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Related Concept Videos

Structural Protein Function01:56

Structural Protein Function

Structural proteins are a category of proteins responsible for functions ranging from cell shape and movement to providing support to major structures such as bones, cartilage, hair, and muscles. This group includes proteins such as collagen, actin, myosin, and keratin.
Collagen, the most abundant protein in mammals, is found throughout the body. In connective tissue, such as skin, ligaments, and tendons, it provides tensile strength and elasticity.  In bones and teeth, it mineralizes to form...
Structural Protein Function01:56

Structural Protein Function

Structural proteins are a category of proteins responsible for functions ranging from cell shape and movement to providing support to major structures such as bones, cartilage, hair, and muscles. This group includes proteins such as collagen, actin, myosin, and keratin.
Collagen, the most abundant protein in mammals, is found throughout the body. In connective tissue, such as skin, ligaments, and tendons, it provides tensile strength and elasticity.  In bones and teeth, it mineralizes to form...
Globular and Fibrous Proteins02:21

Globular and Fibrous Proteins

Many proteins can be classified into two distinct subtypes - globular or fibrous. These two types differ in their shapes and solubilities.
Globular proteins are also known as spheroproteins and typically are approximately round in shape. They contain a mix of amino acid types and contain differing sequences in their primary structures. Globular proteins have many different functions, such as enzymes, cellular messengers, and molecular transporters. These roles often require the proteins to be...
Protein and Protein Structures02:15

Protein and Protein Structures

Proteins are one of the most abundant organic molecules in living systems and have the most diverse range of functions of all macromolecules. Proteins may be structural, regulatory, contractile, or protective. They may serve in transport, storage, or membranes; or they may be toxins or enzymes. Their structures, like their functions, vary greatly. They are all, however, amino acid polymers arranged in a linear sequence.
A protein's shape is critical to its function. For example, an enzyme can...

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Related Experiment Video

Updated: Jun 20, 2026

Investigating Protein Sequence-structure-dynamics Relationships with Bio3D-web
09:51

Investigating Protein Sequence-structure-dynamics Relationships with Bio3D-web

Published on: July 16, 2017

p3d--Python module for structural bioinformatics.

Christian Fufezan1, Michael Specht

  • 1Westfälische Wilhelms-Universität Münster, Institute for Evolution and Biodiversity, Münster, Germany. christian@fufezan.net

BMC Bioinformatics
|August 25, 2009
PubMed
Summary
This summary is machine-generated.

The p3d Python module offers a fast and user-friendly interface for analyzing 3D protein structures. It simplifies the development of bioinformatics tools for structural data mining.

Related Experiment Videos

Last Updated: Jun 20, 2026

Investigating Protein Sequence-structure-dynamics Relationships with Bio3D-web
09:51

Investigating Protein Sequence-structure-dynamics Relationships with Bio3D-web

Published on: July 16, 2017

Area of Science:

  • Structural Bioinformatics
  • Computational Biology
  • Biophysics

Background:

  • High-throughput analysis of large structural datasets requires efficient bioinformatic tools.
  • Knowledge-based approaches necessitate robust and accessible interfaces for structural data.
  • Python's emphasis on readable code makes it ideal for developing such bioinformatic tools.

Purpose of the Study:

  • To introduce p3d, an object-oriented Python module for processing and analyzing 3D protein structure files (PDB files).
  • To provide a simple yet powerful interface for accessing and manipulating structural data.
  • To facilitate the rapid development of bioinformatic tools for structural analysis.

Main Methods:

  • Implementation of a binary space partitioning (BSP) tree for fast spatial data access.
  • Integration of set theory operations for data manipulation.
  • Development of functions combining BSP trees and set theory with human-readable query language.

Main Results:

  • p3d enables rapid and complex analyses of protein structures.
  • The module offers very fast spatial access to structural data.
  • Human-readable queries simplify the analysis process, reducing the need for complex programming.

Conclusions:

  • p3d is an optimal tool for developing structural bioinformatics applications.
  • The module streamlines the creation of tools for mining and analyzing protein structural data.
  • p3d leverages Python for efficient and accessible structural bioinformatics.