Cobalamin-Independent Methionine Synthase (MetE): A Face-to-Face Double Barrel That Evolved by Gene Duplication

• Robert Pejchal,

  Affiliation Department of Biological Chemistry, University of Michigan, Ann Arbor, Michigan, United States of America

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• Martha L Ludwig

  *To whom correspondence should be addressed. E-mail: mlludwig@umich.edu

  Affiliations Department of Biological Chemistry, University of Michigan, Ann Arbor, Michigan, United States of America, Biophysics Research Division, University of Michigan, Ann Arbor, Michigan, United States of America

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