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Family 1 includes Stearoyl-CoA desaturase-1 (SCD) (EC 1.14.19.1). [17] Family 2 is composed of: Bacterial fatty acid desaturases. Plant stearoyl-acyl-carrier-protein desaturase (EC 1.14.19.1), [18] an enzyme that catalyzes the introduction of a double bond at the delta-9 position of steraoyl-ACP to produce oleoyl-ACP. This enzyme is responsible ...
In biochemistry, denaturation is a process in which proteins or nucleic acids lose folded structure present in their native state due to various factors, including application of some external stress or compound, such as a strong acid or base, a concentrated inorganic salt, an organic solvent (e.g., alcohol or chloroform), agitation and radiation, or heat. [3]
A third protein can sometimes be involved in type II toxin-antitoxin systems. in the case of the ω-ε-ζ (omega-epsilon-zeta) system, the omega protein is a DNA binding protein that negatively regulates the transcription of the whole system. [64] Similarly, the paaR2 protein regulates the expression of the paaR2-paaA2-parE2 toxin-antitoxin ...
Protein degradation occurs in proteostasis when the cellular signals indicate the need to decrease overall cellular protein levels. The effects of protein degradation can be local, with the cell only experiencing effects from the loss of the degraded protein itself or widespread, with the entire protein landscape changing due to loss of other ...
HdeA is one of the most abundant proteins found in the periplasmic space of E. coli, where it is one of a network of proteins that confer an acid resistance phenotype essential for the pathogenesis of enteric bacteria. [2] HdeA is thought to act as a chaperone, functioning to prevent the aggregation of periplasmic proteins denatured under ...
Luciferase is a generic term for the class of oxidative enzymes that produce bioluminescence, and is usually distinguished from a photoprotein.The name was first used by Raphaël Dubois who invented the words luciferin and luciferase, for the substrate and enzyme, respectively. [1]
These bacteria are usually harmless, unless they are infected by a bacteriophage carrying a gene which gives rise to a toxin. [4] This toxin causes the disease. [ 5 ] Diphtheria is caused by the adhesion and infiltration of the bacteria into the mucosal layers of the body, primarily affecting the respiratory tract and causing the subsequent ...
BamA is a β-barrel, outer membrane protein found in Gram-negative bacteria and it is the main and vital component of the β-barrel assembly machinery (BAM) complex in those bacteria. [1] BAM Complex consists of five components; BamB, BamC, BamD, BamE (all are lipoproteins ) and BamA (Outer membrane protein).