negatively regulates biological regulation negative regulation of potassium ion transmembrane transport regulation of potassium ion import negative regulation of potassium ion import across plasma membrane down-regulation of potassium import Any process that stops, prevents or reduces the frequency, rate or extent of potassium ion import across the plasma membrane. biological_process inhibition of potassium import down-regulation of potassium ion uptake GO:1903287 inhibition of potassium ion uptake downregulation of potassium ion uptake negative regulation of potassium ion import down-regulation of potassium ion import downregulation of potassium import down regulation of potassium import down regulation of potassium ion import negative regulation of potassium import inhibition of potassium ion import rl down regulation of potassium ion uptake 2014-08-11T14:26:24Z downregulation of potassium ion import negative regulation of potassium ion uptake potassium ion import across plasma membrane