Globular

Globular refers to a term used in various scientific fields to describe something that is approximately spherical in shape. In the context of biology and medicine, it often refers to proteins or clusters of cells that form a spherical shape.

Overview

A globular protein is a type of protein that is compact, generally rounded, and soluble in water. These proteins play a variety of roles in biological processes, including as enzymes, transport proteins, and antibodies.

Globular cluster is a term used in astronomy to describe a spherical collection of stars that orbits a galactic core.

Globular Proteins

Globular proteins or spheroproteins are one of the two main protein classes, alongside fibrous proteins. They are typically water-soluble, unlike the fibrous or membrane proteins. They are instrumental in virtually all biological processes and include enzymes, transport proteins, and antibodies.

Structure

The structure of globular proteins is incredibly complex. They are made up of a polypeptide chain which folds onto itself, creating a compact, rounded shape. This structure is held together by various types of bonds and interactions, including hydrogen bonds, ionic bonds, disulfide bonds, and hydrophobic interactions.

Function

Globular proteins have a wide range of functions in the body. They can act as enzymes, speeding up chemical reactions. They can also serve as transport proteins, carrying molecules from one place to another within the body. Some globular proteins are antibodies, which are part of the immune system and help to fight off infections.

See Also

• Protein structure
• Enzyme
• Antibody
• Transport protein
• Globular cluster

References

Globular Resources
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