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:	ETB
Human P-Site:	S442
P-Site Sequence:	SSNKYSSS_______
UniProt:	P24530
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ASB2	Q96Q27	Y45	FQGVMQKYSSSLFKT	100 / 5 AA	65
Phosphosite 1:	Chk1	O14757	Y314	SSEENVKYSSSQPEP	100 / 5 AA	54
Phosphosite 2:	Chk1	O14757	S316	EENVKYSSSQPEPRT	100 / 5 AA	54
Phosphosite 3:	NRG3	P56975	Y553	ERPLDLKYSSSGLKT	100 / 5 AA	78
Phosphosite 4:	NRG3	P56975	S554	RPLDLKYSSSGLKTQ	100 / 5 AA	78
Phosphosite 5:	Chk1	O14757	S315	SEENVKYSSSQPEPR	100 / 5 AA	54
Phosphosite 6:	ICOS	Q9Y6W8	S172	TKKKYSSSVHDPNGE	100 / 5 AA	23
Phosphosite 7:	POMT1	Q9Y6A1	S566	DDSEHKYSSSPLEWV	100 / 5 AA	85
Phosphosite 8:	GPATCH8	Q9UKJ3	S930	SKRHKYSSSDDDYSL	100 / 5 AA	164
Phosphosite 9:	Chk1	O14757	S317	ENVKYSSSQPEPRTG	100 / 5 AA	54
Phosphosite 10:	GPATCH8	Q9UKJ3	S929	RSKRHKYSSSDDDYS	100 / 5 AA	164
Phosphosite 11:	ASB2	Q96Q27	S46	QGVMQKYSSSLFKTS	100 / 5 AA	65
Phosphosite 12:	ZNF737	O75373	Y408	ECGEAFKYSSSLTTH	100 / 5 AA	62
Phosphosite 13:	ZNF737	O75373	S411	EAFKYSSSLTTHKII	100 / 5 AA	62
Phosphosite 14:	SMG1	Q96Q15	S42	PGNLKYSSSRDRGGS	100 / 5 AA	410
Phosphosite 15:	Putative uncharacterized SMG1-like protein	Q6P435	S42	PGNLKYSSSRDRGGS	100 / 5 AA	18
Phosphosite 16:	ZFP37	Q9Y6Q3	S445	CGKAFKYSSSLTKHM	100 / 5 AA	71
Phosphosite 17:	SMG1	Q96Q15	S41	DPGNLKYSSSRDRGG	100 / 5 AA	410
Phosphosite 18:	Putative uncharacterized SMG1-like protein	Q6P435	Y40	ADPGNLKYSSSRDRG	100 / 5 AA	18
Phosphosite 19:	Putative uncharacterized SMG1-like protein	Q6P435	S41	DPGNLKYSSSRDRGG	100 / 5 AA	18
Phosphosite 20:	CXorf57	Q6NSI4	S522	TFSKYSSSIKVESLL	100 / 5 AA	98