TY - JOUR AU - Burden, D AU - Kasianowicz, J. AU - Han, L AU - Cheley, S AU - Bayley, H C2 - Biophysical Journal DA - 1999-12-01 LA - en M1 - 76 PB - Biophysical Journal PY - 1999 TI - Genetically Engineered Metal Ion Binding Sites on the Outside of a Channel's Transmembrane B-Barrel ER -