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:	Chk1
Human P-Site:	S280
P-Site Sequence:	AKRPRVTSGGVSESP
UniProt:	O14757
Intern. Prot. ID:	IPI00023664

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	Chk1	O14757	S280	AKRPRVTSGGVSESP	100 / 9 AA	54
Phosphosite 1:	Chk1	O14757	T279	GAKRPRVTSGGVSES	100 / 8 AA	54
Phosphosite 2:	KIAA0649	Q5T8A7	S943	PVPPRSTSGGVSAKG	88 / 9 AA	127
Phosphosite 3:	KIAA0649	Q5T8A7	T942	DPVPPRSTSGGVSAK	87 / 8 AA	127
Phosphosite 4:	RREB1	Q92766	S1167	RSRPRANSGGVDLDS	75 / 8 AA	181
Phosphosite 5:	GALM	Q96C23	S124	LWTPRVLSNGVQFSR	75 / 8 AA	38
Phosphosite 6:	MOGS	Q13724	T40	RGGGPRSTAGGVALA	75 / 8 AA	92
Phosphosite 7:	ZNF689	Q96CS4	T145	PRLIPRQTSGGPICP	85 / 7 AA	57
Phosphosite 8:	ZNF689	Q96CS4	S146	RLIPRQTSGGPICPD	85 / 7 AA	57
Phosphosite 9:	SUN1	O94901	S114	VSRQVTSSGVSHGGT	75 / 8 AA	90
Phosphosite 10:	FSH receptor	P23945	T679	CSSAPRVTNGSTYIL	83 / 6 AA	78
Phosphosite 11:	Putative uncharacterized protein UNQ5830/PRO19650/PRO19816	Q6UY13	S69	CSRHRVTSAGLTLQD	55 / 9 AA	11
Phosphosite 12:	PLCL2	Q9UPR0	S51	HGRARYDSGGVSNGD	66 / 9 AA	126
Phosphosite 13:	DLGAP4	Q9Y2H0	T622	STRPPSVTRGGVAPA	75 / 8 AA	108
Phosphosite 14:	SUN1	O94901	S113	HVSRQVTSSGVSHGG	75 / 8 AA	90
Phosphosite 15:	NUPL1	Q9BVL2	T449	WQNTPRVTTGPTPFS	83 / 6 AA	61
Phosphosite 16:	NUPL1	Q9BVL2	T450	QNTPRVTTGPTPFST	83 / 6 AA	61
Phosphosite 17:	CYB5R4	Q7L1T6	S20	RSQQRVASGGRSKVP	66 / 9 AA	59
Phosphosite 18:	KIAA0649	Q5T8A7	S941	GDPVPPRSTSGGVSA	85 / 7 AA	127
Phosphosite 19:	SLC7A2	P52569	S460	GSSPRVTSKSESQVT	66 / 9 AA	72
Phosphosite 20:	Putative uncharacterized protein UNQ5830/PRO19650/PRO19816	Q6UY13	T68	ICSRHRVTSAGLTLQ	62 / 8 AA	11