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Protein structure and types (enzyme (inhibition (competitive (block the…
Protein structure and types
types
enzymes
receptors
structural
others
enzyme
active site
substrate (be broke down)
lock-and-key model
induced fit theory
effect of temperature,PH&substrate concentration
denaturation
structural change
loss of its biological properties
globular proteins
catalyse reaction
biological catalysts
specificity
catabolism
broken down into smaller products
eg. amylase & lipase
anabolism
small molecules are built in larger products
eg. photosynthesis & Pr synthesis
inhibition
competitive
block the active site
non competitive
change the shape of the active site
significance of proteins
structure
secondary structure
α -helix
β-helix
fold; hydrogen bonds
tertiary structure
3D
hydrophobic interation
hydrogen bonds between polar side chains
ionic bonds between positively&negatively charged side chains
disulfide bridges (S-S)
primary structure
quarternary structure
more than one polypeptide chain