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:	S645
P-Site Sequence:	PSHSPLHSGPRPRRR
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	S645	PSHSPLHSGPRPRRR	100 / 9 AA	143
Phosphosite 1:	MLL	Q03164	S684	RLFSPLHSGTRFDMH	87 / 8 AA	432
Phosphosite 2:	SAMD14	Q8IZD0	S88	RLRSPLHSGPGSPAG	100 / 7 AA	45
Phosphosite 3:	ZNF683	Q8IZ20	S421	KTHLRLHSGARPFQC	85 / 7 AA	57
Phosphosite 4:	ZNF408	Q9H9D4	S574	RAHERLHSGERPFPC	85 / 7 AA	78
Phosphosite 5:	COX6A2	Q02221	S51	TFNSYLHSGHRPRPE	85 / 7 AA	11
Phosphosite 6:	HLX1	Q14774	S242	AILSPLNSNPRNSVQ	75 / 8 AA	51
Phosphosite 7:	ZNF440	Q8IYI8	S335	QTHVRLHSGERPYEC	85 / 7 AA	69
Phosphosite 8:	ZNF497	Q6ZNH5	S437	RQHQRLHSGERPFVC	85 / 7 AA	55
Phosphosite 9:	ZNF425	Q6IV72	S717	KAHLCLHSGERPFSC	85 / 7 AA	88
Phosphosite 10:	ZNF517	Q6ZMY9	S447	NEHYRLHSGERPYRC	85 / 7 AA	55
Phosphosite 11:	ZNF628	Q5EBL2	S522	QYHLRLHSGERPYAC	85 / 7 AA	110
Phosphosite 12:	5-HT(6)	P50406	S358	PSLRTSHSGPRPGLS	100 / 6 AA	47
Phosphosite 13:	TRPS1	Q9UHF7	S928	GLYQKLHSTPRPLNI	85 / 7 AA	142
Phosphosite 14:	ZNF470	Q6ECI4	S588	VQHQRLHSGKRPYEC	85 / 7 AA	83
Phosphosite 15:	TRPS1	Q9UHF7	T929	LYQKLHSTPRPLNII	85 / 7 AA	142
Phosphosite 16:	SF1	Q15637	S342	PATTPLASAPRPAAP	66 / 9 AA	68
Phosphosite 17:	GTF3C2	Q8WUA4	S434	HPLSQLHSGPGLLQL	85 / 7 AA	101
Phosphosite 18:	PIWIL2	Q8TC59	S197	LPQSPLHSPDRPLVL	77 / 9 AA	110
Phosphosite 19:	ABI3BP	Q7Z7G0	T749	TTPPLRSTPRPTGTP	75 / 8 AA	119
Phosphosite 20:	CLIP2	Q9UDT6	S529	LQQCLLHSGPPPPDH	85 / 7 AA	116