Protein Structure Is Related To The Function Flashcards
1
Q
An ion or molecule that binds to another (usually larger) molecule.
A
Ligand
2
Q
Its essential for ligands to perform
A
Reversible binding
3
Q
Ex. of ligands
A
Oxygen binds to hemoglobin
4
Q
Specificity of ligands and _________________.
A
Binding sites
5
Q
Ligand binding is often coupled to _____________________, sometimes quite dramatic.
A
Conformational changes
Induced fit
6
Q
Example: Induced fit
A
Substrate(ligand) binds to an enzyme and changes its shape to enhance activity
7
Q
In ______________________, conformational changes in one subunit can affect others.
A
Multisubunit protein
Cooperativity
8
Q
Key topics in protein function
A
Oxygen-binding proteins(hemoglobin, myoglobin)
