About the Authors

Weimin Wu

Contributed equally to this work with: Weimin Wu, Norman R. Watts

Roles Formal analysis, Investigation, Methodology, Validation, Visualization, Writing – review & editing

Affiliation Laboratory of Structural Biology Research, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, United States of America

Norman R. Watts

Contributed equally to this work with: Weimin Wu, Norman R. Watts

Roles Formal analysis, Investigation, Methodology, Validation, Visualization, Writing – original draft, Writing – review & editing

Affiliation Protein Expression Laboratory, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, United States of America

Naiqian Cheng

† Deceased.

Roles Investigation, Methodology

Affiliation Laboratory of Structural Biology Research, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, United States of America

Rick Huang

Roles Investigation, Methodology, Writing – review & editing

Affiliation Laboratory of Structural Biology Research, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, United States of America

Alasdair C. Steven

Roles Conceptualization, Funding acquisition, Project administration, Resources, Supervision, Writing – review & editing

Affiliation Laboratory of Structural Biology Research, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, United States of America

Paul T. Wingfield

Roles Conceptualization, Funding acquisition, Project administration, Resources, Supervision, Writing – review & editing

wingfiep@mail.nih.gov

Affiliation Protein Expression Laboratory, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, United States of America

Competing Interests

The authors have declared that no competing interests exist.