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Are you looking for some short and reliable notes during your CSIR-NET preparations? Then, you have come to a perfect place!
Candidates who are preparing for their CSIR NET exam might in need to get some short study notes and strategies to apply while preparing for the key exam of their life. At this point of time, We at BYJU'S Exam Prep come up with short notes on the Stabilizing Interactions which comes under the Biochemistry section of the Life Science syllabus.
This set of short notes for Biochemistry has been meticulously designed by our experienced subject-matter experts to give you the most standard set of study materials to be focused upon. In this cut-throat competitive world, students need to prepare themselves with the best study materials to help them in the learning process and for their future. Here we are offering the best study notes that are reliable and can be used by the students during their preparations for the upcoming CSIR-NET 2021 exam.
Stabilizing Interactions
1. Electrostatic Interaction:
The force between oppositely charged ionic groups on the two protein side chains is known as electrostatic forces. The force of attraction (F) is inversely proportional to the square of the distance (d) between the charges. For e.g., ionized amino groups (NH3+) on lysine of one protein and as ionized carboxyl group (—COO–) of glutamate on the other. The closer the charges, would increase attractive the forces.
2. Hydrogen Bonding:
Another bonding type is hydrogen bond which is the reversible bond between hydrophilic groups e.g., NH2, OH, and COOH depend on the proximity of two molecules having these groups. It is a weak bond that involves the release of water between the reacting side chains.
3. Vander-Waals Forces:
Vander-Waals force is greatly influenced by the presence of an external electron cloud. Ideal gases like hydrogen and nitrogen exhibit this bond between them. The force of attraction (F) is inversely related to the seventh power of distance (d) between two molecules.
4. Hydrophobic Interaction:
Hydrophobic, non-polar groups; like leucine, valine and phenyl-alanine side chain have a tendency to associate in an aqueous environment. When water comes in contact with the hydrophobic molecules, then the hydrophobic bond generates. Increased area of contact between water and hydrophobic molecules decreases entropy and higher the energy state.
Comparison between the Forces:
Short Notes on Stabilizing Interactions - Download PDF Here
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