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:	S591
P-Site Sequence:	KTLHMAMSLPGMKRI
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	S591	KTLHMAMSLPGMKRI	100 / 9 AA	151
Phosphosite 1:	ABL2	P42684	T800	EQDRMAMTLPRNCQR	71 / 7 AA	128
Phosphosite 2:	IGFBP6	P24592	S221	CVDRMGKSLPGSPDG	62 / 8 AA	25
Phosphosite 3:	ABCC9	O60706	S1433	QLKNMVKSLPGGLDA	62 / 8 AA	174
Phosphosite 4:	NAV1	Q8NEY1	S893	ESLQMPMSLPSAFPS	62 / 8 AA	202
Phosphosite 5:	SATL1	Q86VE3	S27	VPSHPDMSQPGMSQQ	66 / 9 AA	56
Phosphosite 6:	CELF4	Q9BZC1	T120	SALHEQKTLPGMNRP	55 / 9 AA	52
Phosphosite 7:	CELF6	Q96J87	T112	SALHEQKTLPGMNRP	55 / 9 AA	50
Phosphosite 8:	CELF5	Q8N6W0	T111	TALHEQKTLPGMARP	55 / 9 AA	52
Phosphosite 9:	BRD7	Q9NPI1	S482	TLQEMEMSLPEDEGH	62 / 8 AA	74
Phosphosite 10:	ARNTL2	Q8WYA1	S501	SSRQSCMSVPGMSTG	55 / 9 AA	71
Phosphosite 11:	SLC15A1	P46059	S410	GNNTMNISLPGEMVT	71 / 7 AA	79
Phosphosite 12:	VMD2L3	Q8N1M1	S328	AVDEMHMSLPKMKKD	75 / 8 AA	76
Phosphosite 13:	DTX2	Q86UW9	S496	EVLRFQMSLPGHEDC	62 / 8 AA	67
Phosphosite 14:	AHNAK2	Q8IVF2	S2683	LKVEADMSLPSMQGD	83 / 6 AA	617
Phosphosite 15:	AHNAK2	Q8IVF2	S1363	PKVEADMSLPSMQGD	83 / 6 AA	617
Phosphosite 16:	C14orf176	P0C7T8	T64	NSDCHMATALPLGPG	71 / 7 AA	24
Phosphosite 17:	ActR2	P27037	S237	QNEYEVYSLPGMKHE	100 / 5 AA	58
Phosphosite 18:	NBEAL2	Q6ZNJ1	S666	RKEYLTMSLPEVSFA	44 / 9 AA	303
Phosphosite 19:	SH3GLB2	Q9NR46	S366	DELITVYSLPGMDPD	100 / 5 AA	44
Phosphosite 20:	ARNT	P27540	S680	PSSFSSMSLPGAPTA	83 / 6 AA	87