alpha-methyltyrosine   Click here for help

GtoPdb Ligand ID: 6956

Synonyms: Demser® | metyrosine | MK-781
Approved drug
alpha-methyltyrosine is an approved drug (FDA (1979))
Compound class: Synthetic organic
Comment: The US FDA approved name for this compound is metyrosine, an inhibitor of tyrosine 3-hydroxylase enzymatic activity.
2D Structure
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2D Structure

An image of the ligand's 2D structure. For small molecules with SMILES these are drawn using the NCI/CADD Chemical Identifier Resolver. Click on the image to access the chemical structure search tool with the ligand pre-loaded in the structure editor. For other types of ligands, e.g. longer nucleotides and peptides, a manually drawn representation of the molecule may be provided.

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Physico-chemical Properties
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Physico-chemical Properties

Calculated molecular properties are available for small molecules and natural products (not peptides). Properties were generated using the CDK toolkit. All properties were selected to enable the prediction of the Lipinski Rule-of-Five profile or ‘druglikeness’ for each ligand. For more info on each category see the help pages.

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Hydrogen bond acceptors 3
Hydrogen bond donors 3
Rotatable bonds 3
Topological polar surface area 83.55
Molecular weight 195.09
XLogP -1.68
No. Lipinski's rules broken 0
SMILES / InChI / InChIKey
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SMILES / InChI / InChIKey

SMILES (Simplified Molecular Input Line Entry Specification) A specification for unambiguously describing the structure of chemical molecules using short ASCII strings. Canonical SMILES specify a unique representation of the 2D structure without chiral or isotopic specifications. Isomeric SMILES include chiral specification and isotopes.

Standard InChI (IUPAC International Chemical Identifier) and InChIKey InChI is a non-proprietary, standard, textual identifier for chemical substances designed to facilitate linking of information and database searching. An InChIKey is a simplified version of a full InChI, designed for easier web searching.

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Canonical SMILES Oc1ccc(cc1)CC(C(=O)O)(N)C
Isomeric SMILES Oc1ccc(cc1)C[C@@](C(=O)O)(N)C
InChI InChI=1S/C10H13NO3/c1-10(11,9(13)14)6-7-2-4-8(12)5-3-7/h2-5,12H,6,11H2,1H3,(H,13,14)/t10-/m0/s1
InChI Key NHTGHBARYWONDQ-JTQLQIEISA-N
No information available.
Summary of Clinical Use Click here for help
Metyrosine is used to treat tumours of the adrenal gland known as pheochromocytoma. These tumours over-produce catecholamines and thereby cause hyperstimulation of the sympathetic nervous system.
Mechanism Of Action and Pharmacodynamic Effects Click here for help
It is hypothesised that metyrosine disrupts the synthesis of catecholamines by acting as an inhibitor of tyrosine hydroxylase, with in vivo human results to support this hypothesis [1].