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. 2013 May;345(2):189–197. doi: 10.1124/jpet.112.201046

Fig. 1.

Fig. 1.

Helix net representation of the hCB1 receptor sequence. The most highly conserved residue position in each transmembrane helix across class A GPCRs is highlighted in bold. The amino acids mutated in this study are highlighted in red.