About the Authors

Christy M. Hebner

Affiliation Gilead Sciences, Inc., Foster City, California, United States of America

Bin Han

Affiliation Gilead Sciences, Inc., Foster City, California, United States of America

Katherine M. Brendza

Affiliation Gilead Sciences, Inc., Foster City, California, United States of America

Michelle Nash

Affiliation Gilead Sciences, Inc., Foster City, California, United States of America

Maisoun Sulfab

Affiliation Gilead Sciences, Inc., Foster City, California, United States of America

Yang Tian

Affiliation Gilead Sciences, Inc., Foster City, California, United States of America

Magdeleine Hung

Affiliation Gilead Sciences, Inc., Foster City, California, United States of America

Wanchi Fung

Affiliation Gilead Sciences, Inc., Foster City, California, United States of America

Randall W. Vivian

Affiliation Gilead Sciences, Inc., Foster City, California, United States of America

James Trenkle

Affiliation Gilead Sciences, Inc., Foster City, California, United States of America

James Taylor

Affiliation Gilead Sciences, Inc., Foster City, California, United States of America

Kyla Bjornson

Affiliation Gilead Sciences, Inc., Foster City, California, United States of America

Steven Bondy

Affiliation Gilead Sciences, Inc., Foster City, California, United States of America

Xiaohong Liu

Affiliation Gilead Sciences, Inc., Foster City, California, United States of America

John Link

Affiliation Gilead Sciences, Inc., Foster City, California, United States of America

Johan Neyts

Affiliation Rega Institute, KU Leuven, Rega Institute for Medical Research, Leuven, Belgium

Roman Sakowicz

Affiliation Gilead Sciences, Inc., Foster City, California, United States of America

Weidong Zhong

Affiliation Novartis, Emeryville, California, United States of America

Hengli Tang

Affiliation Department of Biological Science, Florida State University, Tallahassee, Florida, United States of America

Uli Schmitz

uli.schmitz@gilead.com

Affiliation Gilead Sciences, Inc., Foster City, California, United States of America

Competing Interests

All authors with the exception of JN and HT were employees of Gilead Sciences. JN and HT receive funds and/or compounds from Gilead Sciences. This does not alter our adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: CH US RV J. Trenkle J. Taylor JL RS XL WZ. Performed the experiments: CH BH KB MN MS YT MH WF. Analyzed the data: CH US KB MN MS RV J. Trenkle J. Taylor JN JL WZ. Wrote the paper: CH US. Key compounds: SB KB. Initial, unintentional discovery of abberrant gel band: HT.