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:	TTC21B
Human P-Site:	S138
P-Site Sequence:	IDRMIKISDGSKQGH
UniProt:	Q7Z4L5
Intern. Prot. ID:	IPI00178386

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	TTC21B	Q7Z4L5	S138	IDRMIKISDGSKQGH	100 / 9 AA	151
Phosphosite 1:	RSF1	Q96T23	S1112	SEDEFKISDGSQDEF	75 / 8 AA	164
Phosphosite 2:	PLA2G12A	Q9BZM1	S68	GLCQYKCSDGSKPFP	66 / 9 AA	21
Phosphosite 3:	KTN1	Q86UP2	S133	EEQVIKESDASKIPG	66 / 9 AA	156
Phosphosite 4:	C9orf68	Q8N4H0	S212	LGNNFKISGGSKPPF	75 / 8 AA	45
Phosphosite 5:	BAG2	O95816	S73	SQDMRQISDGEREEL	55 / 9 AA	24
Phosphosite 6:	FRY	Q5TBA9	S2589	DMNNLQISEGSKAEA	62 / 8 AA	339
Phosphosite 7:	ELL	P55199	S18	GLSCGRVSDGSKVSV	71 / 7 AA	68
Phosphosite 8:	GTF3C2	Q8WUA4	S597	PLQRIRLSDGSLKLY	71 / 7 AA	101
Phosphosite 9:	ZCCHC7	Q8N3Z6	S86	DSEVIQLSDGSEVIT	55 / 9 AA	63
Phosphosite 10:	VIT	Q6UXI7	T601	RKLMILITDGRSYDD	71 / 7 AA	74
Phosphosite 11:	TrpC5	Q9UL62	T866	PSSEPMYTISDGIVQ	71 / 7 AA	111
Phosphosite 12:	COL12A1	Q99715	T549	PKVMILITDGKSSDA	71 / 7 AA	333
Phosphosite 13:	PCBP4	P57723	S54	SSARITISEGSCPER	62 / 8 AA	41
Phosphosite 14:	TRIM55	Q9BYV6	S289	KTLLKKISEASKAFQ	55 / 9 AA	60
Phosphosite 15:	MUC5B	Q9HC84	S5000	KHLPIKVSDPSQPCD	62 / 8 AA	590
Phosphosite 16:	ELL	P55199	S21	CGRVSDGSKVSVFHV	83 / 6 AA	68
Phosphosite 17:	SRBD1	Q8N5C6	S455	LTVKVNISDGVKDEF	55 / 9 AA	112
Phosphosite 18:	TrpC5	Q9UL62	S868	SEPMYTISDGIVQQH	71 / 7 AA	111
Phosphosite 19:	RSK4	Q9UK32	S653	GGNWDNISDGAKDLL	71 / 7 AA	84
Phosphosite 20:	Hcn2	Q9UL51	S602	GNKEMKLSDGSYFGE	71 / 7 AA	97