>sp|Q1A243|ENV_SIVEK Envelope glycoprotein gp160 OS=Simian immunodeficiency virus (isolate EK505) OX=388912 GN=env PE=3 SV=1
MKVTEMQKNWLICCLLIGLIKIIGSELWVTVYYGVPVWRDAETVLFCASDAKAHSTEAHN
IWATQACVPTDPNPQEVLIPNVTERFDMWKNNMVDQMQEDIISLWEQSLKPCVKLTPLCV
TLSCSSWRSVNNSVNQTNHVQMQNCSFNVTTELRDKKKQVYSLFYMGDIIPLDTNNSSGN
NSQYRLINCNTTAVTQACPKISFEPIPIYYCAPPGFAIIKCNDQDFNGTGECNNVSTVQC
THGIKPVISTQLILNGSLATSNIVIRNNSKDTLLVQLNESIPINCTRPGNKTRGQVQIGP
GMTFYNIENIIGDTRQAYCEVNRTWEQIWNTTKQIIINNRKNITFIPNPGGDLEVTNLMI
NCGGEFFYCNTSQLFTNQNGNTTGNITLQCRIRQIVNLWTRVGKGIYAPPIKGPINCLSN
ITGIILDYTKSGTEKYTIYPTGGDMTNLWRQELYKYKVVSIEPIGVAPGKAKRHTVTRQK
RAAFGLGALFLGFLGAAGSTMGAASITLTVQARKLLSGIVQQQNNLLRAIEAQQHLLQLS
VWGIKQLQARVLAIERYLRDQQILGLWGCSGKSVCYTNVPWNTTWSNNNSYDTIWGNMTW
QNWDEQVRNYSGVIFGLLEQAQEQQSINEKSLLELDQWSSLWNWFDITKWLWYIKIFIMV
VAGIVGIRIISIIMSMVARVRQGYSPLSLQTLIPTTRGPDRPERTEEDAGELDNGRSVRL
VSGFLALAWEDFRNLLLFLYHRLTDCLSILRRTLELLRQNIHKGLQLLNELRIYLWGIIA
YWGRELKISAINLLDTTAVAVAEGTDRIIELVQRIGRGILHIPRRIRQGLERALL