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:	S841
P-Site Sequence:	GRQRRGRSWDQDRKW
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	S841	GRQRRGRSWDQDRKW	100 / 9 AA	96
Phosphosite 1:	MUC3A	Q02505	S2481	GGQRRGRSWDQDRKW	100 / 9 AA	266
Phosphosite 2:	CCHCR1	Q8TD31	S78	EPGRRGRSWGLEGSQ	66 / 9 AA	89
Phosphosite 3:	LAMB2	P55268	S1595	QDARRARSWAEDEKQ	66 / 9 AA	196
Phosphosite 4:	ZIM2	Q9NZV7	S46	DWDRRGRSRDMEPRD	66 / 9 AA	61
Phosphosite 5:	PEG3	Q9GZU2	S171	DWDRRGRSRDMEPRD	66 / 9 AA	181
Phosphosite 6:	DNAH11	Q96DT5	S52	AAARRARSFAQDARV	66 / 9 AA	521
Phosphosite 7:	TJP2	Q9UDY2	S244	RDRSRGRSIDQDYER	87 / 8 AA	134
Phosphosite 8:	ANKS1A	Q92625	S382	SMASGRSSDQDSTNK	85 / 7 AA	123
Phosphosite 9:	NCM	Q9HCG8	S61	EHSRRGRSYDSSMES	85 / 7 AA	106
Phosphosite 10:	SORBS3	O60504	S197	ATSSSGRSWDHSEEL	83 / 6 AA	75
Phosphosite 11:	PLEKHG4B	Q96PX9	S81	GRTLPRRSRSWERAP	71 / 7 AA	140
Phosphosite 12:	PLEKHG4B	Q96PX9	S83	TLPRRSRSWERAPRS	55 / 9 AA	140
Phosphosite 13:	ZRSR1	Q15695	S435	RGRNRHRSWDQGRRS	85 / 7 AA	58
Phosphosite 14:	ZO3	O95049	S141	SSSGSGRSWDERSRR	83 / 6 AA	103
Phosphosite 15:	HSPB1	P04792	S15	FSLLRGPSWDPFRDW	71 / 7 AA	23
Phosphosite 16:	DDX46	Q7L014	S42	GDDRRSRSRDRDRRR	66 / 9 AA	117
Phosphosite 17:	PROCA1	Q8NCQ7	S23	KTEPKARSWDESLSD	50 / 8 AA	41
Phosphosite 18:	C19orf29	Q8WUQ7	S40	RRRRRARSWSPSSSA	62 / 8 AA	80
Phosphosite 19:	PIF1	Q9H611	S619	ATLRRGRSLSLESPD	55 / 9 AA	70
Phosphosite 20:	MXRA5	Q9NR99	S475	TRQARGRSWVMIEPS	100 / 5 AA	312