glutathione derivative biosynthetic process
Definition
Target type: biologicalprocess
The chemical reactions and pathways resulting in the formation of glutathione derivative. [GOC:pr, GOC:TermGenie]
Glutathione derivative biosynthesis is a complex metabolic process involving the production of various glutathione conjugates, which are vital for cellular detoxification and other biological functions. Glutathione (GSH), a tripeptide composed of glutamate, cysteine, and glycine, is a key player in this process.
The biosynthesis of glutathione derivatives begins with the conjugation of glutathione to a variety of substrates, including xenobiotics, drugs, and endogenous metabolites. This conjugation reaction is catalyzed by glutathione S-transferases (GSTs), a superfamily of enzymes with broad substrate specificity. GSTs catalyze the transfer of the glutathione molecule to the substrate, forming a glutathione conjugate.
The conjugation process typically involves a nucleophilic attack by the sulfhydryl group of glutathione on an electrophilic center in the substrate. This reaction results in the formation of a thioether bond between the glutathione molecule and the substrate.
Once the glutathione conjugate is formed, it can be further metabolized by other enzymes, including glutathione reductase, glutathione peroxidase, and gamma-glutamyltransferase. These enzymes play crucial roles in detoxification, redox homeostasis, and amino acid metabolism.
Glutathione reductase catalyzes the reduction of oxidized glutathione (GSSG) back to its reduced form (GSH). This reaction is essential for maintaining adequate levels of reduced glutathione, which is required for various cellular functions.
Glutathione peroxidase catalyzes the reduction of hydrogen peroxide (H2O2) to water, using reduced glutathione as a reducing agent. This reaction protects cells from oxidative damage caused by reactive oxygen species (ROS).
Gamma-glutamyltransferase catalyzes the removal of the glutamate residue from glutathione conjugates. This reaction is important for the recycling of glutathione and the excretion of glutathione conjugates.
In summary, glutathione derivative biosynthesis is a complex and essential metabolic process that involves the conjugation of glutathione to various substrates, followed by further metabolism by a variety of enzymes. This process plays a vital role in cellular detoxification, redox homeostasis, and other biological functions.'
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Proteins (4)
| Protein | Definition | Taxonomy |
|---|---|---|
| Aldo-keto reductase family 1 member A1 | An aldo-keto reductase family 1 member A1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P14550] | Homo sapiens (human) |
| Aldo-keto reductase family 1 member A1 | An aldo-keto reductase family 1 member A1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P14550] | Homo sapiens (human) |
| Glutathione S-transferase P | A glutathione S-transferase P that is encoded in the genome of human. [PRO:DNx, UniProtKB:P09211] | Homo sapiens (human) |
| Glutathione S-transferase A1 | A glutathione S-transferase A1 that is encoded in the genome of human. [PRO:DNx, UniProtKB:P08263] | Homo sapiens (human) |
Compounds (22)
| Compound | Definition | Classes | Roles |
|---|---|---|---|
| zopolrestat | zopolrestat: structure given in first source | ||
| valproic acid | valproic acid : A branched-chain saturated fatty acid that comprises of a propyl substituent on a pentanoic acid stem. Valproic Acid: A fatty acid with anticonvulsant and anti-manic properties that is used in the treatment of EPILEPSY and BIPOLAR DISORDER. The mechanisms of its therapeutic actions are not well understood. It may act by increasing GAMMA-AMINOBUTYRIC ACID levels in the brain or by altering the properties of VOLTAGE-GATED SODIUM CHANNELS. | branched-chain fatty acid; branched-chain saturated fatty acid | anticonvulsant; antimanic drug; EC 3.5.1.98 (histone deacetylase) inhibitor; GABA agent; neuroprotective agent; psychotropic drug; teratogenic agent |
| ethacrynic acid | etacrynic acid : An aromatic ether that is phenoxyacetic acid in which the phenyl ring is substituted by chlorines at positions 2 and 3, and by a 2-methylidenebutanoyl group at position 4. It is a loop diuretic used to treat high blood pressure resulting from diseases such as congestive heart failure, liver failure, and kidney failure. It is also a glutathione S-transferase (EC 2.5.1.18) inhibitor. Ethacrynic Acid: A compound that inhibits symport of sodium, potassium, and chloride primarily in the ascending limb of Henle, but also in the proximal and distal tubules. This pharmacological action results in excretion of these ions, increased urinary output, and reduction in extracellular fluid. This compound has been classified as a loop or high ceiling diuretic. | aromatic ether; aromatic ketone; dichlorobenzene; monocarboxylic acid | EC 2.5.1.18 (glutathione transferase) inhibitor; ion transport inhibitor; loop diuretic |
| fr 74366 | |||
