One way antibodies counteract antigens is by immobilizing them so they can be destroyed by white blood cells.Contractile proteins are responsible for muscle contraction and movement.
While proteins have many diverse functions, all are typically constructed from one set of 20 amino acids.
The structure of a protein may be globular or fibrous, and the design helps each protein with their particular function.
Most amino acids follow a particular structural property in which a carbon (the alpha carbon) is bonded to four different groups: Of the 20 amino acids that typically make up proteins, the "variable" group determines the differences among the amino acids.
All amino acids have the hydrogen atom, carboxyl group, and amino group bonds.
Globular proteins are generally compact, soluble, and spherical in shape.