KCNE4 strongly inhibits the KCNQ1 potassium channel , which is known to play important roles in human cardiac myocyte repolarization , and in multiple epithelial cell types .
PROPN ADV VERB DET PROPN NOUN NOUN , DET AUX VERB PART VERB ADJ NOUN ADP ADJ ADJ NOUN NOUN , CCONJ ADP ADJ ADJ NOUN NOUN .