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:	CTRB1
Human P-Site:	S44
P-Site Sequence:	GEDAVPGSWPWQVSL
UniProt:	P17538
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CTRB1	P17538	S44	GEDAVPGSWPWQVSL	100 / 9 AA	28
Phosphosite 1:	CTRB2	Q6GPI1	S44	GEDAVPGSWPWQVSL	100 / 9 AA	28
Phosphosite 2:	CELA3A	P09093	S39	GEDAVPYSWPWQVSL	88 / 9 AA	29
Phosphosite 3:	CELA3B	P08861	S39	GEDAVPYSWPWQVSL	88 / 9 AA	29
Phosphosite 4:	PRSS36	Q5K4E3	T57	GSNAQPGTWPWQVSL	77 / 9 AA	92
Phosphosite 5:	CELA2B	P08218	S39	GEEARPNSWPWQVSL	77 / 9 AA	29
Phosphosite 6:	CELA2A	P08217	S39	GEEARPNSWPWQVSL	77 / 9 AA	29
Phosphosite 7:	CTRC	Q99895	S40	GEDARPHSWPWQISL	77 / 9 AA	29
Phosphosite 8:	CELA3A	P09093	Y38	HGEDAVPYSWPWQVS	87 / 8 AA	29
Phosphosite 9:	CELA3B	P08861	Y38	NGEDAVPYSWPWQVS	87 / 8 AA	29
Phosphosite 10:	ERN2	Q76MJ5	S8	MASAVRGSRPWPRLG	75 / 8 AA	102
Phosphosite 11:	C11orf56	Q8N612	S641	QLNGVPGSWPEGAKK	85 / 7 AA	106
Phosphosite 12:	OVCH2	Q7RTZ1	Y63	SQVEKGSYPWQVSLK	83 / 6 AA	63
Phosphosite 13:	OVCH2	Q7RTZ1	S62	GSQVEKGSYPWQVSL	83 / 6 AA	63
Phosphosite 14:	HPR	P00739	S114	GHLDAKGSFPWQAKM	83 / 6 AA	39
Phosphosite 15:	HP	P00738	S172	GHLDAKGSFPWQAKM	83 / 6 AA	45
Phosphosite 16:	CUL1	Q13616	S544	IQVLSSGSWPFQQSC	71 / 7 AA	90
Phosphosite 17:	C9orf106	Q8NAJ2	S134	PGSQVEPSWPWHPGL	62 / 8 AA	25
Phosphosite 18:	ZNF16	P17020	S21	ELSVPGPSPWTPAAQ	71 / 7 AA	76
Phosphosite 19:	KLK7	P49862	S40	GAPCARGSHPWQVAL	83 / 6 AA	28
Phosphosite 20:	LBA1	O15050	S662	EGSAVPDSWETLPGT	83 / 6 AA	284