Sentences with phrase «catalyzed by an enzyme»

Steps catalyzed by enzymes encoded by genes that were differentially expressed in the RNA - seq analyses are boxed by dashed lines (purple = Bsl1; turquoise = SvROT3; dark blue = SvBR6OX1; burnt orange = SvBAS1 - L2).

Biotin, an essential water - soluble B vitamin, has been known to modify tails of histone H2A, H3, and H4 through a covalent attachment of biotin to specific lysine residues catalyzed by the enzymes biotinidase and holocarboxylase synthase.»

This conversion happens as men get older, and is catalyzed by an enzyme called 5 - alpha reductase.

Not exact matches

An extracellular enzyme produced by certain strains of a soil bacterium (Bacillus amyloliquefaciens) that catalyzes the breakdown of proteins into polypeptides.

Refers to a class of enzymes produced chiefly by fungi, bacteria, and protozoans that catalyze the hydrolysis of cellulose.

Such reactions are specifically catalyzed by the large protein molecules called enzymes, many of which have now been purified and also studied.

These reactions are typically catalyzed by iron - containing enzymes.

Adenosine 3», 5» - monophosphate at a concentration of 5 x 10 - 7 mole per liter causes a 400 percent increase in the rate of phosphorylation of histone catalyzed by a partially purified enzyme preparation from rabbit brain.

When the team brought the nanocrystals close to an alkaline phosphate - catalyzed reaction, they saw the violet emissions diminish in direct proportion to a chemical indicator produced by the enzyme.

Many researchers thought the inactive HDAC enzymes worked by helping load HDAC3 onto its target molecule for catalyzing biochemical reactions.

It is generated by an enzyme - catalyzed chemoluminescence reaction, wherein the pigment luciferin is oxidised by the enzyme luciferase.

They knew that the enzyme requires oxygen to catalyze the production of methylphosphonate, so by eliminating oxygen they were able to get snapshots of the enzyme as it bound to the necessary reaction partners but before it performed the reaction.

Glyceraldehyde -3-phosphate dehydrogenase is a key enzyme in glycolysis that catalyzes the first step of the pathway by converting D - glyceraldehyde 3 - phosphate (G3P) into 3 - phospho - D - glyceroyl phosphate.

Photosytem II utilizes a water - splitting manganese - calcium enzyme that when energized by sunlight catalyzes a four photon - step cycle of oxidation states (S0 - to - S3).

One pathway of arachidonic acid oxygenation leads to the formation of prostaglandins and related molecules; the initial step in their formation is catalyzed by one of the two cyclooxygenase enzymes, which are inhibited by aspirin and the nonsteroidal anti-inflammatory drugs.

In particular, Hur's computational studies helped settle a long - standing question over whether all enzymes catalyze reactions by stabilizing a chemical intermediate called the «transition state,» which appears during the conversion of reactants into products.

Cortisone is produced by the action of 11β - hydroxysteroid dehydrogenase (11β - HSD), an enzyme with two isoforms, the first of which, 11β - hydroxysteroid dehydrogenase I (11β - HSD I) catalyzes cortisone into cortisol, enabling rapid supply of the active hormone as needed.

Tyrosinase is a «copper - containing enzyme present in plant and animal tissues that catalyzes the production of melanin by oxidation» [en.wikipedia.org].

The CYP1A1 enzyme that catalyzes 2 - hydroxyestrone (2 - OHE1) formation is inducible by dietary modification and supplementation with the active components of cruciferous vegetables, indole -3-carbinol (I -3-C), or diindolylmethane (DIM).