TY - JOUR AU - John Kasianowicz AU - D Burden AU - L Han AU - S Cheley AU - H Bayley C2 - Biophysical Journal DA - 1999-02-01 LA - en M1 - 76 PB - Biophysical Journal PY - 1999 TI - Genetically Engineered Metal Ion Binding Sites on the Outside of a Channel's Transmembrane Β-Barrel ER -