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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

Structure of the conserved GTPase domain of the signal recognition particle

Article Abstract:

The structure of the nucleotide-free form of the NG fragment of the protein subunit of the signal-recognition particle is described. A compact network of interactions which may stabilize the nucleotide-free protein is formed by the side chains of the empty active-site pocket. Structurally similar N and G domains are present in the SR-alpha subunit. It appears that the N domain senses or controls the nucleotide occupancy of the GTPase domain.

Author: Walter, Peter, Stroud, Robert M., Keenan, Robert J., Freymann, Douglas M.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 1997
Proteins, Signal peptides, G proteins, Protein structure

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Substrate twinning activates the signal recognition particle and its receptor

Article Abstract:

As nascent proteins emerge from the ribosome, signal sequences are recognized by the signal recognition particle, which associates with its receptor. Signal recognition particle binds to signal sequences of membrane and secretory proteins, as they emerge from the ribosome during translation.

Author: Walter, Peter, Egea, Pascal F., Shu-ou Shan, Napetschnig, Johanna, Savage, David F., Stroud, Robert M.
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2004
Ribosomal proteins, Guanosine triphosphatase, GTPases

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Eisosomes mark static sites of endocytosis

Article Abstract:

Large immobile protein assemblies called eisosomes that mark endocytic sites at the plasma membrane are described. These structures colocalize with sites of protein and lipid endocytosis and their components genetically interact with known endocytic effectors.

Author: Walter, Peter, Walther, Toblas C., Brickner, Jason H., Aguilar, Pablo S., Bernales, Sebastian, Pantoja, Carlos
Publisher: Macmillan Publishing Ltd.
Publication Name: Nature
Subject: Zoology and wildlife conservation
ISSN: 0028-0836
Year: 2006
Physiological aspects, Cell membranes, Yeast fungi, Yeasts (Fungi), Endocytosis

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Subjects list: Research, United States
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