About the Authors

Indrani Rebbapragada

Affiliation Department of Biology, Gilead Sciences Inc., Foster City, California, USA

Gabriel Birkus

Affiliation Department of Biology, Gilead Sciences Inc., Foster City, California, USA

Jason Perry

Affiliation Department of Structural Chemistry Gilead Sciences Inc., Foster City, California, USA

Weimei Xing

Affiliation Department of Biology, Gilead Sciences Inc., Foster City, California, USA

HyockJoo Kwon

Affiliation Department of Biology, Gilead Sciences Inc., Foster City, California, USA

Stefan Pflanz

Stefan.Pflanz@gilead.com

Affiliation Department of Biology, Gilead Sciences Inc., Foster City, California, USA

Competing Interests

All authors (IR, GB, JP, WX, HK, and SP) are employees of Gilead Sciences Inc and were recipients of salary payments, employment benefits, and company stock. GS-9620 is presently evaluated in clinical trials for possible therapeutic utility in HBV and HIV infection. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials. Other declarations related to consultancy, patents, or marketed products, do not apply to the authors.

Author Contributions

Conceived and designed the experiments: IR GB JP HK SP. Performed the experiments: IR GB WX HK. Analyzed the data: IR GB SP. Contributed reagents/materials/analysis tools: GB JP WX HK. Wrote the paper: IR SP.