>tr|Q3S1N5|Q3S1N5_SHEEP T-cell surface glycoprotein CD3 epsilon chain OS=Ovis aries MQTGNLWQVLGLCLLLVGAWAQDDTEQNPYEVSISGNSVELTCPKDFENGIQWKRNNEQM KGHNEKYLLLDQFSEMESSGYYQCLATEGNTEAAHTLYLKARVCKNCMEVNLLEVATIIV VDICVTLGLLLLVYYWSKSRKAKATPMTRGAGAGGRPRGQNRERPPPVPNPDYEPIRKGQ RDLYSGLNQRGV