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Transcript
Brno University of Technology
• Martin Babka
• Materials science and
technology
PROTEINS
• Are polymers of monomers, amino acids
• Biochemists call the link beetwen the amino
group of an amino acid and carbonyl group of
another one a
PEPTIDE BOND
H2N
O
R2
H
C
CH
N
COOH
CH
N
C
CH
R1
H
O
R3
AMINO
terminus
PEPTIDE
bonds
CARBOXY
terminus
• If a peptide bond is formed, water is released
• In a reverse reaction, the peptide bond can
hence be cleaved by water (hydrolysis)
O
R1
CH
O
+
C
R2
CH
OH
OH
NH2
NH2
O
R1
CH
NH2
C
C
R2
NH
CH
O
C
+
OH
H2O
• Proteins are vital
to any living organism
They are important
constituens of tissues and
cells of our body
• They form an important component of muscle
and other tissues and vital body fluids like
blood
• Proteins in the form
of enzymes and
hormones are
concerned with a
wide range of vital
metabolic processes
in the body
• They supply bodybuilding material
• As antibodies, they help in defending the body
against infection
• Thus they are vital to living process and carry
out a wide range of funcions essential for
sustenance of life
Resourses of PROTEINS:
lean meat
dairy products
food supplements…