A diffusion-limited enzyme catalyses a reaction so efficiently that the rate limiting step is that of substrate diffusion into the active site, or product...
12 KB (1,294 words) - 19:05, 8 January 2022
Turnover number (category Enzyme kinetics)
implies that this enzyme reacts with acetylcholine at close to the diffusion-limited rate. Carbonic anhydrase is one of the fastest enzymes, and its rate...
5 KB (555 words) - 01:44, 19 November 2023
Diffusion-controlled (or diffusion-limited) reactions are reactions in which the reaction rate is equal to the rate of transport of the reactants through...
7 KB (1,364 words) - 08:48, 3 August 2024
and the rate of product formation is not limited by the reaction rate but by the diffusion rate. Enzymes with this property are called catalytically...
96 KB (9,819 words) - 12:03, 26 July 2024
schemes and can be used for routine tests in enzyme kinetics. Protein dynamics Diffusion limited enzyme Langmuir adsorption model α. ^ Link: Interactive...
71 KB (9,339 words) - 15:40, 10 July 2024
photolysis Temperature jump method Hypercycle Quasispecies model Diffusion-limited enzyme Eigen cation Eigen-Wilkins mechanism Eigen paradox Awards Otto...
23 KB (1,919 words) - 06:39, 21 May 2024
Michaelis–Menten kinetics (category Enzyme kinetics)
K_{\mathrm {m} }} . Diffusion limited enzymes, such as fumarase, work at the theoretical upper limit of 108 – 1010 M−1s−1, limited by diffusion of substrate...
47 KB (6,206 words) - 08:55, 29 July 2024
Specificity constant (category Enzyme kinetics)
every encounter between enzyme and substrate leads to product and hence the reaction velocity is only limited by the rate the enzyme encounters substrate...
3 KB (419 words) - 09:10, 19 August 2023
known as Na+/K+-ATPase, Na+/K+ pump, or sodium–potassium ATPase) is an enzyme (an electrogenic transmembrane ATPase) found in the membrane of all animal...
38 KB (4,367 words) - 16:52, 26 June 2024
Glycogenolysis (section Enzymes)
removed by the enzyme glucose-6-phosphatase, which is not present in myocytes, and the free glucose exits the cell via GLUT2 facilitated diffusion channels...
6 KB (673 words) - 21:57, 18 June 2024
Cell membrane (redirect from Lateral diffusion)
attach to the outer (peripheral) side of the cell membrane, acting as enzymes to facilitate interaction with the cell's environment. Glycolipids embedded...
59 KB (6,903 words) - 13:20, 9 August 2024
Triosephosphate isomerase (category Glycolysis enzymes)
to be catalytically perfect: It is limited only by the rate the substrate can diffuse into and out of the enzyme's active site. The mechanism involves...
11 KB (1,178 words) - 16:06, 26 August 2023
Glycolysis (section Regulated Enzymes in Glycolysis)
dinucleotide (NADH). Glycolysis is a sequence of ten reactions catalyzed by enzymes. The wide occurrence of glycolysis in other species indicates that it is...
82 KB (8,803 words) - 18:42, 6 August 2024
Metalloprotein (redirect from Metalrequiring enzyme)
dismutase (SOD) group of enzymes increase the rate of reaction to near the diffusion-limited rate. The key to the action of these enzymes is a metal ion with...
48 KB (5,337 words) - 07:40, 24 July 2024
Immunoassay (section Enzymes)
use in immunoassays is enzymes. Immunoassays which employ enzymes are referred to as enzyme immunoassays (EIAs), of which enzyme-linked immunosorbent assays...
22 KB (2,535 words) - 21:19, 25 July 2024
between the enzyme and its substrate, reported that the upper limit of diffusion-controlled reaction of enzyme or diffusion limited enzyme is one order...
11 KB (925 words) - 14:41, 22 January 2023
Carbonic anhydrase (category Zinc enzymes)
fastest enzymes, and its rate is typically limited by the diffusion rate of its substrates. Typical catalytic rates of the different forms of this enzyme ranging...
38 KB (4,350 words) - 11:09, 19 June 2024
or acetylhydrolase, is the primary cholinesterase in the body. It is an enzyme that catalyzes the breakdown of acetylcholine and some other choline esters...
35 KB (3,880 words) - 16:55, 22 July 2024
the ancestral and more common C3 carbon fixation. The main carboxylating enzyme in C3 photosynthesis is called RuBisCO, which catalyses two distinct reactions...
38 KB (4,488 words) - 23:16, 8 May 2024
neutralizes acid entering the duodenum from the stomach; and digestive enzymes, which break down carbohydrates, proteins and fats in food entering the...
50 KB (5,610 words) - 14:40, 4 August 2024
resort for such infections. They are resistant because they produce an enzyme called a carbapenemase that disables the drug molecule. The resistance can...
69 KB (8,478 words) - 11:32, 2 May 2024
Diffusion sequences can help further localize the area of ischemia and can serve as prognostic indicators. Presence of ischemic lesions on diffusion weighted...
45 KB (5,116 words) - 15:37, 6 August 2024
Beta-lactamase (category Enzymes of known structure)
disk-diffusion. Cefpodoxime, ceftazidime, aztreonam, cefotaxime, and/or ceftriaxone discs are used. Beta-lactamases are ancient bacterial enzymes. Metallo...
53 KB (6,263 words) - 14:38, 30 May 2024
Cyclooxygenase-2 inhibitor (category Articles with limited geographic scope from September 2015)
anti-inflammatory drug (NSAID) that directly target cyclooxygenase-2 (COX-2), an enzyme responsible for inflammation and pain. Targeting selectivity for COX-2 reduces...
42 KB (4,944 words) - 11:56, 4 April 2024
Denaturation (biochemistry) (redirect from Enzyme denaturation)
concentrations of salt, organic solvents, urea, or other chemical agents. Note 3: An enzyme loses its ability to alter or speed up a chemical reaction when it is denaturized...
30 KB (3,178 words) - 21:51, 1 August 2024
reaction by diffusion of enzymes and their reactants, and to regulate the rate of particular biochemical processes. By concentrating the enzymes of particular...
9 KB (1,172 words) - 10:06, 12 July 2024
Biomolecular engineering (redirect from Enzyme immobilization and conjugation)
rate of finding new high-value molecules including but not limited to antibodies, enzymes, vaccines, and therapeutic peptides will continue to accelerate...
47 KB (5,707 words) - 20:39, 24 August 2023
Staphylococcus aureus (section Enzymes)
aminoglycoside-modifying enzyme is aminoglycoside adenylyltransferase 4' IA (ANT(4')IA). This enzyme has been solved by X-ray crystallography. The enzyme is able to...
114 KB (12,721 words) - 02:56, 17 August 2024
Pseudomonas aeruginosa (section Enzymes)
β-lactamase enzyme, which breaks down penicillins and cephalosporins; IMP: encodes active-on-imipenem (IMP) carbapenemase (metallo-β-lactamase) enzyme which...
92 KB (10,021 words) - 13:15, 15 August 2024
"pore-mouth" poisoning, and the rate of catalytic reaction may become limited by the rate of diffusion through the inactive shell. Homogenous and "pore-mouth" poisoning...
9 KB (1,254 words) - 10:39, 27 March 2024