1. PROTEINS LEVELS OF PROTEIN STRUCTURE 1. 2. 1. Central Carbon Atom 3.
Make up just
about
everything!
Made up of
subunits called
First one in all
eukaryotic
proteins is
PROTEINS
Most notable
type, end in
the suffix -ASE
Held together via
Peptide Bonds
Formed via
Encoded by the
AUG start codon
LEVELS OF PROTEIN STRUCTURE 1.
Loss of water  covalent bond
where their
name comes
from!
Sequence of
Amino Acids
Ex. Met-Ser-His
Lower the
Energy of
Activation
Speed up
the rate
of a reaction 2. 1. 3.
Central Carbon Atom 4.
Variable R-Group 2.
PROTEIN STRUCTURE
CAN BE
BY BREAKING
WEAK CHEMICAL
INTERACTIONS
BY ALTERING:
flexible
HYDROPHOBIC
tough/durable
Made up of mostly Aromatic
rings & Hydrocarbon chains
Ex. Ala, Phe, Gly
One protein adopting
mutliple 3-D shapes
HYDROPHILIC
Made up of mostly Hydrocarbons
AND Oxygen, Nitrogen, Sulfhydryl
Ex. Ser, Gln, Thr 3.
Multiple proteins
forming macrocomplex
IONIC INT. 4.
NEGATIVELY CHARGED
Contains Carboxylic Acid
-COOH  -COO-
Ex. Asp & Glu
Contains Amine
–NH2  -NH3+
Ex. Arg, His, Lys
POSITIVELY CHARGED

2. PROTEINS Amino Acids Dehydration Reactions ENZYMES
Make up just
about
everything!
Made up of
subunits called
First one in all
eukaryotic
proteins is
PROTEINS
Amino
Acids
Methionine
Most notable
type, end in
the suffix -ASE
Held together via
Peptide Bonds
Formed via
Encoded by the
AUG start codon
Dehydration
Reactions
ENZYMES
Amine
Group
LEVELS OF PROTEIN STRUCTURE 1.
Loss of water  covalent bond
where their
name comes
from!
Sequence of
Amino Acids
Ex. Met-Ser-His P
Primary
Lower the
Energy of
Activation
Speed up
the rate
of a reaction
Carboxylic
Acid Group 2. 1. 3.
Central Carbon Atom
Alpha-helix
Secondary 4.
Variable R-Group 2.
PROTEIN STRUCTURE
CAN BE
BY BREAKING
WEAK CHEMICAL
INTERACTIONS
BY ALTERING:
flexible
NON-POLAR
Beta-sheet
DENATURED
HYDROPHOBIC
Made up of mostly Aromatic
rings & Hydrocarbon chains
Ex. Ala, Phe, Gly
POLAR
tough/durable
HYDROPHILIC
Made up of mostly Hydrocarbons
AND Oxygen, Nitrogen, Sulfhydryl
Ex. Ser, Gln, Thr
One protein adopting
mutliple 3-D shapes
Tertiary 3.
ACIDIC
Temperature pH
Pressure
Salt Concentration
Multiple proteins
forming
macrocomplex
IONIC INT.
NEGATIVELY CHARGED
Quartenary 4.
Contains Carboxylic Acid
-COOH  -COO-
Ex. Asp & Glu
BASIC
Contains Amine
–NH2  -NH3+
Ex. Arg, His, Lys
POSITIVELY CHARGED