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:	S546
P-Site Sequence:	QEKVKLCSQSLELCL
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	S546	QEKVKLCSQSLELCL	100 / 9 AA	151
Phosphosite 1:	ZNF521	Q96K83	S1231	NHECKLCSQTFDSPA	62 / 8 AA	148
Phosphosite 2:	PLPB1	Q01538	S239	SQDLCPQSLEDAASE	85 / 7 AA	122
Phosphosite 3:	SPINK5	Q9NQ38	S298	REIVKLCSQYQNQAK	100 / 6 AA	121
Phosphosite 4:	KLHL3	Q9UH77	S10	GESVKLSSQTLIQAG	75 / 8 AA	65
Phosphosite 5:	KLHL3	Q9UH77	S9	EGESVKLSSQTLIQA	75 / 8 AA	65
Phosphosite 6:	ZNF318	Q5VUA4	S141	RRSPGLCSDSLEKSL	85 / 7 AA	251
Phosphosite 7:	ZNF318	Q5VUA4	S143	SPGLCSDSLEKSLRI	85 / 7 AA	251
Phosphosite 8:	TP53TG5	Q9Y2B4	S244	RRCTRFCSASLEMPM	55 / 9 AA	34
Phosphosite 9:	ARL15	Q9NXU5	S54	SLLSKLCSESPDNVV	62 / 8 AA	23
Phosphosite 10:	ZBTB39	O15060	S544	LFHCRLCSQSFKSEA	62 / 8 AA	79
Phosphosite 11:	MON2	Q7Z3U7	S774	HLINALCSLSLEAMD	85 / 7 AA	190
Phosphosite 12:	CEP350	Q5VT06	S1981	LTEEMICSQELESST	62 / 8 AA	351
Phosphosite 13:	Tripartite motif-containing protein LOC642612	Q3C1W6	S118	LCLLCSSSLEHRYHR	85 / 7 AA	53
Phosphosite 14:	C2orf16	Q68DN1	S909	TMERKLCSQTSLAER	83 / 6 AA	224
Phosphosite 15:	C16orf84	Q2VPK5	S122	EGAACGQSLEERSKT	83 / 6 AA	56
Phosphosite 16:	GAPVD1	Q14C86	S569	TLRFSLCSDNLEGIS	71 / 7 AA	165
Phosphosite 17:	ABTB2	Q8N961	S758	RHCEILCSQTLSMES	83 / 6 AA	93
Phosphosite 18:	ZFP161	O43829	S125	RFLDKLCSQKRDVSS	62 / 8 AA	51
Phosphosite 19:	ABHD3	Q8WU67	S257	NTFACSESLEKPLNW	83 / 6 AA	46
Phosphosite 20:	ERCC6L	Q2NKX8	S969	DNRQNFSSQSLEHVE	62 / 8 AA	141