Proteins polymers of Art
i
level of structure
10 primary
2 secondary
, 1o covalentbonds all proteins haveto
N terminus Cterminus
polypeptide backbone
S S
a
dovalent bonds S S
disulfide bond
2o Secondary structure hydrogen bonds
amongst continuous a a
regular repeatingpattern sheet
reside
x helix backbone B pleated
at least 2 polypepti
Chains
reverse turn Bbends
3o Tertiary structure all proteins have
nt
3 D Shape globularproteins doers
hydrophobic effect a Lot
polypeptidechain
9holdsstructure 1 S S
3 other weak bonds
4o Quaternary structure
two identicalsubunits aimer
can be 3 trimer
different 4 tetramer
notidentical rare
weakbondsholdthe hydrophobic
subunittogether 3weakbonds t s s
effect
i
level of structure
10 primary
2 secondary
, 1o covalentbonds all proteins haveto
N terminus Cterminus
polypeptide backbone
S S
a
dovalent bonds S S
disulfide bond
2o Secondary structure hydrogen bonds
amongst continuous a a
regular repeatingpattern sheet
reside
x helix backbone B pleated
at least 2 polypepti
Chains
reverse turn Bbends
3o Tertiary structure all proteins have
nt
3 D Shape globularproteins doers
hydrophobic effect a Lot
polypeptidechain
9holdsstructure 1 S S
3 other weak bonds
4o Quaternary structure
two identicalsubunits aimer
can be 3 trimer
different 4 tetramer
notidentical rare
weakbondsholdthe hydrophobic
subunittogether 3weakbonds t s s
effect
