKELSLAGNELG	85 / 7 AA	50
Phosphosite 13:	AP2A1	O95782	S883	FQRWKQLSLPQQEAQ	55 / 9 AA	108
Phosphosite 14:	KIAA0802	Q9Y4B5	S472	LERLKESSLKRRSTR	77 / 9 AA	209
Phosphosite 15:	SOBP	A7XYQ1	S81	ISVLKENSLPKPKLP	66 / 9 AA	93
Phosphosite 16:	TCTEX1D4	Q5JR98	S164	HVRLRELSPPRYKLV	75 / 8 AA	23
Phosphosite 17:	C1orf105	O95561	S32	VNKPLVLSLPRRYPH	100 / 6 AA	21
Phosphosite 18:	PRR4	Q16378	S103	RRGHRQLSLPRFPSV	71 / 7 AA	15
Phosphosite 19:	KIAA0467	Q5T011	S2014	EPWLKELSLAFLQQY	85 / 7 AA	278
Phosphosite 20:	C4orf21	Q86YA3	S367	NSNLKDLSLQKIIQF	62 / 8 AA	119