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SHR Neuro Cancer Cardio Lipid Metab Microb

Herrada, I; Bourgeois, B; Samson, C; Buendia, B; Worman, HJ; Zinn-Justin, S.
Purification and Structural Analysis of LEM-Domain Proteins.
Methods Enzymol. 2016; 569(4):43-61 Doi: 10.1016/bs.mie.2015.07.008
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Co-authors Med Uni Graz: Bourgeois Benjamin Michel Rene
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Abstract:: LAP2-emerin-MAN1 (LEM)-domain proteins are modular proteins characterized by the presence of a conserved motif of about 50 residues. Most LEM-domain proteins localize at the inner nuclear membrane, but some are also found in the endoplasmic reticulum or nuclear interior. Their architecture has been analyzed by predicting the limits of their globular domains, determining the 3D structure of these domains and in a few cases calculating the 3D structure of specific domains bound to biological targets. The LEM domain adopts an α-helical fold also found in SAP and HeH domains of prokaryotes and unicellular eukaryotes. The LEM domain binds to BAF (barrier-to-autointegration factor; BANF1), which interacts with DNA and tethers chromatin to the nuclear envelope. LAP2 isoforms also share an N-terminal LEM-like domain, which binds DNA. The structure and function of other globular domains that distinguish LEM-domain proteins from each other have been characterized, including the C-terminal dimerization domain of LAP2α and C-terminal WH and UHM domains of MAN1. LEM-domain proteins also have large intrinsically disordered regions that are involved in intra- and intermolecular interactions and are highly regulated by posttranslational modifications in vivo. © 2016 Elsevier Inc. All rights reserved.
Find related publications in this database (using NLM MeSH Indexing): Chromatography, Liquid -; DNA-Binding Proteins - chemistry; DNA-Binding Proteins - isolation & purification; Escherichia coli -; Humans -; Membrane Proteins - chemistry; Membrane Proteins - isolation & purification; Nuclear Magnetic Resonance, Biomolecular -; Nuclear Proteins - chemistry; Nuclear Proteins - isolation & purification; Protein Binding -; Protein Interaction Domains and Motifs -; Protein Structure, Secondary -