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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

Term:signalling molecule
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Accession:CHEBI:62488 term browser browse the term
Definition:A molecular messenger in which the molecule is specifically involved in transmitting information between cells. Such molecules are released from the cell sending the signal, cross over the gap between cells by diffusion, and interact with specific receptors in another cell, triggering a response in that cell by activating a series of enzyme controlled reactions which lead to changes inside the cell.
Synonyms:related_synonym: signal molecule;   signal molecules;   signaling molecule;   signaling molecules;   signalling molecules

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  CHEBI ontology 0
    role 0
      biological role 0
        molecular messenger 0
          signalling molecule 0
            1-(3,5-dichloro-2,6-dihydroxy-4-methoxyphenyl)hexan-1-one 0
            1-(3,5-dichloro-2,6-dihydroxy-4-methoxyphenyl)pentan-1-one 0
            2'-phospho-cyclic ADP-ribose 0
            2-heptyl-3-hydroxy-4-quinolone 0
            2-heptyl-4-hydroxyquinoline 0
            2-heptyl-4-quinolone 0
            3',5'-cyclic UMP 0
            8-nitroguanosine 3',5'-cyclic monophosphate 0
            N-(4-coumaroyl)-L-homoserine lactone 0
            N-arachidonoylserotonin 0
            N-isovaleryl-L-homoserine lactone 0
            S-nitrosoglutathione 0
            all-trans-retinoic acid + 0
            autoinducer + 0
            c-di-GMP 0
            carbon monoxide 0
            farnesoic acid + 0
            gamma-aminobutyric acid + 0
            hydrogen sulfide + 0
            myo-inositol hexakisphosphate 0
            nicotinic acid-adenine dinucleotide phosphate 0
            nitric oxide 0
            specialised pro-resolving mediator + 0
            sphingosine 1-phosphate 0
            thionitrous acid 0
            tropodithietic acid 0
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