Research Article     • Olivia Twu,      Affiliation: Molecular
Biology Institute, University of California, Los Angeles,
California, United States of America    • Natalia de Miguel
equal contributor,      equal contributor Contributed equally to
this work with: Natalia de Miguel, Patricia J. Johnson
Affiliations: Department of Microbiology, Immunology and
Molecular Genetics, University of California, Los Angeles,
California, United States of America, IIB-INTECH, CONICET-UNSAM,
Camino de Circunvalación Laguna Km. 6, Buenos Aires, Argentina
• Gila Lustig,     • Grant C. Stevens,     • Ajay A. Vashisht,
Affiliation: Department of Biological Chemistry, University of
California, Los Angeles, California, United States of America
• James A. Wohlschlegel,      Affiliations: Molecular Biology
Institute, University of California, Los Angeles, California,
United States of America, Department of Biological Chemistry,
University of California, Los Angeles, California, United States
of America    • Patricia