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:	S181
P-Site Sequence:	PTTVTFGSMDSSTST
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	S181	PTTVTFGSMDSSTST	100 / 9 AA	96
Phosphosite 1:	MUC3A	Q02505	S1821	PTTVTFGSTDSSTST	88 / 9 AA	266
Phosphosite 2:	SENP1	Q9P0U3	S283	TPDVAFGSKDSGTLH	75 / 8 AA	73
Phosphosite 3:	MUC3B	Q9H195	T178	SPVPTTVTFGSMDSS	100 / 6 AA	96
Phosphosite 4:	NeuroD	Q13562	T233	LPSPPYGTMDSSHVF	71 / 7 AA	40
Phosphosite 5:	C20orf152	Q96M20	T74	QSRVTFDTMDFIAEE	71 / 7 AA	67
Phosphosite 6:	Per1	O15534	S1100	HTSKYFGSIDSSEAE	85 / 7 AA	136
Phosphosite 7:	Per2	O15055	S1105	HTSKYFGSIDSSENN	85 / 7 AA	137
Phosphosite 8:	PCNA	P12004	S39	SSGVNLQSMDSSHVS	66 / 9 AA	29
Phosphosite 9:	MED13	Q9UHV7	S1563	PSFPPFGSMNSNAAG	71 / 7 AA	239
Phosphosite 10:	NuaK2	Q9H093	S523	AAPTTFGSLDELAPP	83 / 6 AA	70
Phosphosite 11:	C17orf101	Q6PK18	S238	VDKVTYGSFDYTSLL	71 / 7 AA	36
Phosphosite 12:	COL11A2	P13942	S1546	GLEEIFGSLDSLREE	71 / 7 AA	172
Phosphosite 13:	HAUS5	O94927	T169	RKAKVDVTFGSLTSA	83 / 6 AA	72
Phosphosite 14:	MED13	Q9UHV7	S859	MNNKEYGSMDTTPGG	57 / 7 AA	239
Phosphosite 15:	liprin alpha 4	O75335	S128	ETRVTSGSMEALNLK	62 / 8 AA	78
Phosphosite 16:	ATP11B	Q9Y2G3	T1171	RSILTLSTMDSSTC_	55 / 9 AA	134
Phosphosite 17:	liprin alpha 4	O75335	S126	EIETRVTSGSMEALN	71 / 7 AA	78
Phosphosite 18:	MMP25	Q9NPA2	S219	EETWTFGSKDGEGTD	71 / 7 AA	63
Phosphosite 19:	MUC3B	Q9H195	S184	VTFGSMDSSTSTLHT	100 / 6 AA	96
Phosphosite 20:	CCDC114	Q96M63	S590	TGHVTFGSTSASSGG	66 / 9 AA	75