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:	MUC4
Human P-Site:	S447
P-Site Sequence:	STALSPSSLPPKIST
UniProt:	Q99102
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MUC4	Q99102	S447	STALSPSSLPPKIST	100 / 9 AA	232
Phosphosite 1:	MUC4	Q99102	S446	LSTALSPSSLPPKIS	100 / 8 AA	232
Phosphosite 2:	SH3D19	Q5HYK7	S41	KPEITPRSLPPKPTV	66 / 9 AA	87
Phosphosite 3:	ENPP4	Q9Y6X5	S23	FRSDSSSSLPPKLLL	87 / 8 AA	52
Phosphosite 4:	Rab11FIP1	Q6WKZ4	S562	PSPTDSPSSLPPLPS	100 / 7 AA	137
Phosphosite 5:	Rab11FIP1	Q6WKZ4	S563	SPTDSPSSLPPLPSS	100 / 7 AA	137
Phosphosite 6:	SBNO2	Q9Y2G9	S83	APVATASSLPPKTCD	75 / 8 AA	150
Phosphosite 7:	Grb10	Q13322	S158	PPVLTPGSLPPSQAA	75 / 8 AA	67
Phosphosite 8:	MRPL50	Q8N5N7	S146	KFDELSASNLPPNLK	75 / 8 AA	18
Phosphosite 9:	MFSD4	Q8N468	S277	PEKEDASSLPPKFQS	85 / 7 AA	56
Phosphosite 10:	FLJ34931	A6NGG8	S1147	AHPLTPPSLPPEAGG	66 / 9 AA	140
Phosphosite 11:	NES	P48681	T354	LLPVLSPTSLPSPLP	85 / 7 AA	177
Phosphosite 12:	LAMP3	Q9UQV4	S133	GPSLAPYSLPPTITP	66 / 9 AA	44
Phosphosite 13:	UBAP2	Q5T6F2	S1099	GQRSQPSSLQPKSQA	85 / 7 AA	117
Phosphosite 14:	LAT	O43561	S139	WTRLTPVSLPPEPAC	66 / 9 AA	28
Phosphosite 15:	NES	P48681	S355	LPVLSPTSLPSPLPA	85 / 7 AA	177
Phosphosite 16:	CSRNP2	Q9H175	S507	HPSWSPSSLPFRTDN	85 / 7 AA	60
Phosphosite 17:	CDCP2	Q5VXM1	S399	QSLQSPSSIPPVCPA	85 / 7 AA	49
Phosphosite 18:	CEP120	Q8N960	S631	AVQQKPSSLPPAPCP	100 / 6 AA	113
Phosphosite 19:	CEP120	Q8N960	S630	SAVQQKPSSLPPAPC	100 / 6 AA	113
Phosphosite 20:	RP1L1	Q8IWN7	S946	EASGVSPSSLPRSSP	85 / 7 AA	261