| d-alpha tocopherol | (R,R,R)-alpha-tocopherol : An alpha-tocopherol that has R,R,R configuration. The naturally occurring stereoisomer of alpha-tocopherol, it is found particularly in sunflower and olive oils. tocopherol : A collective name for a group of closely related lipids that contain a chroman-6-ol nucleus substituted at position 2 by a methyl group and by a saturated hydrocarbon chain consisting of three isoprenoid units. They are designated as alpha-, beta-, gamma-, and delta-tocopherol depending on the number and position of additional methyl substituents on the aromatic ring. Tocopherols occur in vegetable oils and vegetable oil products, almost exclusively with R,R,R configuration. Tocotrienols differ from tocopherols only in having three double bonds in the hydrocarbon chain. vitamin E : Any member of a group of fat-soluble chromanols that exhibit biological activity against vitamin E deficiency. The vitamers in this class consists of a chroman-6-ol core which is substituted at position 2 by a methyl group and (also at position 2) either a saturated or a triply-unsaturated hydrocarbon chain consisting of three isoprenoid units. The major function of vitamin E is to act as a natural antioxidant by scavenging free radicals and molecular oxygen. Vitamin E: A generic descriptor for all TOCOPHEROLS and TOCOTRIENOLS that exhibit ALPHA-TOCOPHEROL activity. By virtue of the phenolic hydrogen on the 2H-1-benzopyran-6-ol nucleus, these compounds exhibit varying degree of antioxidant activity, depending on the site and number of methyl groups and the type of ISOPRENOIDS. | alpha-tocopherol | algal metabolite; antiatherogenic agent; anticoagulant; antioxidant; antiviral agent; EC 2.7.11.13 (protein kinase C) inhibitor; immunomodulator; micronutrient; nutraceutical; plant metabolite |
| tolrestat | tolrestat: RN & structure given in first source | naphthalenes | EC 1.1.1.21 (aldehyde reductase) inhibitor |
| octyl gallate | gallate ester | food antioxidant; hypoglycemic agent; plant metabolite | |
| hexylglutathione | S-hexylglutathione : An S-substituted glutathione that is glutathione in which the hydrogen of the thiol has been replaced by a hexyl group (PDB entry: 1PN9). | S-substituted glutathione | |
| 5-chloromethylfluorescein diacetate | acetate ester | fluorochrome | |
| malagashanine | malagashanine: from Strychnos sp.; structure given in first source | ||
| lidorestat | lidorestat: might prove useful in treating chronic diabetic complications; structure in first source | ||
| fidarestat | fidarestat: structure given in first source | ||
| minalrestat | minalrestat: a vasoactive agent | isoquinolines | |
| sorbinil | sorbinil : An azaspiro compound having a monofluoro-substituted chromane skeleton spiro-linked to an imidazolidinedione ring. sorbinil: aldose reductase inhibitor | azaspiro compound; chromanes; imidazolidinone; organofluorine compound; oxaspiro compound | antioxidant; EC 1.1.1.21 (aldehyde reductase) inhibitor |
| curcumin | curcumin : A beta-diketone that is methane in which two of the hydrogens are substituted by feruloyl groups. A natural dyestuff found in the root of Curcuma longa. Curcumin: A yellow-orange dye obtained from tumeric, the powdered root of CURCUMA longa. It is used in the preparation of curcuma paper and the detection of boron. Curcumin appears to possess a spectrum of pharmacological properties, due primarily to its inhibitory effects on metabolic enzymes. | aromatic ether; beta-diketone; diarylheptanoid; enone; polyphenol | anti-inflammatory agent; antifungal agent; antineoplastic agent; biological pigment; contraceptive drug; dye; EC 1.1.1.205 (IMP dehydrogenase) inhibitor; EC 1.1.1.21 (aldehyde reductase) inhibitor; EC 1.1.1.25 (shikimate dehydrogenase) inhibitor; EC 1.6.5.2 [NAD(P)H dehydrogenase (quinone)] inhibitor; EC 1.8.1.9 (thioredoxin reductase) inhibitor; EC 2.7.10.2 (non-specific protein-tyrosine kinase) inhibitor; EC 3.5.1.98 (histone deacetylase) inhibitor; flavouring agent; food colouring; geroprotector; hepatoprotective agent; immunomodulator; iron chelator; ligand; lipoxygenase inhibitor; metabolite; neuroprotective agent; nutraceutical; radical scavenger |
| epalrestat | epalrestat : A monocarboxylic acid that is 1,3-thiazolidine which is substituted on the nitrogen by a carboxymethyl group, at positions 2 and 4 by thioxo and oxo groups, respectively, and at position 5 by a 2-methyl-3-phenylprop-2-en-1-ylidene group. It is an inhibitor of aldose reductase (which catalyses the conversion of glucose to sorbitol) and is used for the treatment of some diabetic complications, including neuropathy. | monocarboxylic acid; thiazolidines | EC 1.1.1.21 (aldehyde reductase) inhibitor |
| idd 594 | Idd 594: structure in first source | ||
| caffeic acid phenethyl ester | phenethyl caffeate : An alkyl caffeate ester in which 2-phenylethyl is the alkyl component. | alkyl caffeate ester | anti-inflammatory agent; antibacterial agent; antineoplastic agent; antioxidant; antiviral agent; immunomodulator; metabolite; neuroprotective agent |
| ellagic acid | catechols; cyclic ketone; lactone; organic heterotetracyclic compound; polyphenol | antioxidant; EC 1.14.18.1 (tyrosinase) inhibitor; EC 2.3.1.5 (arylamine N-acetyltransferase) inhibitor; EC 2.4.1.1 (glycogen phosphorylase) inhibitor; EC 2.5.1.18 (glutathione transferase) inhibitor; EC 2.7.1.127 (inositol-trisphosphate 3-kinase) inhibitor; EC 2.7.1.151 (inositol-polyphosphate multikinase) inhibitor; EC 2.7.4.6 (nucleoside-diphosphate kinase) inhibitor; EC 2.7.7.7 (DNA-directed DNA polymerase) inhibitor; EC 5.99.1.2 (DNA topoisomerase) inhibitor; EC 5.99.1.3 [DNA topoisomerase (ATP-hydrolysing)] inhibitor; food additive; fungal metabolite; geroprotector; plant metabolite; skin lightening agent | |
| 2-crotonyloxymethyl-2-cyclohexenone | 2-crotonyloxymethyl-2-cyclohexenone: structure given in first source | ||
| 6-(7-nitro-2,1,3-benzoxadiazol-4-ylthio)hexanol | 6-(7-nitro-2,1,3-benzoxadiazol-4-ylthio)hexanol: a specific glutathione S-transferase inhibitor; structure in first source | ||
| flavellagic acid | flavellagic acid: RN given refers to parent cpd; structure |