T Cell Lymphocyte
Cytotoxic T Cells
Cytotoxic Proteins
Perforin
Granzymes
Mannose

https://en.m.wikipedia.org/wiki/Perforin-1

https://en.m.wikipedia.org/wiki/Granzyme_B

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Galactocerebroside (GalC)
Glucocerebroside
Glucocerebrosidase

Glucocerebrosidase is an enzyme with glucosylceramidase activity that cleaves by hydrolysis the β-glycosidic linkage of the chemical glucocerebroside, an intermediate in glycolipid metabolism that is abundant in cell membranes (particularly skin cells). It is localized in the lysosome, where it remains associated with the lysosomal membrane.

Domain I forms a three-stranded anti-parallel β-sheet. This domain contains two disulfide bridges that are necessary for correct folding.

In Gaucher's disease, the enzyme glucocerebrosidase is nonfunctional and cannot break down glucocerebroside into glucose and ceramide in the lysosome. Affected macrophages, called Gaucher cells, have a distinct appearance similar to "wrinkled tissue paper" under light microscopy, because the substrates build-up within the lysosome.

https://en.m.wikipedia.org/wiki/Cerebroside

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Sulfatide
Lysosulfatide
Metachromatic Leukodystrophy (MLD)
Arylsulfatase A (ARSA)

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Coenzyme Q
CoQ10
Ubiquinone
Quinone
Benzoquinone

Electron Donor refers to a molecule or substance that donates electrons to another molecule, effectively reducing its oxidation state.

Antioxidants act as electron donors, donating electrons to free radicals (a type of ROS) to neutralize them.

Examples of electron donors include Triarylamines, Nitrogen & Carbon Ring (Benzene, Phenol).

In cellular respiration, glucose acts as an electron donor, donating electrons to electron carriers like NADH.

These electrons are then used to generate energy in the form of ATP.

Opposite Roles of Co-enzyme Q10 and Formaldehyde in Neurodegenerative Diseases

https://pmc.ncbi.nlm.nih.gov/articles/PMC10624093/

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nate electrons to other substances, typically in redox reactions. In biological systems, glucose is an example of an electron donor, donating electrons to electron carriers like NADH and FADH2 during cellular respiration. Quinones (like ubiquinone or CoQ) are also electron donors, playing a key role in the electron transport chain.

Quinones can be synthesized through various methods, including chemical oxidation of phenols, hydroquinones.

key synthesis methods:

1. Chemical Oxidation:

Phenols:

Phenols can be oxidized to quinones using various oxidizing agents, including sodium dichromate and sulfuric acid.

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Oil
Nitrogen
Sulfur
Oxygen
Hydrogen

Coenzyme A (CoA)
Butyryl-CoA

Glycine
Glutamine
Taurine
Butyrate

Sulfide Quinone Oxidoreductase (SQR) is an enzyme that plays a crucial role in sulfide homeostasis and metabolism in various organisms. It catalyzes the oxidation of sulfide (S2- or HS-) to zero-valent sulfur.

Cofactor Binding: SQR utilizes a flavin adenine dinucleotide (FAD) cofactor, which is noncovalently bound to the enzyme during or after synthesis.

Nitrogen is a fundamental element in amino acids, which are the building blocks of proteins, including SQR. Therefore, adequate nitrogen is necessary for the overall synthesis of SQR protein.

SQR is a flavoprotein, meaning it requires FAD as a cofactor for its function. FAD is derived from riboflavin (vitamin B2).

Riboflavin, through its conversion to FAD, acts as a critical cofactor for SQR, enabling the enzyme to perform its vital functions in sulfide metabolism. While riboflavin is required for the conversion of hydrogen sulfide to sulfite via SQOR, it also plays a role in managing sulfite levels through its involvement with other enzymes like glutathione reductase.

Sulfide:quinone oxidoreductase (SQR) is a membrane-bound flavoprotein enzyme that plays a crucial role in sulfide metabolism. It catalyzes the oxidation of sulfide (H₂S) to elemental sulfur, a process involved in sulfide detoxification, energy generation by contributing electrons to electron transport chains, and sulfide homeostasis.

Sulfate is the final oxidation product of sulfur metabolism. Riboflavin involvement in the conversion of sulfite to sulfate, riboflavin's role in optimizing the earlier steps of the sulfur cycle indirectly affects the overall balance of sulfur compounds.

Flavoproteins have either FMN (flavin mononucleotide) or FAD (flavin adenine dinucleotide), both having Nitrogen.

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A Catalytic Trisulfide in Human Sulfide Quinone Oxidoreductase Catalyzes Coenzyme A Persulfide Synthesis and Inhibits Butyrate Oxidation

https://www.sciencedirect.com/science/article/pii/S2451945619303150