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:	S1373
P-Site Sequence:	YRSGRRKSAGNIPLS
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	S1373	YRSGRRKSAGNIPLS	100 / 9 AA	284
Phosphosite 1:	MAST2	Q6P0Q8	S1337	YRSPRRKSAGSIPLS	87 / 8 AA	196
Phosphosite 2:	MAST1	Q9Y2H9	S1198	YRSARCKSAGNIPLS	77 / 9 AA	171
Phosphosite 3:	MAST3	O60307	S1180	PKTGRRKSTSSIPPS	66 / 9 AA	143
Phosphosite 4:	MGAM	O43451	T1101	IEIRRKSTGTIIWDS	75 / 8 AA	210
Phosphosite 5:	MGAM	O43451	S1100	GIEIRRKSTGTIIWD	75 / 8 AA	210
Phosphosite 6:	NEK2	P51955	S29	CQKIRRKSDGKILVW	75 / 8 AA	52
Phosphosite 7:	EIF4G3	O43432	S889	KDKARRRSIGNIKFI	66 / 9 AA	177
Phosphosite 8:	IQSEC1	Q6DN90	S940	GKRGRRSSAGSLESN	66 / 9 AA	108
Phosphosite 9:	NPAS4	Q8IUM7	S161	SKSLRRQSAGNKLVL	85 / 7 AA	87
Phosphosite 10:	TIGIT	Q495A1	S183	EGDLRRKSAGQEEWS	100 / 6 AA	26
Phosphosite 11:	CDK13	Q14004	S260	SSGGRRKSASATSSS	85 / 7 AA	165
Phosphosite 12:	LDHD	Q86WU2	S235	VSLGRRKSAAGYNLT	100 / 6 AA	55
Phosphosite 13:	HIRIP3	Q9BW71	S269	RSNGRRKSAREERSC	100 / 6 AA	62
Phosphosite 14:	IQSEC1	Q6DN90	S939	AGKRGRRSSAGSLES	75 / 8 AA	108
Phosphosite 15:	ephexin1	Q8N5V2	S16	LEKTRRKSASDQWNT	71 / 7 AA	82
Phosphosite 16:	GPR128	Q96K78	S746	SSIGRRKSLPSVTRP	55 / 9 AA	89
Phosphosite 17:	JMJD1B	Q7LBC6	S289	KDGRRRKSASDSGCD	71 / 7 AA	192
Phosphosite 18:	HEL308	Q8TDG4	T55	AENRRRKTAGVLPVE	83 / 6 AA	124
Phosphosite 19:	VPS72	Q15906	T12	GGRAPRKTAGNRLSG	83 / 6 AA	41
Phosphosite 20:	ZNF652	Q9Y2D9	S216	TTRGRRKSVEPPKRK	83 / 6 AA	70