By convention, the primary structure of a protein is read and written from the amino-terminal (N) to the carboxyl-terminal (C) end. The primary structure of a peptide or protein is the linear sequence of its amino acids (AAs). Richardson (1992) Protein Science 1: 3-9. Reference: "THE KINEMAGE: A TOOL FOR SCIENTIFIC COMMUNICATION" D.C. Kinemages were originally implemented under the auspices of the Innovative Technology Fund and the Protein Society, and the programming and maintenance are done by David C. These "kinemages" (kinetic images) can be rotated, moved, and zoomed, and parts can be hidden or shown. This module includes links to KiNG (Kinemage, Next Generation), which displays three-dimensional structures in an animated, interactive format. As you traverse though this module please note these aspects. We also view structures in lots of ways - Cα backbone, ball-and-stick, CPK, ribbon, spacefilling - as well color is used to highlight different aspects of the amino acids, structure, etc.
#O sequential interdependence series
In this series of pages we examine the different levels of protein organization. A 2014 Foundations of Medicine eLAB Levels of Protein OrganizationĪ protein's primary structure is defined as the amino acid sequence of its polypeptide chain secondary structure is the local spatial arrangement of a polypeptide's backbone (main chain) atoms tertiary structure refers to the three-dimensional structure of an entire polypeptide chain and quaternary structure is the three-dimensional arrangement of the subunits in a multisubunit protein.
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