Lassa-VIRUS-LAMP-1-receptor-recognition-arenaviruses-internalizing-3Dciencia Published July 5, 2018 at 1536 × 2048 in Molecular Mechanism for LAMP1 Recognition by Lassa Virus. The surface glycoprotein of Lassa virus mediates receptor recognition through its GP1 subunit. The surface glycoprotein of Lassa virus mediates receptor recognition through its GP1 subunit.