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ampicillin   Click here for help

GtoPdb Ligand ID: 10896

Synonyms: aminobenzylpenicillin | KS-R1 | Penbritin® | Polycillin | Principen®
Approved drug PDB Ligand
ampicillin is an approved drug (FDA (1965))
Compound class: Synthetic organic
Comment: Ampicillin is a broad-spectrum, semi-synthetic, β-lactam penicillin class antibacterial. It is resistant to hydrolysis by a variety of β-lactamases, so can be to treat a diverse range of infections caused by Gram-positive and Gram-negative infections.

ampicillin is commercially available from our sponsors

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 Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/). 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 7
Hydrogen bond donors 3
Rotatable bonds 5
Topological polar surface area 138.03
Molecular weight 349.11
XLogP -1.73
No. Lipinski's rules broken 0

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)
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.

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)

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Canonical SMILES N[C@H](c1ccccc1)C(=O)N[C@@H]1C(=O)N2[C@@H]1SC([C@@H]2C(=O)O)(C)C
Isomeric SMILES N[C@H](c1ccccc1)C(=O)N[C@@H]1C(=O)N2[C@@H]1SC([C@@H]2C(=O)O)(C)C
InChI InChI=1S/C16H19N3O4S/c1-16(2)11(15(22)23)19-13(21)10(14(19)24-16)18-12(20)9(17)8-6-4-3-5-7-8/h3-7,9-11,14H,17H2,1-2H3,(H,18,20)(H,22,23)/t9-,10-,11+,14-/m1/s1
InChI Key AVKUERGKIZMTKX-NJBDSQKTSA-N

Generated using the Chemistry Development Kit (CDK) (Willighagen EL et al. Journal of Cheminformatics vol. 9:33. 2017, doi:10.1186/s13321-017-0220-4; https://cdk.github.io/)
Classification Click here for help
Compound class Synthetic organic
Approved drug? Yes. US FDA (1965)
WHO Essential Medicine WHO Essential Medicines List (EML) (23rd List, 2023). Access PDF version.
Click to view more information about the WHO Model Lists of Essential Medicines.
Prodrug hetacillin, metampicillin, talampicillin, sultamicillin, bacampicillin, pivampicillin
IUPAC Name Click here for help
(2S,5R,6R)-6-[[(2R)-2-amino-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid
International Nonproprietary Names Click here for help
INN number INN
1339 ampicillin
Synonyms Click here for help
aminobenzylpenicillin | KS-R1 | Penbritin® | Polycillin | Principen®
Database Links Click here for help
Specialist databases
Antibiotic DB Antibiotic DB Database logo Ampicillin
Other databases
BindingDB Ligand 50350465
CAS Registry No. 69-52-3 (source: WHO INN record)
ChEMBL Ligand CHEMBL174
DrugBank Ligand DB00415
DrugCentral Ligand 198
GtoPdb PubChem SID 405560337
PubChem CID 6249
RCSB PDB Ligand AIC
Search Google for chemical match using the InChIKey AVKUERGKIZMTKX-NJBDSQKTSA-N
Search Google for chemicals with the same backbone AVKUERGKIZMTKX
Search PubMed clinical trials ampicillin
Search PubMed titles ampicillin
Search PubMed titles/abstracts ampicillin
UniChem Compound Search for chemical match using the InChIKey AVKUERGKIZMTKX-NJBDSQKTSA-N
UniChem Connectivity Search for chemical match using the InChIKey AVKUERGKIZMTKX-NJBDSQKTSA-N

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MedChemExpress
Ampicillin (links to external site)
Cat. No. HY-B0522
Ampicillin (Standard) (links to external site)
Cat. No. HY-B0522R