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1-Aminocyclopropane-1-carboxylic acid

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1-Aminocyclopropane-1-carboxylic acid
Names
Preferred IUPAC name 1-Aminocyclopropane-1-carboxylic acid
Other names 1-Aminocyclopropanecarboxylic acid
Identifiers
CAS Number
3D model (JSmol)
Abbreviations ACC
ChEBI
ChEMBL
ChemSpider
DrugBank
ECHA InfoCard 100.108.227 Edit this at Wikidata
KEGG
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C4H7NO2/c5-4(1-2-4)3(6)7/h1-2,5H2,(H,6,7)Key: PAJPWUMXBYXFCZ-UHFFFAOYSA-N
  • InChI=1/C4H7NO2/c5-4(1-2-4)3(6)7/h1-2,5H2,(H,6,7)Key: PAJPWUMXBYXFCZ-UHFFFAOYAF
SMILES
  • : C(O)(=O)C1(CC1)(N)
  • O=C(O)C1(N)CC1
Properties
Chemical formula C4H7NO2
Molar mass 101.1
Melting point 198–201 °C (388–394 °F; 471–474 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). ☒N verify (what is  ?) Infobox references
Chemical compound

1-Aminocyclopropane-1-carboxylic acid (ACC) is a disubstituted cyclic α-amino acid in which a cyclopropane ring is fused to the Cα atom of the amino acid. It is a white solid. Many cyclopropane-substituted amino acids are known, but this one occurs naturally. Like glycine, but unlike most α-amino acids, ACC is not chiral.

Biochemistry

ACC is the precursor to the plant hormone ethylene. It is synthesized by the enzyme ACC synthase (EC 4.4.1.14) from methionine and converted to ethylene by ACC oxidase (EC 1.14.17.4).

ACC also exhibits ethylene-independent signaling that plays a critical role in pollination and seed production by activating proteins similar to those involved in nervous system responses in humans and animals. More specifically, ACC signaling promotes secretion of the pollen tube chemoattractant LURE1.2 in ovular sporophytic tissue thus enhancing pollen tube attraction. Additionally, ACC activates Ca-containing ion currents via glutamate receptor-like (GLR) channels in root protoplasts.

ACC can be used by soil microorganisms (both bacteria and fungi) as a source of nitrogen and carbon. As such, using ACC to incubate soils has been proven to induce the gene abundance encoding ACC-deaminases, which may have positive consequences on plant growth and stress tolerance.

ACC has also been extracted from kelp.

ACC is also an exogenous partial agonist of the mammalian NMDA receptor.

In 2019, the United States Environmental Protection Agency issued notice of an application for an experimental use permit to be issued for use of ACC as a pesticide.

References

  1. Caspi R, Foerster H, Fulcher CA, Hopkinson R, Ingraham J, Kaipa P, et al. (January 2006). "MetaCyc: a multiorganism database of metabolic pathways and enzymes". Nucleic Acids Research. 34 (Database issue): D511-6. doi:10.1093/nar/gkj128. PMC 1347490. PMID 16381923.
  2. Brackmann F, de Meijere A (November 2007). "Natural Occurrence, Syntheses, and Applications of Cyclopropyl-Group-Containing α-Amino Acids. 1. 1-Aminocyclopropanecarboxylic Acid and Other 2,3-Methanoamino Acids". Chemical Reviews. 107 (11): 4493–4537. doi:10.1021/cr078376j. PMID 17944521.
  3. Yang S, Hoffman N (1984). "Ethylene biosynthesis and its regulation in higher plants". Annu. Rev. Plant Physiol. 35: 155–189. doi:10.1146/annurev.pp.35.060184.001103.
  4. Kende H (1993). "Ethylene biosynthesis". Annu. Rev. Plant Physiol. 44: 283–307. doi:10.1146/annurev.pp.44.060193.001435.
  5. Kende H (September 1989). "Enzymes of ethylene biosynthesis". Plant Physiology. 91 (1): 1–4. doi:10.1104/pp.91.1.1. PMC 1061940. PMID 16666977.
  6. Mou W, Kao YT, Michard E, Simon AA, Li D, Wudick MM, et al. (August 2020). "Ethylene-independent signaling by the ethylene precursor ACC in Arabidopsis ovular pollen tube attraction". Nature Communications. 11 (1): 4082. Bibcode:2020NatCo..11.4082M. doi:10.1038/s41467-020-17819-9. PMC 7429864. PMID 32796832.
  7. ^ Liu H, Khan MY, Carvalhais LC, Delgado-Baquerizo M, Yan L, Crawford M, et al. (May 2019). "Soil amendments with ethylene precursor alleviate negative impacts of salinity on soil microbial properties and productivity". Scientific Reports. 9 (1): 6892. Bibcode:2019NatSR...9.6892L. doi:10.1038/s41598-019-43305-4. PMC 6499801. PMID 31053834.
  8. Farahat MG, Mahmoud MK, Youseif SH, Saleh SA, Kamel Z (2020). "Alleviation of salinity stress in wheat by ACC deaminase-producing Bacillus aryabhattai EWR29 with multifarious plant growth-promoting attributes". Plant Archives. 20 (1): 417–429.
  9. Nelson W, van Staden J (1985). "Aminocyclopropane-1-carboxylic acid in seaweed concentrate". Botanica Marina. 28 (9): 415-417. doi:10.1515/botm.1985.28.9.415.
  10. Inanobe A, Furukawa H, Gouaux E (July 2005). "Mechanism of partial agonist action at the NR1 subunit of NMDA receptors". Neuron. 47 (1): 71–84. doi:10.1016/j.neuron.2005.05.022. PMID 15996549. S2CID 16033761.
  11. "Pesticide Experimental Use Permit; Receipt of Application; Comment Request" (PDF). Federal Register. 84 (152): 38624. August 7, 2019 – via www.govinfo.gov.
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