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Related Concept Videos

Protein Complex Assembly02:41

Protein Complex Assembly

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Proteins can form homomeric complexes with another unit of the same protein or heteromeric complexes with different types.  Most protein complexes self-assemble spontaneously via ordered pathways, while some proteins need assembly factors that guide their proper assembly. Despite the crowded intracellular environment, proteins usually interact with their correct partners and form functional complexes.
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Vesicles incorporate different coat protein subunits in different cell locations, which changes the properties of the coat, such as the shape and geometry of the transport vesicles. Thus, vesicle coat proteins also play a significant role in cargo selection.
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Cytoskeletal filaments are polymeric forms of smaller protein subunits. However, individual cytoskeletal filaments may easily disassemble or associate with other similar filaments to form rigid structures. Microfilaments, made of actin monomers, rely on actin-binding proteins to form bundles and create networks of individual actin filaments. Microtubules rely on microtubule-associated proteins (MAPs) to form sturdy cylindrical structures. However, the proteins involved in forming complex...
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Mechanism of Filopodia Formation01:39

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Filopodia are thin, actin-rich cellular protrusions that play an important role in many fundamental cellular functions. They vary in their occurrence, length, and positioning in different cell types, suggesting their diverse roles.
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Lipopolysaccharides (LPS) are crucial components of the outer membrane of Gram-negative bacteria, serving both structural and functional roles. It contributes to membrane stability and protects bacteria from host immune responses. LPS is composed of three major regions—lipid A, a core oligosaccharide, and an O antigen. The biosynthesis and assembly of LPS involve a highly coordinated set of enzymatic reactions and transport mechanisms. Additionally, LPS is recognized as an endotoxin,...
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Multiprotein signaling complexes are formed in a dynamic process involving protein-protein interactions at the cytoplasmic domain of transmembrane receptors or enzymatic and non-enzymatic proteins associated with the receptor. These complexes ensure the activation and propagation of intracellular signals that regulate cell functions.
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Detecting and Characterizing Protein Self-Assembly In Vivo by Flow Cytometry
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Detecting and Characterizing Protein Self-Assembly In Vivo by Flow Cytometry

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Recent developments in anion induced capsular self-assemblies.

Ranjan Dutta1, Pradyut Ghosh

  • 1Department of Inorganic Chemistry, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Kolkata 700032, India. icpg@iacs.res.in.

Chemical Communications (Cambridge, England)
|June 18, 2014
PubMed
Summary
This summary is machine-generated.

Recent advances in anion-induced molecular capsules are reviewed, focusing on 2011-2013. These self-assemblies show promise for anion separation, CO2 fixation, and transport in aqueous environments.

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Area of Science:

  • Supramolecular Chemistry
  • Materials Science

Background:

  • Anion recognition and binding are crucial in biological and environmental systems.
  • Molecular capsules offer unique platforms for selective guest encapsulation.

Purpose of the Study:

  • To summarize recent developments in anion-induced capsular self-assemblies.
  • To highlight the functional applications of these molecular systems.

Main Methods:

  • Review of literature from 2011-2013 on anion-induced self-assemblies.
  • Analysis of studies focusing on aqueous media and relevant anions.

Main Results:

  • Anion-induced molecular capsules demonstrate effective binding of environmentally and biologically relevant anions.
  • These systems show potential for anion separation, CO2 fixation, and anion transport.

Conclusions:

  • Anion-induced molecular capsules are a rapidly developing field with significant potential.
  • Emerging applications include sensing, separation, and catalysis.