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:	S2399
P-Site Sequence:	AGLSFVHSENRLKGA
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	S2399	AGLSFVHSENRLKGA	100 / 9 AA	284
Phosphosite 1:	CK2-A2	P19784	S288	RWENFIHSENRHLVS	75 / 8 AA	41
Phosphosite 2:	CHD8	Q9HCK8	S1360	AKASFVASENRTDIS	87 / 8 AA	291
Phosphosite 3:	CAPRIN1	Q14444	S413	LVCPPVHSESRLAQP	85 / 7 AA	78
Phosphosite 4:	catalase	P04040	S167	LFPSFIHSQKRNPQT	62 / 8 AA	60
Phosphosite 5:	CSNK2A1	P68400	S287	RWERFVHSENQHLVS	85 / 7 AA	45
Phosphosite 6:	RPUSD4	Q96CM3	S352	LPRFFVHSLHRLRLE	75 / 8 AA	42
Phosphosite 7:	ATF7IP2	Q5U623	S105	PVEEIVHSETKLEQV	62 / 8 AA	76
Phosphosite 8:	Nedd4-BP2	Q86UW6	S105	SSQSFVASENQVGAA	66 / 9 AA	199
Phosphosite 9:	RDBP	P18615	S139	LYESFVSSSDRLREL	66 / 9 AA	43
Phosphosite 10:	STK31	Q9BXU1	S594	QVLQKIHSEERLIAT	71 / 7 AA	116
Phosphosite 11:	ZNF548	Q8NEK5	S500	VHHQKIHSEERLVCS	71 / 7 AA	63
Phosphosite 12:	PDPK1	O15530	T518	FKTFFVHTPNRTYYL	71 / 7 AA	63
Phosphosite 13:	KY	Q8NBH2	S20	DMLLIVHSEKRRAAQ	71 / 7 AA	64
Phosphosite 14:	ZNF263	O14978	S643	CGDSFSHSSNRIRHL	66 / 9 AA	77
Phosphosite 15:	ARFGEF3	Q5TH69	S1550	HIQSFLHSDIRYESM	62 / 8 AA	241
Phosphosite 16:	CHD7	Q9P2D1	S1517	AKASFVASGNRTDIS	75 / 8 AA	336
Phosphosite 17:	CHD6	Q8TD26	S1009	AKASFVASGNRTDIS	75 / 8 AA	305
Phosphosite 18:	CHD9	Q3L8U1	S1409	AKASFVASGNRTDIS	75 / 8 AA	326
Phosphosite 19:	BAI2	O60241	S755	MKDWVRHSEDRLFLP	83 / 6 AA	173
Phosphosite 20:	C10orf71	Q711Q0	S272	GKGTFLHSENSAFES	71 / 7 AA	156