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:	CTXN3
Human P-Site:	S21
P-Site Sequence:	LGNESADSSMSLEQK
UniProt:	Q4LDR2
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CTXN3	Q4LDR2	S21	LGNESADSSMSLEQK	100 / 9 AA	9
Phosphosite 1:	CTXN3	Q4LDR2	S22	GNESADSSMSLEQKM	100 / 8 AA	9
Phosphosite 2:	KIAA0423	Q9Y4F4	S999	LDLESPDSAMKLDLT	66 / 9 AA	189
Phosphosite 3:	Rab11FIP2	Q7L804	S334	ESSETWDSSMNLFSK	66 / 9 AA	58
Phosphosite 4:	CTXN3	Q4LDR2	S24	ESADSSMSLEQKMTF	100 / 6 AA	9
Phosphosite 5:	SON	P18583	S353	VPSEIADSSMTRPQE	75 / 8 AA	264
Phosphosite 6:	ATRX	P46100	T1918	IASDSDETSMSLSSD	55 / 9 AA	283
Phosphosite 7:	ZNF294	O94822	S818	SEAESSDSSVSFICD	66 / 9 AA	201
Phosphosite 8:	MADD	Q8WXG6	S1163	KSQISADSGVSLTSS	75 / 8 AA	183
Phosphosite 9:	C3orf67	Q6ZVT6	S460	GATESQDSSMEQIDR	85 / 7 AA	76
Phosphosite 10:	AHDC1	Q5TGY3	S1321	LDYYSGDSSMSPLPS	85 / 7 AA	168
Phosphosite 11:	LEO1	Q8WVC0	S447	IVKWSDGSMSLHLGN	62 / 8 AA	75
Phosphosite 12:	AHDC1	Q5TGY3	S1322	DYYSGDSSMSPLPSQ	85 / 7 AA	168
Phosphosite 13:	SLC4A5	Q9BY07	S83	GASSQDSSMDLISRT	75 / 8 AA	126
Phosphosite 14:	TNKS1BP1	Q9C0C2	S551	QGDDPSMSLTQKGDG	83 / 6 AA	182
Phosphosite 15:	CTNNA1	P35221	S817	SGVDSAMSLIQAAKN	83 / 6 AA	100
Phosphosite 16:	RIMS2	Q9UQ26	T1209	RQASRESTDGSMNSY	71 / 7 AA	160
Phosphosite 17:	DOCK7	Q96N67	S1324	HTTFSAESSRSLLIC	75 / 8 AA	243
Phosphosite 18:	TRAF7	Q6Q0C0	S100	RSLHSESSMSLRSTF	71 / 7 AA	75
Phosphosite 19:	Rab11FIP2	Q7L804	S335	SSETWDSSMNLFSKP	83 / 6 AA	58
Phosphosite 20:	LEO1	Q8WVC0	S449	KWSDGSMSLHLGNEV	83 / 6 AA	75