>1QCE_1|Chains A, B, C|PROTEIN (GP41)|Simian immunodeficiency virus (11723) AQSRTLLAGIVQQQQQLLDVVKRQQELLRLTVWGTKNLQTRVTAIEKYLKDQAQLNAWGAAFRQVAHTTVPWPNASLTPKWNNETWQEWERKVDFLEENITALLEEAQIQQEKNMYELQKLNS