Related Experiment Video
Updated: Jan 28, 2026

12:05
Production of Disulfide-stabilized Transmembrane Peptide Complexes for Structural Studies
Published on: March 6, 2013
14.6K
Structural studies of plasmin inhibition
Guojie Wu1,2, Adam J Quek1,2, Tom T Caradoc-Davies1,2,3
1ARC Centre of Excellence in Advanced Molecular Imaging, Monash University, Melbourne 3800, Australia.
Biochemical Society Transactions
|March 7, 2019
Summary
Plasminogen (Plg) and plasmin (Plm) are key in healing and disease. This review focuses on plasmin inhibitors, examining structural studies and their therapeutic potential for various conditions.
Area of Science:
- Biochemistry
- Molecular Biology
- Pharmacology
Background:
- Plasminogen (Plg) is a serine protease zymogen crucial for fibrinolysis, wound healing, immunity, tissue remodeling, and inflammation.
- Plg activation to plasmin (Plm) occurs via plasminogen activators (PAs) at target sites, involving lysine-binding interactions.
- Cellular uptake of fibrin degradation products influences apoptosis, linking fibrinolysis and tissue remodeling.
Purpose of the Study:
- To review the rationale for developing new plasmin inhibitors.
- To focus on structural studies of active site plasmin inhibitors.
- To compare inhibitor binding modes and their relation to efficacy.
Main Methods:
- Review of existing literature on plasminogen and plasmin.
- Analysis of structural studies of plasmin inhibitor active sites.
- Comparison of binding modes of different inhibitor classes.
Main Results:
- Plasmin inhibitors are therapeutically vital for diseases like angioedema and menorrhagia, and in surgery.
- Structural insights into inhibitor binding are crucial for understanding efficacy.
- Different inhibitor classes exhibit distinct binding modes.
Conclusions:
- Further development of plasmin inhibitors is warranted.
- Structural studies are key to designing effective plasmin inhibitors.
- Understanding inhibitor binding modes will guide future therapeutic strategies.
Related Concept Videos
Feedback Inhibition
57.1K
Biochemical reactions are occurring constantly in cells, converting starting substances to different products, usually with the help of enzymes that speed the reactions. Without enzymes, it would take far too long for most reactions to occur to be useful to the cell!
57.1K
Enzyme Inhibition
91.9K
Inhibitors are molecules that reduce enzyme activity by binding to the enzyme. In a normally functioning cell, enzymes are regulated by a variety of inhibitors. Drugs and other toxins can also inhibit enzymes. Some inhibitors bind to the enzyme’s active site, while others inhibit enzymatic activity by binding to other sites on the protein structure.
91.9K
Inhibition of Cdk Activity
6.0K
The orderly progression of the cell cycle depends on the activation of Cdk protein by binding to its cyclin partner. However, the cell cycle must be restricted when undergoing abnormal changes. Most cancers correlate to the deregulated cell cycle, and since Cdks are a central component of the cell cycle, Cdk inhibitors are extensively studied to develop anticancer agents. For instance, cyclin D associates with several Cdks, such as Cdk 4/6, to form an active complex. The cyclin D-Cdk4/6 complex...
6.0K
Structures of Solids
17.7K
Solids in which the atoms, ions, or molecules are arranged in a definite repeating pattern are known as crystalline solids. Metals and ionic compounds typically form ordered, crystalline solids. A crystalline solid has a precise melting temperature because each atom or molecule of the same type is held in place with the same forces or energy. Amorphous solids or non-crystalline solids (or, sometimes, glasses) which lack an ordered internal structure and are randomly arranged. Substances that...
17.7K
Structural Isomerism
21.7K
Isomerism in Complexes
Isomers are different chemical species that have the same chemical formula. Structural isomerism of coordination compounds can be divided into two subcategories, the linkage isomers and coordination-sphere isomers.
Linkage isomers occur when the coordination compound contains a ligand that can bind to the transition metal center through two different atoms. For example, the CN− ligand can bind through the carbon atom or through the nitrogen atom. Similarly, SCN− can...
Isomers are different chemical species that have the same chemical formula. Structural isomerism of coordination compounds can be divided into two subcategories, the linkage isomers and coordination-sphere isomers.
Linkage isomers occur when the coordination compound contains a ligand that can bind to the transition metal center through two different atoms. For example, the CN− ligand can bind through the carbon atom or through the nitrogen atom. Similarly, SCN− can...
21.7K
Structure of Lipids
98.6K
Lipids include a diverse group of compounds that are largely nonpolar in nature. This is because they are hydrocarbons that include mostly nonpolar carbon-carbon or carbon-hydrogen bonds. Non-polar molecules are hydrophobic (“water fearing”), or insoluble in water. Lipids perform many different functions in a cell. Cells store energy for long-term use in the form of fats. Lipids also provide insulation from the environment for plants and animals. For example, they help keep aquatic...
98.6K

