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:	TBC1D21
Human P-Site:	S5
P-Site Sequence:	___MTTLSPENSLSA
UniProt:	Q8IYX1
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	TBC1D21	Q8IYX1	S5	___MTTLSPENSLSA	100 / 9 AA	39
Phosphosite 1:	PHYHD1	Q5SRE7	S273	EASGTTWSPENWLQP	75 / 8 AA	33
Phosphosite 2:	CXXC4	Q9H2H0	S33	TNFLSTLSPEHCRPL	55 / 9 AA	21
Phosphosite 3:	AML1	Q01196	T285	GRASGMTTLSAELSS	85 / 7 AA	49
Phosphosite 4:	CD109	Q6YHK3	T520	NSTMFSLTPENSWTP	66 / 9 AA	162
Phosphosite 5:	Pyrin	O15553	S683	RKGNMTLSPENGYWV	85 / 7 AA	86
Phosphosite 6:	RHOBTB2	Q9BYZ6	S654	PRDMKAMSPENQEYF	62 / 8 AA	83
Phosphosite 7:	HECW2	Q9P2P5	S24	PQMRYTLSPENLQSL	100 / 6 AA	176
Phosphosite 8:	IMPAD1	Q9NX62	T317	ALGGHMTTLSGEEIS	85 / 7 AA	39
Phosphosite 9:	LRWD1	Q9UFC0	T155	HWEKFMATLGPEEEA	71 / 7 AA	71
Phosphosite 10:	IMPAD1	Q9NX62	S319	GGHMTTLSGEEISYT	75 / 8 AA	39
Phosphosite 11:	HELZ	P42694	S248	EKWMNSLSPEKVLSE	62 / 8 AA	219
Phosphosite 12:	factor V	P12259	S1214	DLSHTTLSPELIQRN	100 / 6 AA	252
Phosphosite 13:	factor V	P12259	T1212	SPDLSHTTLSPELIQ	100 / 6 AA	252
Phosphosite 14:	CACNA1G	O43497	S1879	ELEMKTLSPQPHSPL	71 / 7 AA	262
Phosphosite 15:	RBM5	P52756	S252	DSIMTALSPYASLAV	66 / 9 AA	92
Phosphosite 16:	ZNF483	Q8TF39	S14	LNKMTAISPEPQTLA	71 / 7 AA	85
Phosphosite 17:	HELZ	P42694	S246	LIEKWMNSLSPEKVL	71 / 7 AA	219
Phosphosite 18:	C3orf18	Q9UK00	S38	ASETTTLSPEATTFN	100 / 6 AA	17
Phosphosite 19:	C3orf18	Q9UK00	T36	GPASETTTLSPEATT	100 / 6 AA	17
Phosphosite 20:	WWC1	Q8IX03	S535	PKSMTSLSPRSSLSS	66 / 9 AA	125