>d5hfmd1 h.3.2.1 (D:539-656) Retrovius gp41 protease-resistant core {Human immunodeficiency virus type 1 [TaxId: 11676]} vqarqllsgivqqqnnllraieaqqhllqltvwgikqlqarilsggrggweewdkkieey tkkieelikksqnqqidl