Proteins

What is Protein? Classification of protein On the Basis of Structure 1. Fibrous protein Fibrous proteins are a distinct category of proteins characterized by their elongated or fiber-like structure. These proteins are primarily found in animals and play specific roles in structural support. Therefore, understanding their nature, structure, and function is essential for a comprehensive … Read more

What are Proteins? Definition of Proteins Proteins are large, complex molecules composed of amino acid chains that perform a vast array of functions in living organisms, including catalyzing metabolic reactions, providing structural support, and facilitating cell signaling and transport. Properties of Proteins Synthesis of peptides Peptides are short chains composed of amino acids. These chains, … Read more

What are Protein Synthesis Inhibitors? Types of Protein synthesis inhibitors On the basis of target organisms inhibitor of protein synthesis is categories as follows- 1. Acting only on prokaryotes 2. Acting on prokaryotes and Eukaryotes 3. Acting only on Eukaryotes Mechanism of Protein synthesis inhibitors Protein synthesis, a core biological process, occurs at the ribosomal … Read more

Proteins, as complex biological molecules, play an essential role in the myriad of processes in living organisms. Consisting of amino acids, proteins can be envisioned as polypeptide structures formed through long chains of these amino acid residues. Therefore, it’s not surprising that they are one of the most abundant organic molecules present in living beings. … Read more

What are G Protein Coupled Receptors? Structure of G Protein Coupled Receptors Classification of G Protein Coupled Receptors The G protein-coupled receptor (GPCR) superfamily encompasses a vast array of receptors, with at least 831 human genes, approximately 4% of the protein-coding genome, predicted to code for GPCRs. Despite the lack of detectable shared sequence homology … Read more

What is Receptor? Definition of Receptor A receptor is a specialized protein molecule that selectively recognizes and binds to specific ligands, leading to cellular responses or signal transduction within the cell. Types of Receptors Receptors are specialized protein structures integral to cellular communication and response mechanisms. They are primarily categorized based on their cellular location … Read more

Ever wondered how the cells in your body get the nutrients they need to function? It’s not like they have a mini grocery store to pop into whenever they run low on sugars or amino acids, right? Welcome to the fascinating world of Active Transport.  “Active Transport – the unsung hero of cellular operations, ensuring that … Read more

What is Protein Purification? Protein Purification Methods Creating a Crude Protein Extract – Extraction Precipitation and Differential Solubilisation – Concentration of crude extract Ammonium sulfate precipitation Fractional precipitation with acetone Ultracentrifugation Sucrose gradient centrifugation Chromatographic Methods Different chromatographic methods 1. Size Exclusion Chromatography 2. Ion Exchange Chromatography 3. Affinity Chromatography 4. Metal Binding 5. Immunoaffinity … Read more

Mitochondrial transporter The mitochondria contain different types of transporter proteins within the intermembrane. These transporters transfers ADP, Pi, and H atom(Substrate) from Inter membrane space to matrix and ATP (Product) from matrix to inner membrane space. There are presently three transporter protein in the inner mitochondrial membrane such as; Adenine Nucleotide Translocase It is an … Read more