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May 25, 2012

Volume 287Issue 22p17905-18871
Open Access
On The Cover: Basement membranes are composites of two separate networks containing several isoforms of laminin (upper network) or collagen IV (lower network). The laminin and collagen IV networks themselves are macromolecular alloys. This model is derived from transmission electron micrographs of the isolated networks seen in the background in false colors. For details see the article by Behrens et al., pages 18700–18709....
On The Cover: Basement membranes are composites of two separate networks containing several isoforms of laminin (upper network) or collagen IV (lower network). The laminin and collagen IV networks themselves are macromolecular alloys. This model is derived from transmission electron micrographs of the isolated networks seen in the background in false colors. For details see the article by Behrens et al., pages 18700–18709.

Papers of the Week

Minireviews

Bioenergetics

Cell Biology

Developmental Biology

DNA and Chromosomes

Enzymology

Gene Regulation

Glycobiology and Extracellular Matrices

Immunology

Lipids

Membrane Biology

Metabolism

Microbiology

Molecular Bases of Disease

Molecular Biophysics

Neurobiology

Plant Biology

Protein Structure and Folding

Protein Synthesis and Degradation

RNA

Signal Transduction

Additions and Corrections

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