negative regulation of potassium ion transmembrane transport
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Any process that stops, prevents or reduces the frequency, rate or extent of potassium ion transmembrane transport. [ GOC:BHF GOC:TermGenie ]
Synonyms: down-regulation of potassium ion transmembrane transport negative regulation of potassium ion membrane transport down regulation of potassium ion transmembrane transport downregulation of potassium ion transmembrane transport