Tertiary structure Folding of alpha-helixes
myoglobin
Quaternary structure None(monomer)
Myoglobin
Quaternary structure tetramer of two identical alpha-beta dimers
Hemoglobin
Function o2 delivery
Hemoglobin
Function O2 storage
Myoglobin
1 subunit
Myoglobin
4 subunits
Hemoglobin
4 heme groups
hemoglobin
1 heme group
Myoglobin
Any physical or chemical agent that destroys these stabilizing structures changes the conformation of the protein
Denaturation of proteins
Heat affected region
H bonds
6 M urea
H bonds
Detergents
Hydrophobic regions
acids, bases
salt bridges; H bonds
Salts
Salt bridges
Reducing agents
Disulfide bonds
Heavy metals
Disulfide bonds
Alcohol
Hydration layers
A very important tripeptide present in high concentrations in all tissues
GLUTATHIONE
Glutathione contains
glutamic acid, cysteine, and glycine