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. Author manuscript; available in PMC: 2012 Jan 23.
Published in final edited form as: Methods Enzymol. 2011;492:27–59. doi: 10.1016/B978-0-12-381268-1.00014-8

Figure 2.9.

Figure 2.9

States of a single chemoreceptor. (A) The chemoreceptor can exist in four distinct states, characterized by whether or not it is occupied by a ligand and by whether it is in the active state or not. (B) The probability of being in the active (on) state is obtained by summing over the statistical weights of the states where the receptor is active and normalizing by summing over the statistical weights of all states.