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. 2000 Jul 1;116(1):1–10. doi: 10.1085/jgp.116.1.1

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© 2000 The Rockefeller University Press

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(Top) The positive electrostatic fields of 21-amino-9α-hydroxyryanodine (right) and ryanodol (left). (Bottom) The negative electrostatic fields of the same compounds. In all cases, the wire frames indicate the surface where the electrical field strength is 10 kcal/mol. Ball and stick models of 21-amino-9α-hydroxyryanodine (right) and ryanodol (left) are shown in the same alignment. Referring to the models of 21-amino-9α-hydroxyryanodine, the pyrrole group is at the bottom left and the 21-amino group is at the top right.