Fig. 3-5: Analysis of interface of activated GABAB receptor. (a) The position distribution of the interface formed between the two subunits of a)GABAB receptor, the interface formed directly by the two subunits of purple, and the indirect interface formed indirectly by PAM in red. (b) After the activation of b)GABAB receptor, the interface of its TM was rearranged, from the interface of TM3/TM5-TM3/TM5 to the interface of TM6/TM6. (c) Detailed interaction of amino acids in the interface. The red is GB1 subunit and the green is GB2 subunit.
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