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:	S724
P-Site Sequence:	ERMANPRSFLLLGDA
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	S724	ERMANPRSFLLLGDA	100 / 9 AA	151
Phosphosite 1:	F2R	P25116	S42	NATLDPRSFLLRNPN	85 / 7 AA	47
Phosphosite 2:	Serine protease 55	Q6UWB4	S335	PEPGSPRSWLLLCPL	66 / 9 AA	39
Phosphosite 3:	TRIM49B	A6NDI0	S327	YFTATPRSFLAWGAQ	85 / 7 AA	53
Phosphosite 4:	ZNF574	Q6ZN55	S615	KCRECPRSFLLRRLL	100 / 6 AA	99
Phosphosite 5:	C20orf82	B1AKI9	S102	LQRDFPRSFLLDLPN	100 / 6 AA	52
Phosphosite 6:	MAGEA10	P43363	S325	VNGSDPRSFPLWYEE	55 / 9 AA	41
Phosphosite 7:	COMMD3	Q9UBI1	S19	QMLADPRSFDSNAFT	83 / 6 AA	22
Phosphosite 8:	CD177	Q8N6Q3	S377	QGCVAQPSSFLLNHT	75 / 8 AA	46
Phosphosite 9:	NeuroD	Q13562	T194	CLQLNPRTFLPEQNQ	83 / 6 AA	40
Phosphosite 10:	TM2D2	Q9BX73	T134	IECASPRTFLRENKP	71 / 7 AA	23
Phosphosite 11:	C20orf195	Q9BVV2	S20	MKLGNPQSFLDQEEA	71 / 7 AA	37
Phosphosite 12:	LOC442780	Q8IX94	S644	SGPAEPRSFKMTSLD	62 / 8 AA	57
Phosphosite 13:	CTAGE6	Q86UF2	S644	SGSAEPRSFKMTSLD	62 / 8 AA	83
Phosphosite 14:	KMO	O15229	S449	IHYMSPRSFLRLRRP	75 / 8 AA	56
Phosphosite 15:	CD177	Q8N6Q3	S378	GCVAQPSSFLLNHTR	75 / 8 AA	46
Phosphosite 16:	DDX3	O00571	S429	VEESDKRSFLLDLLN	62 / 8 AA	73
Phosphosite 17:	RbBP6	Q7Z6E9	S197	KSTGIPRSFMMEVKD	66 / 6 AA	202
Phosphosite 18:	SNAI2	O43623	S4	____MPRSFLVKKHF	83 / 6 AA	30
Phosphosite 19:	STARD9	Q9P2P6	S3889	LQRSNGRSFLELHSP	66 / 9 AA	507
Phosphosite 20:	CNKSR2	Q8WXI2	S844	GNGGKPRSFTLPRDS	62 / 8 AA	117