>sp|Q74126|ENV_HV2KR Envelope glycoprotein gp160 OS=Human immunodeficiency virus type 2 subtype A GN=env MDSRNQLIVAILLTSACLIYCAQYVTVFYGIPAWKNASIPLFCATRNRDTWGTIQCLPDN DDYQEIPLNVTEAFDAWNNTVTEQAVEDVWNLFETSVKPCVKLTPLCVQMECNSTSTESS NSTSEGSTVPEILNETTSCITNNSCSDLGSEEVVDCRFNMTGLQLDKPQQYSETWYSKDV VCDTTNGTSRKCYMNHCNTSVITESCDKHYWDAMRFRYCAPPGLCLLRCNDTNYSGFEPK CPKVVAATCTRMMETQTSTWFGFNGTRAENRTYIYWHGRDNRTIISLNTHYNLTMHCKRP GNKSVLPITLRSGRVFHSRPIINERPKQAWCWFGGDWKKAMQEVKQTLVKHPRYRGTNDT QKINFTQPGKGSDAEVVYMWTNCRGEFLYCNMTRFLNWIENRAHPQRNYAPCHIRQIINT WHRVGQNIYLPPREGELVCNSTVTSIIANIDMFDNQTSITFSAEVAELYRLELGDYKLVE ITPIGFAPTSEKRYSSAPQRNKRGVFVLGVLGFLATAGSAMGAASLTLSAHPGLYWAGIV QQQQQLLDVVKRQQEMLRLTVWGTKNLQTRVTAIEKYLRDQARLNSWGCAFRQVCYTTVL WENNSIVPDWNNMTWQEWEQQTRDLEANISRSLEQAQIQQEKNMYELQKLNSWDVFGNWF DLTSWIKYIQYGVYVIIGIIALRIVIYVVQLLSRLRKGYRPVFSSPPGYIQQIHIHKDWE QPDREETDEDAGNSIGDSSWPWPIAYIHFLIRQLIRLLTGLYSVCKDLLSRSFPTLQLIF QSLQRALTTIRDWLRLTIAYLQYGCEWIQEVLQVLARTTRETLASAWRDLWGAMGRIGRG ILAVPRRIRQGAELALL