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Items: 1 to 20 of 22088

1.

Benzenaminium, 4,4'-(3-oxo-1,5-pentanediyl)bis(N,N-dimethyl-N-2-propenyl-), Dibromide

Proposed cholinesterase inhibitor.

Year introduced: 2005(1975)

2.

3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer

A non-peptide, kappa-opioid receptor agonist which has also been found to stimulate the release of adrenocorticotropin (ADRENOCORTICOTROPIC HORMONE) via the release of hypothalamic arginine vasopressin (ARGININE VASOPRESSIN) and CORTICOTROPIN-RELEASING HORMONE. (From J Pharmacol Exp Ther 1997;280(1):416-21)

Year introduced: 2002(1998)

3.

Phosphatidyl-N-Methylethanolamine N-Methyltransferase

An enzyme that catalyzes the METHYLATION of phosphatidyl-N-methylethanolamine to produce phosphatidyl-N-dimethylethanolamine. This enzyme can also methylate phosphatidyl-N-dimethylethanolamine to produce phosphatidyl-N-trimethylethanolamine (PHOSPHATIDYLCHOLINE).

Year introduced: 2006(1980)

4.

N,N-Dimethyltryptamine

An N-methylated indoleamine derivative and serotonergic hallucinogen which occurs naturally and ubiquitously in several plant species including Psychotria veridis. It also occurs in trace amounts in mammalian brain, blood, and urine, and is known to act as an agonist or antagonist of certain SEROTONIN RECEPTORS.

Year introduced: 1991(1989)

5.

Protein-Arginine N-Methyltransferases

Enzymes that catalyze the methylation of arginine residues of proteins to yield N-mono- and N,N-dimethylarginine. This enzyme is found in many organs, primarily brain and spleen.

Year introduced: 2010 (1977)

6.

beta-N-Acetylhexosaminidases

A hexosaminidase specific for non-reducing N-acetyl-D-hexosamine residues in N-acetyl-beta-D-hexosaminides. It acts on GLUCOSIDES; GALACTOSIDES; and several OLIGOSACCHARIDES. Two specific mammalian isoenzymes of beta-N-acetylhexoaminidase are referred to as HEXOSAMINIDASE A and HEXOSAMINIDASE B. Deficiency of the type A isoenzyme causes TAY-SACHS DISEASE, while deficiency of both A and B isozymes causes SANDHOFF DISEASE. The enzyme has also been used as a tumor marker to distinguish between malignant and benign disease.

Year introduced: 2008(1988)

7.

N-Terminal Acetyltransferase F

An N-terminal acetyltransferase subtype that consists of the Naa60p catalytic subunit. It is found in higher eukayotes and displays a substrate specificity for the N-terminal METHIONINE of peptides where the next amino acid in the chain is either LEUCINE; LYSINE; PHENYALANINE; ISOLEUCINE; or TRYPTOPHANE.

Year introduced: 2013

8.

N-Terminal Acetyltransferase E

An N-terminal acetyltransferase subtype that consists of the Naa50p catalytic subunit, and the Naa10p and Naa15p auxiliary subunits. It has specificity for the N-terminal METHIONINE of peptides where the next amino acid in the chain is hydrophobic.

Year introduced: 2013

9.

N-Terminal Acetyltransferase D

An N-terminal acetyltransferase subtype that consists of the Naa40p catalytic subunit. It has specificity for N-termini of HISTONE H2A and HISTONE H4.

Year introduced: 2013

10.

N-Terminal Acetyltransferase C

An N-terminal acetyltransferase subtype that consists of the Naa30p catalytic subunit, and the Naa35p and Naa38p auxiliary subunits. It has specificity for the N-terminal METHIONINE of peptides where the next amino acid in the chain is either LEUCINE; PHENYALANINE; ISOLEUCINE; or TRYPTOPHANE.

Year introduced: 2013

11.

N-Terminal Acetyltransferase B

An N-terminal acetyltransferase subtype that consists of the Naa20p catalytic subunit and the Naa25p auxiliary subunit. The structure of this enzyme is conserved between YEASTS and HUMAN. It has specificity for the N-terminal METHIONINE of peptides where the next amino acid in the chain is either ASPARTATE; GLUTAMATE; ASPARAGINE; or GLUTAMINE.

Year introduced: 2013

12.

N-Terminal Acetyltransferase A

An N-terminal acetyltransferase subtype that consists of the Naa10p catalytic subunit and the Naa15p auxiliary subunit. The structure of this enzyme is conserved between lower and higher eukaryotes. It has specificity for N-terminal SERINE; ALANINE; THREONINE; GLYCINE; VALINE; and CYSTINE residues and acts on nascent peptide chains after the removal of the initiator METHIONINE by METHIONYL AMINOPEPTIDASES.

Year introduced: 2013

13.

beta-N-Acetyl-Galactosaminidase

A hexosiminidase that specifically hydrolyzes terminal non-reducing N-acetyl-D-galactosamine residues in N-acetyl-beta-D-galactosaminides.

Year introduced: 2005(1973)

14.

alpha-N-Acetylgalactosaminidase

A hexosaminidase with specificity for terminal non-reducing N-acetyl-D-galactosamine residues in N-acetyl-alpha-D-galactosaminides.

Year introduced: 2005(1978)

15.

N-Acetylneuraminic Acid

An N-acyl derivative of neuraminic acid. N-acetylneuraminic acid occurs in many polysaccharides, glycoproteins, and glycolipids in animals and bacteria. (From Dorland, 28th ed, p1518)

Year introduced: 1997

16.

N-Acetylglucosaminyltransferases

Enzymes that catalyze the transfer of N-acetylglucosamine from a nucleoside diphosphate N-acetylglucosamine to an acceptor molecule which is frequently another carbohydrate. EC 2.4.1.-.

Year introduced: 1993

17.

N-Acetylgalactosaminyltransferases

Enzymes that catalyze the transfer of N-acetylgalactosamine from a nucleoside diphosphate N-acetylgalactosamine to an acceptor molecule which is frequently another carbohydrate. EC 2.4.1.-.

Year introduced: 1993

18.

Arylamine N-Acetyltransferase

An enzyme that catalyzes the transfer of acetyl groups from ACETYL-COA to arylamines. It can also catalyze acetyl transfer between arylamines without COENZYME A and has a wide specificity for aromatic amines, including SEROTONIN. However, arylamine N-acetyltransferase should not be confused with the enzyme ARYLALKYLAMINE N-ACETYLTRANSFERASE which is also referred to as SEROTONIN ACETYLTRANSFERASE.

Year introduced: 1998(1980)

19.

Fanconi Anemia Complementation Group N Protein

A Fanconi anemia complementation group protein that contains an N-terminal DNA-binding region and seven, C-terminal, WD REPEATS. It is an essential factor in HOMOLOGOUS RECOMBINATION DNA REPAIR through its interactions with BRCA2 PROTEIN; RAD51 RECOMBINASE; and BRCA1 PROTEIN. It functions as a molecular scaffold to localize and stabilize these proteins at homologous recombination sites. Mutations in the PALB2 gene are associated with FANCONI ANEMIA complementation group N; type 3 PANCREATIC NEOPLASMS; and susceptibility to BREAST CANCER.

Year introduced: 2018

20.

N-Terminal Acetyltransferases

Enzymes that catalyze the transfer of an acetyl group, usually from ACETYL COENZYME A, to the N-terminus of a peptide chain.

Year introduced: 2013

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