About the Authors

Laxmi Parida

Affiliation Computational Biology Center, IBM Thomas J. Watson Research Center, Yorktown Heights, New York, United States of America,

Ruhong Zhou

Affiliations Computational Biology Center, IBM Thomas J. Watson Research Center, Yorktown Heights, New York, United States of America, , Department of Chemistry, Columbia University, New York, New York, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

RZ conceived and designed the experiments. LP and RZ performed the experiments, analyzed the data, and wrote the paper.