classification of protein
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Protein Classification
Proteins are the macromolecules responsible for the biological processes in the cell. They consist at their most basic level of a chain of amino acids, determined by the sequence of nucleotides in a gene. Depending on the amino acid sequence (different amino acids have different biochemical properties) and interactions with their environment, proteins fold into a three-dimensional structure, which allows them to interact with other proteins and molecules and perform their function
Figure 1 Proteins consist of one or more polypeptides. A polypeptide is a chain of amino acids. The polypeptide chains fold into their final three-dimensional structure to constitute a functional protein. The amino acid sequence and structure in this example correspond to ribosomal protein L2.
Proteins that have diverged from a common ancestral gene are known as homologous. Proteins with similar sequences are assumed to be homologous and usually (within certain limits) have similar structures and functions.
Proteins are the macromolecules responsible for the biological processes in the cell. They consist at their most basic level of a chain of amino acids, determined by the sequence of nucleotides in a gene. Depending on the amino acid sequence (different amino acids have different biochemical properties) and interactions with their environment, proteins fold into a three-dimensional structure, which allows them to interact with other proteins and molecules and perform their function
Figure 1 Proteins consist of one or more polypeptides. A polypeptide is a chain of amino acids. The polypeptide chains fold into their final three-dimensional structure to constitute a functional protein. The amino acid sequence and structure in this example correspond to ribosomal protein L2.
Proteins that have diverged from a common ancestral gene are known as homologous. Proteins with similar sequences are assumed to be homologous and usually (within certain limits) have similar structures and functions.
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