sulfabenzamide   Click here for help

GtoPdb Ligand ID: 12632

Approved drug PDB Ligand
sulfabenzamide is an approved drug (FDA (1945))
Compound class: Synthetic organic
Comment: Sulfabenzamide is a sulfonamide antibacterial compound. It inhibits the bacterial dihydropteroate synthase pathway which generates the folic acid that is essential for bacterial growth.
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 5
Hydrogen bond donors 2
Rotatable bonds 4
Topological polar surface area 97.64
Molecular weight 276.31
XLogP 0.08
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 C1=CC=C(C=C1)C(=O)NS(=O)(=O)C2=CC=C(C=C2)N
Isomeric SMILES C1=CC=C(C=C1)C(=O)NS(=O)(=O)C2=CC=C(C=C2)N
InChI InChI=1S/C13H12N2O3S/c14-11-6-8-12(9-7-11)19(17,18)15-13(16)10-4-2-1-3-5-10/h1-9H,14H2,(H,15,16)
InChI Key PBCZLFBEBARBBI-UHFFFAOYSA-N
No information available.
Summary of Clinical Use Click here for help
The most common formulation of sulfabenzamide is in combination with sulfathiazole and sulfacetamide and is administered as a vaginal preparation (tablet or cream). The combined formulation was approved by the US FDA, but has since been discontinued. The drug may still be approved for use in other countries.
Mechanism Of Action and Pharmacodynamic Effects Click here for help
Sulfonamides are structural analogues of 4-aminobenzoic acid (pABA) an intermediate in the de novo synthesis of folate by some prokaryotes, lower eukaryotes and plants [2]. The antibacterial MMOA is competitive inhibition of bacterial dihydropteroate synthase (DHPS) resulting in a block of folate biosynthesis [1].