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Protein Folding & Impact Of Mutations

Published on Nov 24, 2015

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PRESENTATION OUTLINE

PROTEIN FOLDING

THE PROCESS BY WHICH A PROTEIN STRUCTURE ASSUMES ITS FUNCTIONAL SHAPE OR CONFORMATION.
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WHEN AMINO ACIDS ARE ASSEMBLED IN A LINE TO MAKE A PROTEIN, THEY DO NOT STAY IN AN EVEN, STRAIGHT LINE.

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PRIMARY LEVEL

THE ORDER OF AMINO ACIDS IS DETERMINED BY MRNA AND DNA
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SECONDARY LEVEL

The shape created by these amino acids

TERTIARY LEVEL

The overall shape created by the entire string of amino acids

QUATERNARY LEVEL

THE FINAL LEVEL, IS THE MIXTURE OF PROTEINS (SUBUNITS) TO CREATE A FUNCTIONAL PROTEIN

ANY CHANGE TO THE DNA IS CALLED A MUTATION

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MUTATIONS ARE RESPONSIBLE FOR GENETIC DISEASES SUCH AS CANCER AND INHERITABLE DISORDERS.

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A mutation may cause a dramatic change to the codons (groups of 3 bases)

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TWO SHAPES OF PROTEINS

ALPHA HELIX AND A BETA SHEET