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:	GUCY1B2
Human P-Site:	S421
P-Site Sequence:	NVLNSMYSKFDRLTS
UniProt:	O75343
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	GUCY1B2	O75343	S421	NVLNSMYSKFDRLTS	100 / 9 AA	70
Phosphosite 1:	MCM2	P49736	Y274	VLAMYPKYDRITNHI	71 / 7 AA	102
Phosphosite 2:	CDO1	Q16878	Y50	DPTEWAMYAKFDQYR	71 / 7 AA	23
Phosphosite 3:	ZNF643	Q9UJL9	S82	TKGSSMYSTLGRISK	55 / 9 AA	50
Phosphosite 4:	RASEF	Q8IZ41	S365	SALENSYSKFNRSLH	83 / 6 AA	83
Phosphosite 5:	ZNF643	Q9UJL9	T83	KGSSMYSTLGRISKC	62 / 8 AA	50
Phosphosite 6:	AMPK-gamma1	P54619	Y241	KGRVVDIYSKFDVIN	83 / 6 AA	38
Phosphosite 7:	MELL1	Q495T6	S137	PETNSRYSIFDVLRD	75 / 8 AA	89
Phosphosite 8:	XDH	P47989	Y58	CTVMLSKYDRLQNKI	71 / 7 AA	146
Phosphosite 9:	GH2	P01242	S170	QIFNQSYSKFDTKSH	75 / 8 AA	25
Phosphosite 10:	Btk	Q06187	Y571	SPPEVLMYSKFSSKS	100 / 5 AA	76
Phosphosite 11:	Btk	Q06187	S572	PPEVLMYSKFSSKSD	100 / 5 AA	76
Phosphosite 12:	SPHK1IP	Q2M3C7	S793	NLVDGMYSKQDKGGV	55 / 9 AA	186
Phosphosite 13:	CCNYL2	Q5T2Q4	Y293	NSITNSVYSRFYFDL	71 / 7 AA	41
Phosphosite 14:	CysRS	P49589	Y698	FLSETDKYSKFDENG	83 / 6 AA	85
Phosphosite 15:	SETD2	Q9BYW2	S489	DLRTSSYSKSDRDCK	66 / 9 AA	288
Phosphosite 16:	CCNYL2	Q5T2Q4	S294	SITNSVYSRFYFDLR	71 / 7 AA	41
Phosphosite 17:	CSHL1	Q14406	S152	QTLKQTYSKFDTNSH	100 / 5 AA	23
Phosphosite 18:	CSH1	P01243	S170	QILKQTYSKFDTNSH	100 / 5 AA	25
Phosphosite 19:	SPHK1IP	Q2M3C7	Y792	NNLVDGMYSKQDKGG	62 / 8 AA	186
Phosphosite 20:	FLNC	Q14315	Y83	VLSQKRMYRKFHPRP	50 / 8 AA	291