>1qbz_A mol:protein length:123 PROTEIN (SIV GP41 ECTODOMAIN) AQSRTLLAGIVQQQQQLLDVVKRQQELLRLTVWGTKNLQTRVTAIEKYLKDQAQLNAWG AAFRQVAHTTVPWPNASLTPKWNNETWQEWERKVDFLEENITALLEEAQIQQEKNMYEL QKLNS