Chen: Different Classes of Proteins

Pectinase, an enzyme protein, is found in oranges.

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Hemoglobin, a transport protein, is found in meat.
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Actin and myosin in muscles, a contractile protein, is found in the Gastrocnemius muscle.

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Ovalbumin, a storage protein, is found in egg white.
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Keratin, a structural protein, is found in hair.
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