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:	TTC21A
Human P-Site:	T656
P-Site Sequence:	TINEFGGTPEENRIT
UniProt:	Q8NDW8
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	TTC21A	Q8NDW8	T656	TINEFGGTPEENRIT	100 / 9 AA	151
Phosphosite 1:	HIC2	Q96JB3	T301	SYSELGGTPDEPMDL	75 / 8 AA	66
Phosphosite 2:	FPRL1	P25090	T186	NFASWGGTPEERLKV	85 / 7 AA	39
Phosphosite 3:	OLAH	Q9NV23	T162	YLMEFGGTPKHFAEA	100 / 6 AA	30
Phosphosite 4:	TTC21B	Q7Z4L5	T650	AIHEFSGTSEEVRVT	75 / 8 AA	151
Phosphosite 5:	FAM129A	Q9BZQ8	T689	SELEFGGTLEDEEPA	75 / 8 AA	103
Phosphosite 6:	MAST1	Q9Y2H9	T591	CVPFFGDTPEELFGQ	85 / 7 AA	171
Phosphosite 7:	MAST2	Q6P0Q8	T729	CVPFFGDTPEELFGQ	85 / 7 AA	196
Phosphosite 8:	MAST3	O60307	T584	CVPFFGDTPEELFGQ	85 / 7 AA	143
Phosphosite 9:	MAST4	O15021	T790	CVPFFGDTPEELFGQ	85 / 7 AA	284
Phosphosite 10:	TIMP1	P01033	T49	IRAKFVGTPEVNQTT	75 / 8 AA	23
Phosphosite 11:	TRO	Q12816	T1122	TAADFGGTPSNSIGF	55 / 9 AA	144
Phosphosite 12:	C19orf21	Q8IVT2	T577	FPEVFSPTPDENSDQ	62 / 8 AA	75
Phosphosite 13:	Hn1	Q9UK76	T54	MASNIFGTPEENQAS	100 / 6 AA	16
Phosphosite 14:	HEXA	P06865	T445	EPLAFEGTPEQKALV	62 / 8 AA	61
Phosphosite 15:	CPLX4	Q7Z7G2	S22	NLGFGGGSEENKEEG	75 / 8 AA	18
Phosphosite 16:	PABPNL1	A6NDY0	T137	VGCPLSGTPEEKVEA	62 / 8 AA	30
Phosphosite 17:	Kv4.3	Q9UK17	T459	EALELTGTPEEEHMG	75 / 8 AA	73
Phosphosite 18:	LTK	P29376	T798	LPMELGPTPEEEGTS	75 / 8 AA	92
Phosphosite 19:	THBS1	P07996	T222	VRFVFGTTPEDILRN	71 / 7 AA	129
Phosphosite 20:	PYGO2	Q9BRQ0	T302	SSGRGGGTPDANSLA	71 / 7 AA	41