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:	MUC3B
Human P-Site:	S312
P-Site Sequence:	ITAFPSLSSSSTTST
UniProt:	Q9H195
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MUC3B	Q9H195	S312	ITAFPSLSSSSTTST	100 / 9 AA	96
Phosphosite 1:	MUC3A	Q02505	S1952	ITGFPSLSSSATTST	88 / 9 AA	266
Phosphosite 2:	ZFHX3	Q15911	S3636	PPSFPPLSSSSTVTS	88 / 9 AA	404
Phosphosite 3:	C3orf36	Q3SXR2	S131	RCSIPSLSSSSTFSL	88 / 9 AA	17
Phosphosite 4:	OTUD4	Q01804	S474	EQAFPALSSSSVNQS	77 / 9 AA	124
Phosphosite 5:	NHSL2	Q5HYW2	S287	GDTYQSLSSSSTATG	77 / 9 AA	76
Phosphosite 6:	MECT1	Q6UUV9	S273	EPTFPALSSSSSTGN	77 / 9 AA	67
Phosphosite 7:	MUC3B	Q9H195	S313	TAFPSLSSSSTTSTS	100 / 8 AA	96
Phosphosite 8:	PRR19	A6NJB7	S270	PPYFPSLSSPSGTAW	87 / 8 AA	39
Phosphosite 9:	KIAA0240	Q6AI39	S544	PSRFPAVSSASTAHP	66 / 9 AA	115
Phosphosite 10:	CDC25A	P30304	S266	FDSPSLCSSSTRSVL	87 / 8 AA	59
Phosphosite 11:	ANKRD11	Q6UB99	S519	PSLFSSLSASSTSSH	77 / 9 AA	298
Phosphosite 12:	USP37	Q86T82	T187	ARTIPSLTSTSTPLR	66 / 9 AA	110
Phosphosite 13:	ELF1	P32519	S316	ESSDPSLSSSATSNR	87 / 8 AA	67
Phosphosite 14:	ZNF598	Q86UK7	S447	LKDEDFPSLSASTSS	85 / 7 AA	99
Phosphosite 15:	DCHS2	Q6V1P9	S1353	VRDGGFPSLSSTTTI	85 / 7 AA	322
Phosphosite 16:	ZNF598	Q86UK7	S449	DEDFPSLSASTSSSC	75 / 8 AA	99
Phosphosite 17:	ELF1	P32519	S317	SSDPSLSSSATSNRN	87 / 8 AA	67
Phosphosite 18:	PRC1	O43663	S589	FAKDPSLSDSSTVGL	87 / 8 AA	72
Phosphosite 19:	ZFHX3	Q15911	S3637	PSFPPLSSSSTVTSS	87 / 8 AA	404
Phosphosite 20:	PRR19	A6NJB7	S268	PWPPYFPSLSSPSGT	100 / 6 AA	39