Glutamate 87 is important for menaquinol binding in DmsC of the DMSO reductase (DmsABC) from Escherichia coli.

doi:10.1016/j.bbamem.2003.10.016

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Article

Glutamate 87 is important for menaquinol binding in DmsC of the DMSO reductase (DmsABC) from Escherichia coli.

Biochimica et biophysica acta - 28 Jan 2004

Geijer Paulina, Weiner Joel H

Abstract excerpt

Escherichia coli dimethylsulfoxide (DMSO) reductase is a trimeric enzyme with a catalytic dimer (DmsAB) and an integral membrane anchor (DmsC). Using site-directed mutagenesis, we examined six residues in the periplasmic loop between helices two and three, potentially involved in menaquinol binding in DmsC. Mutants were characterised for growth, enzyme expression and activity, and 2-n-heptyl-4-hydroxoquinoline...

Topics

Amino Acid Sequence
Cytochromes
Cytoplasm
Electron Transport Complex IV
Escherichia coli
Escherichia coli Proteins
Glutamic Acid
Iron-Sulfur Proteins
Molecular Sequence Data
Mutation
Naphthols
Oxidoreductases
Periplasm
Protein Binding
Sequence Alignment
Terpenes

Source

Open in PubMed

Identifiers

PMID: 14757221
DOI: 10.1016/j.bbamem.2003.10.016

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