MiMeDB: Showing metabocard for 11,12-Methyleneoctadecanoic acid (MMDBc0060386)

Microbial

Record Information

Version

2.0

Status

Detected and Quantified

Creation Date

2023-02-14 16:56:06 UTC

Update Date

2025-10-07 20:47:38 UTC

Metabolite ID

MMDBc0060386

Metabolite Identification

Common Name

11,12-Methyleneoctadecanoic acid

Description

11,12-Methyleneoctadecanoic acid is a fatty acid belonging to the class of unsaturated fatty acids. Its chemical structure features a methylene group between the 11th and 12th carbon atoms of the octadecanoic acid backbone, distinguishing it from other fatty acids. This compound has been identified as a metabolite in various organisms, including fungi, where it plays a role in lipid composition. For instance, it has been found as a predominant acyl component in polar phospholipids and is involved in the formation of ornithine lipids, where it is bound to the alpha-amino group (PMID:12633685 ). Additionally, it has been noted in the fatty acid profiles of different species, highlighting its presence alongside other fatty acids such as palmitic acid and vaccenic acid (PMID:19470520 ). The synthesis of 11,12-methyleneoctadecanoic acid has been linked to folic acid metabolism in Lactobacillus plantarum, indicating its potential biosynthetic pathways (PMID:5848327 ). Overall, this fatty acid contributes to the diverse lipid profiles observed in various biological systems.

Structure

MOL SDF PDB SMILES InChI

Synonyms

Not Available

Molecular Formula

C₁₉H₃₅O₂

Average Mass

295.488

Monoisotopic Mass

295.264253947

IUPAC Name

Not Available

Traditional Name

Not Available

CAS Registry Number

Not Available

SMILES

Not Available

InChI Identifier

Not Available

InChI Key

IJKRDVKGCQRKBI-MSOLQXFVSA-M

Chemical Taxonomy

Functional Ontology

Not Available

Physical Properties

State

Not Available

Predicted Properties

Not Available

Spectra

Not Available

Chromatographic Retention Times and Retention Indices

Retention Times

Chromatography Type	Technique	Column	Deposition Date	Retention Time (s)
Liquid Chromatography	HILIC	Waters Acquity UPLC-BEH Amide column (eluted)	2025-10-24	199.1
Liquid Chromatography	HILIC	Accucore 150 Amide HILIC (eluted)	2025-10-24	39.5
Liquid Chromatography	Reversed-phase	Hypersil Gold 1.9 µm C18 (eluted)	2025-10-24	716.5
Liquid Chromatography	Reversed-phase	Agilent Zorbax Eclipse Plus C18 (2.1 mm x 150 mm, 3.5 um) (eluted)	2025-10-24	1247.9
Liquid Chromatography	Reversed-phase	XBridge C18 3.5u 2.1x50 mm (eluted)	2025-10-24	1198.1
Liquid Chromatography	Reversed-phase	Ascentis Express C18 (eluted)	2025-10-24	919.9
Liquid Chromatography	Reversed-phase	Waters ACQUITY UPLC HSS T3 C18 (eluted)	2025-10-24	3522.9
Liquid Chromatography	HILIC	Merck SeQuant ZIC-HILIC (void)	2025-10-24	168.9
Liquid Chromatography	HILIC	Merck SeQuant ZIC-pHILIC (eluted)	2025-10-24	596.8
Liquid Chromatography	Reversed-phase	Waters ACQUITY UPLC HSS T3 C18 (eluted)	2025-10-24	1002.2
Liquid Chromatography	HILIC	Merck SeQuant ZIC-HILIC (eluted)	2025-10-24	743.6
Liquid Chromatography	Reversed-phase	Waters ACQUITY UPLC HSS T3 C18 (eluted)	2025-10-24	528.4
Liquid Chromatography	Reversed-phase	Waters ACQUITY UPLC BEH C18 (eluted)	2025-10-24	341.2
Liquid Chromatography	HILIC	Merck SeQuant ZIC-pHILIC column (void)	2025-10-24	8.7
Liquid Chromatography	HILIC	Merck SeQuant ZIC-pHILIC column (eluted)	2025-10-24	912.7
Liquid Chromatography	Reversed-phase	Waters ACQUITY UPLC BEH C18 (eluted)	2025-10-24	664.4
Liquid Chromatography	Reversed-phase	Waters ACQUITY UPLC BEH C18 (eluted)	2025-10-24	639.7
Liquid Chromatography	Reversed-phase	Kinetex Core-Shell C18 2.6 um, 3.0 x 100 mm, Phenomenex (eluted)	2025-10-24	2235.7
Liquid Chromatography	Reversed-phase	Waters Atlantis T3 (2.1 x 150 mm, 5 um) (eluted)	2025-10-24	2531.2

Retention Indices

Not Available

Biological Properties

Cellular Locations

Not Available

Biospecimen Locations

Not Available

Tissue Locations

Not Available

Associated OMIM IDs

114500 (Colorectal cancer)
610247 (Eosinophilic esophagitis)

Human Proteins and Enzymes

Protein ID	Protein Name	Protein Type	Uniprot ID	Species

Human Pathways

Pathways

Name	SMPDB/PathBank

Microbial Pathways

Pathways

Not Available

Metabolic Reactions

Reactions

This table shows at most 20 reactions. For the full list of associated reactions:

See All Associated Reactions

Reaction ID	Precursor	Product	Enzyme	Reaction Type	Data Source	Reference
MMDBr0038847	11,12-Methyleneoctadecanoyl-CoA	11,12-Methyleneoctadecanoic acid	Thioesterase TesA	Hydrolysis	RHEA	34755880

Health Effects and Bioactivity

Health Outcome/Bioactivity	Metabolite Response/Effect	Evidence Type	Host and Biospecimen	Data Source	Reference

Microbial Sources

Superkingdom/Kingdom	Phylum	Total species	Hosts and Body Sites	Microbial Links

Exposure Sources

Other Exposures

Source Type	Data Source	Reference

Host Biospecimen and Location

Host and Biospecimen	Status	Mean	Std	Min	Max	Units	Age	Sex	Health Condition	Data Source	Reference

External Links

Not Available

General References

Showing metabocard for 11,12-Methyleneoctadecanoic acid (MMDBc0060386)

MOL for #<Metabolite:0x00005624ca3ee758>

3D MOL for #<Metabolite:0x00005624ca3ee758>

3D SDF for #<Metabolite:0x00005624ca3ee758>

3D-SDF for #<Metabolite:0x00005624ca3ee758>

PDB for #<Metabolite:0x00005624ca3ee758>

3D PDB for #<Metabolite:0x00005624ca3ee758>

SMILES for #<Metabolite:0x00005624ca3ee758>

INCHI for #<Metabolite:0x00005624ca3ee758>

Structure for #<Metabolite:0x00005624ca3ee758>

3D Structure for #<Metabolite:0x00005624ca3ee758>