cefclidin   Click here for help

GtoPdb Ligand ID: 10771

Synonyms: cefclidine | E-1040 | E1040
Compound class: Synthetic organic
Comment: Cefclidin (E1040) is a fourth-generation cephalosporin antibacterial that disrupts cell wall formation [2-3]. It exhibits strong antibacterial activity against glucose non-fermentative bacillus bacteria, but is ineffective against gram-positive cocci.
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 11
Hydrogen bond donors 3
Rotatable bonds 9
Topological polar surface area 259.56
Molecular weight 550.14
XLogP -4.91
No. Lipinski's rules broken 1
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 CO/N=C(/c1nsc(n1)N)\C(=O)N[C@@H]1C(=O)N2[C@@H]1SCC(=C2C(=O)[O-])C[N+]12CCC(CC1)(CC2)C(=O)N
Isomeric SMILES CO/N=C(/c1nsc(n1)N)\C(=O)N[C@@H]1C(=O)N2[C@@H]1SCC(=C2C(=O)[O-])C[N+]12CCC(CC1)(CC2)C(=O)N
InChI InChI=1S/C21H26N8O6S2/c1-35-26-11(14-25-20(23)37-27-14)15(30)24-12-16(31)28-13(18(32)33)10(9-36-17(12)28)8-29-5-2-21(3-6-29,4-7-29)19(22)34/h12,17H,2-9H2,1H3,(H5-,22,23,24,25,27,30,32,33,34)/b26-11-/t12-,17-,21?,29?/m1/s1
InChI Key JUVHVMCKLDZLGN-TVNFHGJBSA-N
References
1. Nakashima M, Uematsu T, Kanamara M, Ueno K, Setoyama T, Tomono Y, Ohno T, Okano K, Morishita N. (1989)
Phase I study of E1040, a new parenteral cephem antibiotic.
J Clin Pharmacol, 29 (2): 144-50. [PMID:2715371]
2. Sugiyama I, Komatsu Y, Yamauchi H. (1992)
Synthesis and structure-activity relationships of a new series of cephalosporins, E1040 and related compounds.
J Antibiot, 45 (1): 103-12. [PMID:1548180]
3. Watanabe N, Katsu K, Moriyama M, Kitoh K. (1988)
In vitro evaluation of E1040, a new cephalosporin with potent antipseudomonal activity.
Antimicrob Agents Chemother, 32 (5): 693-701. [PMID:3134847]