BBA's Protein Structure and Molecular Enzymology section covers protein structure conformation and dynamics, protein-ligand interactions, enzyme mechanisms, models and kinetics, physical properties and spectroscopy. Manuscripts, the principal purpose of which is to describe the purification of a protein are considered outside the scope of BBA. Concise and comprehensive reviews of recent developments are considered for publication. However, authors are strongly advised to consult one of the Executive Editors before starting a review.Types of papers published: regular papers, short sequence papers, reviews and mini-reviews.