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Videos de Conceptos Relacionados

Protein Organization01:13

Protein Organization

Overview
Protein Folding01:22

Protein Folding

Overview
Protein Organization01:13

Protein Organization

Overview
Protein Organization01:24

Protein Organization

Proteins are polymers of amino acid residues. They are versatile and responsible for different cellular functions, including DNA replication, molecular transport, catalysis, and structural support. Proteins have a hierarchical structure comprising at least three levels of organization: primary, secondary, and tertiary structure. Some large proteins have a quaternary structure where individual protein subunits are linked together.
The primary structure of a protein is its amino acid sequence.
Multi-pass Transmembrane Proteins and β-barrels01:09

Multi-pass Transmembrane Proteins and β-barrels

In multi-pass transmembrane proteins, the polypeptide chain crosses the membrane more than once. The transmembrane polypeptide chain either forms an α-helix or β-strand structure. α-Helix containing multi-pass transmembrane proteins are ubiquitous, whereas β-strand containing ones are mainly found in gram-negative bacteria, mitochondria, and chloroplasts.
α-Helix containing multi-pass transmembrane proteins
Multi-pass transmembrane proteins such as G-protein-linked receptors (GPCRs) and...
Protein Organization01:24

Protein Organization

Proteins are polymers of amino acid residues. They are versatile and responsible for different cellular functions, including DNA replication, molecular transport, catalysis, and structural support. Proteins have a hierarchical structure comprising at least three levels of organization: primary, secondary, and tertiary structure. Some large proteins have a quaternary structure where individual protein subunits are linked together.
The primary structure of a protein is its amino acid sequence.

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Analysis of the mouse transcriptome based on functional annotation of 60,770 full-length cDNAs.

Nature·2002
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Small-molecule metabolism: an enzyme mosaic.

Trends in biotechnology·2001
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Assignment of homology to genome sequences using a library of hidden Markov models that represent all proteins of known structure.

Journal of molecular biology·2001
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The evolution and structural anatomy of the small molecule metabolic pathways in Escherichia coli.

Journal of molecular biology·2001
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The sequence determinants of cadherin molecules.

Protein science : a publication of the Protein Society·2001
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Determination of protein function, evolution and interactions by structural genomics.

Current opinion in structural biology·2001

Video Experimental Relacionado

Updated: Jul 12, 2026

Self-assembly of Complex Two-dimensional Shapes from Single-stranded DNA Tiles
10:23

Self-assembly of Complex Two-dimensional Shapes from Single-stranded DNA Tiles

Published on: May 8, 2015

Estructura de las proteínas: el decimocuarto barril se extiende.

C Chothia

    Nature
    |June 16, 1988
    PubMed
    Resumen

    No abstract available in PubMed .

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