TY - RPRT TI - Human immunodeficiency virus type 1 and type 2 protease monomers are functionally interchangeable in the dimeric enzymes. AU - C E Patterson AU - R Seetharam AU - C A Kettner AU - Y S Cheng PY - 1992 DO - 10.1128/jvi.66.2.1228-1231.1992 UR - https://pubmed.ncbi.nlm.nih.gov/1731102/ ID - 1731102 ER -