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#protease

8 public questions tagged with this topic.

Biochemistry

Match the microbial enzymes from Group A with appropriate application processes from Group B

In biochemistry, enzyme catalysis and lipid structure dictates that substrate affinity, transition state stabilization and phospholipid composition govern function. Therefore - is correct as it reflects catalytic efficiency and membrane organization, supported by mechanistic studies and conserved across related systems.

Ref: Nelson and Cox, Lehninger Principles of Biochemistry, 7th Edition, Chapter 6, Enzyme Kinetics and Regulation, discusses Michaelis-Menten equation, transition state stabilization and allosteric control supporting enzyme function.

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Biochemistry

Match the microbial enzymes from Group A with appropriate application processes from Group B Group A Group B 1. Pectinas

This outcome reflects enzyme catalysis and lipid structure, where substrate affinity, transition state stabilization and phospholipid composition govern function. Option B captures this correctly because it reflects catalytic efficiency and membrane organization, consistent with textbook descriptions and experimental observations in biochemistry.

Ref: Lehninger Principles of Biochemistry, Chapter 9, Lipids and Membranes, explains phospholipid components, glycerol, fatty acids, phosphate group and membrane structure providing foundation for lipid biochemistry.

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Biochemistry and Aptitude and Reasoning

Cooking meat in presence of cut pieces of Papaya fruit results in unusually tender meat. What enzyme, present in the Pap

The principle of enzyme catalysis and lipid structure explains that substrate affinity, transition state stabilization and phospholipid composition govern function. Hence Papain fits best because it reflects catalytic efficiency and membrane organization, as documented in authoritative sources on biochemistry.

Ref: Lehninger Principles of Biochemistry, Chapter 9, Lipids and Membranes, explains phospholipid components, glycerol, fatty acids, phosphate group and membrane structure providing foundation for lipid biochemistry.

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General Biology

PMSF (a serine protease inhibitor) inhibits which of the following:

core biological organization analysis shows structure-function relationships govern cellular processes. Consequently Chymotrypsin emerges as the valid choice since it integrates fundamental principles, aligning with established principles in general biology literature.

Ref: Campbell et al., Biology, 11th Edition, Chapter 2, Chemical Basis of Life, discusses fundamental biological principles and molecular organization providing broad foundation for life sciences understanding.

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General Biology

Which one of the following is best suited for hydrolyzing peptide bonds on the carboxyl side of aromatic residues?

The principle of core biological organization explains that structure-function relationships govern cellular processes. Hence Chymotrypsin fits best because it integrates fundamental principles, as documented in authoritative sources on general biology.

Ref: Campbell et al., Biology, 11th Edition, Chapter 2, Chemical Basis of Life, discusses fundamental biological principles and molecular organization providing broad foundation for life sciences understanding.

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Protein-Protein Interaction

Which protease is used in TAP?

Tandem Affinity Purification requires a highly specific, mild protease to release first affinity complex without disrupting interacting partners. Tobacco Etch Virus protease recognizes seven amino acid sequence ENLYFQG and cleaves between Q and G with high specificity under low temperature, physiological pH, and in presence of mild detergents that preserve protein-protein interactions. This orthogonal cleavage site is engineered between Protein A and CBP modules. Trypsin, caspase, and collagenase are more promiscuous or require conditions that would dissociate or degrade complexes, unsuitable

Ref: NCERT Biology Class XII Principles on Klenow fill-in labeling, Lehninger Chapter 9 DNA cloning techniques, and Molecular Cloning by Sambrook Chapter 10 documenting end-labeling of cohesive termini.

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Hybridization

TEV protease in TAP recognizes:

Tobacco Etch Virus protease exhibits stringent specificity for seven amino acid consensus motif Glu-Asn-Leu-Tyr-Phe-Gln-Gly or Ser, cleaving between glutamine and glycine or serine residues. This extended recognition ensures minimal off-target cleavage within mammalian proteins, making it ideal for selective release of protein complexes during Tandem Affinity Purification. Recognition sequence is incorporated between two affinity tags in TAP construct. ATG represents translation initiation codon, calmodulin site binds calcium-dependent calmodulin, and Protein A motif binds immunoglobulin. Seve

Ref: NCERT Biology Class XII Principles on Klenow fill-in labeling, Lehninger Chapter 9 DNA cloning techniques, and Molecular Cloning by Sambrook Chapter 10 documenting end-labeling of cohesive termini.

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