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The number of flavin-dependent protein encoded genes in the genome (the flavoproteome) is species dependent and can range from 0.1% - 3.5%, with humans having 90 flavoprotein encoded genes. [16] FAD is the more complex and abundant form of flavin and is reported to bind to 75% of the total flavoproteome [ 16 ] and 84% of human encoded ...
Fatty acyl-CoA esters are fatty acid derivatives formed of one fatty acid, a 3'-phospho-AMP linked to phosphorylated pantothenic acid (vitamin B 5) and cysteamine. Long-chain acyl-CoA esters are substrates for a number of important enzymatic reactions and play a central role in the regulation of metabolism as allosteric regulators of several ...
Long-chain hydroxyacyl-CoA dehydrogenase (LCHAD) deficiency is a condition that affects mitochondrial function due to enzyme impairments. LCHAD deficiency is specifically caused by a shortfall in the enzyme long-chain 3-hydroxyacyl-CoA dehydrogenase.
2,4 Dienoyl-CoA thioester reduction by NADPH to 3-Enoyl CoA occurs by a two-step sequential mechanism via an enolate intermediate. [10] DECR binds NADPH and the fatty acid thioester and positions them for specific hydride transfer to the Cδ on the hydrocarbon chain.
The medium chain acyl-CoA dehydrogenase (MCAD) is the best known structure of all ACADs, and is the most commonly deficient enzyme within the class that leads to metabolic disorders in animals. [1] This protein is a homotetramer with each subunit containing roughly 400 amino acids and one equivalent of FAD per monomer.
There are 18 key atoms in isoalloxazine that make up its characteristic three-ring structure. The R-group varies and differentiates various flavins. Riboflavin. Flavins (from Latin flavus, "yellow") refers generally to the class of organic compounds containing the tricyclic heterocycle isoalloxazine or its isomer alloxazine, and derivatives thereof.
The B chain of dipicolinate synthase, an enzyme which catalyses the formation of dipicolinic acid from dihydroxydipicolinic acid [13] Phenylacrylic acid decarboxylase (EC 4.1.1.102), an enzyme which confers resistance to cinnamic acid in yeast [14] Phototropin and cryptochrome, light-sensing proteins [15]
1. Acyl-CoA dehydrogenase catalyzes dehydrogenation of the acyl-CoA, creating a double bond between the alpha and beta carbons. [6] FAD is the hydrogen acceptor, yielding FADH2. [7] 2. Enoyl-CoA hydrase catalyzes the addition of water across the newly formed double bond to make an alcohol. [5] [6] 3.