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:	S224
P-Site Sequence:	LSLPRRGSLCRTSNR
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	S224	LSLPRRGSLCRTSNR	100 / 9 AA	284
Phosphosite 1:	MAST2	Q6P0Q8	S166	LSLPRRGSFCRTSNR	88 / 9 AA	196
Phosphosite 2:	UBR4	Q5T4S7	S1787	EEKPKKSSLCRTVEG	66 / 9 AA	574
Phosphosite 3:	TGFB1I1	O43294	S403	HFHARRGSLCATCGL	77 / 9 AA	50
Phosphosite 4:	SIN3B	O75182	T1080	DYMYRRGTLCRAKQV	75 / 8 AA	133
Phosphosite 5:	KIAA1109	Q2LD37	S4378	SSVPRRDSLSKTSTP	66 / 9 AA	555
Phosphosite 6:	CCDC88C	Q9P219	S1496	RGSPHRGSLDRTDAS	77 / 9 AA	228
Phosphosite 7:	KCTD18	Q6PI47	S29	IYTARRESLCRFKDS	75 / 8 AA	47
Phosphosite 8:	SVIL	O95425	S1000	YAVPRRGSLERANPP	77 / 9 AA	248
Phosphosite 9:	PXN	P49023	S533	HYHERRGSLCSGCQK	100 / 6 AA	65
Phosphosite 10:	Putative uncharacterized protein FLJ46358	Q6ZRH4	S77	ALKGFRGSLCRRGQR	100 / 6 AA	28
Phosphosite 11:	HIVEP3	Q5T1R4	S489	DSVKPRRSSLSRRSS	75 / 8 AA	259
Phosphosite 12:	HIVEP3	Q5T1R4	S490	SVKPRRSSLSRRSSM	75 / 8 AA	259
Phosphosite 13:	FBXO42	Q6P3S6	S488	SLAPRRGSLPDQKDL	100 / 6 AA	78
Phosphosite 14:	OTOP3	Q7RTS5	S498	AEPPRRGSLLELGQG	100 / 6 AA	66
Phosphosite 15:	TMEM125	Q96AQ2	S34	WSQQPRRSALCFVVA	71 / 7 AA	22
Phosphosite 16:	PLEKHG7	Q6ZR37	S72	LTKYFRGSLCQSHQT	71 / 7 AA	44
Phosphosite 17:	USP20	Q9Y2K6	S373	PPSPRSSSPCRTPEP	66 / 9 AA	102
Phosphosite 18:	ATXN7L1	Q9ULK2	S96	HCERRHGSMCRPSPS	71 / 7 AA	89
Phosphosite 19:	PLXNB1	O43157	S1902	PPRPRRGSLRGGERE	100 / 6 AA	232
Phosphosite 20:	HIVEP1	P15822	T772	DSVKPRRTSLSRRGS	75 / 8 AA	297