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:	TTBK1
Human P-Site:	S540
P-Site Sequence:	AEEEDFDSKEWVIID
UniProt:	Q5TCY1
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	TTBK1	Q5TCY1	S540	AEEEDFDSKEWVIID	100 / 9 AA	143
Phosphosite 1:	FBXO42	Q6P3S6	S158	LWRLDLNSKEWIRPL	62 / 8 AA	78
Phosphosite 2:	APBA3	O96018	S151	DPDEDSDSPEWVEGA	77 / 9 AA	61
Phosphosite 3:	RNF14	Q9UBS8	S393	KALEEMESKEWLEKN	55 / 9 AA	54
Phosphosite 4:	Tiam1	Q13009	S87	GTLEDFGSPIWVDRV	66 / 9 AA	178
Phosphosite 5:	ZNF423	Q2M1K9	S673	QCKEDFDSQESLLQH	66 / 9 AA	145
Phosphosite 6:	FANCI	Q9NVI1	S979	SQEEDFNSKEALLLV	85 / 7 AA	149
Phosphosite 7:	STXBP3	O00186	S492	AIDNRLDSKEWPYCS	83 / 6 AA	68
Phosphosite 8:	EFHD2	Q96C19	S146	EVDEDFDSKLSFREF	100 / 6 AA	27
Phosphosite 9:	PSMD2	Q13200	S622	ICSEHFDSKEKEEDK	85 / 7 AA	100
Phosphosite 10:	ARHGAP9	Q9BRR9	S621	EGRLDLDSTEWDDIH	71 / 7 AA	83
Phosphosite 11:	SHD	Q96IW2	S202	AFAVQFDSPEWERTP	71 / 7 AA	38
Phosphosite 12:	SIPA1L2	Q9P2F8	S389	GSKEDLNSKENLDAD	55 / 9 AA	190
Phosphosite 13:	MAP9	Q49MG5	S50	EYSDDFDSDEIVSLG	66 / 9 AA	74
Phosphosite 14:	Phosducin	P20941	S64	QSRNGKDSKERVSRK	83 / 6 AA	28
Phosphosite 15:	ARHGAP9	Q9BRR9	T622	GRLDLDSTEWDDIHV	71 / 7 AA	83
Phosphosite 16:	ZNF84	P51523	T18	DDLSVDFTQKEWQLL	71 / 7 AA	85
Phosphosite 17:	MGAT4A	Q9UM21	S228	LKETFGDSKERVRWR	83 / 6 AA	62
Phosphosite 18:	EXOC8	Q8IYI6	S511	FSKQVFDSKESLSTA	71 / 7 AA	82
Phosphosite 19:	BC060632	Q765P7	S34	PIWEDFNSKATKLHS	83 / 6 AA	80
Phosphosite 20:	RANGAP1	P46060	S50	KEIEDFDSLEALRLE	85 / 7 AA	64