pyrabactin

P3Y4R1A1B3A1C3T1I1N1

noun

A synthetic sulfonamide, 4-bromo-N-(2-pyridinylmethyl)-1-naphthalenesulfonamide, that mimics the plant stress hormone abscisic acid.

Scrabble 19
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Meanings

nounpyrabactin (uncountable)
  1. uncountableA synthetic sulfonamide, 4-bromo-N-(2-pyridinylmethyl)-1-naphthalenesulfonamide, that mimics the plant stress hormone abscisic acid.

    The abscisic acid ligand structure ((+)-ABA; PDB ID: A8S)) was obtained from the ABA-bound pyrabactin resistance domain of the ABA intracellular receptor (PDB ID: 3ZVU).

    2015 July 22, “Identification of Interactions between Abscisic Acid and Ribulose-1,5-Bisphosphate Carboxylase/Oxygenase”, in PLOS ONE, →DOI
Cite this entry
APA

pyrabactin. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/pyrabactin

MLA

“pyrabactin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/pyrabactin. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “pyrabactin,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/pyrabactin.

Source: pyrabactin on Wiktionary, CC BY-SA 4.0.