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. Author manuscript; available in PMC: 2009 Jul 13.
Published in final edited form as: Cell. 2009 Jan 9;136(1):149–162. doi: 10.1016/j.cell.2008.12.001

Figure 2. Ligand binding domains in most IRs lack glutamate-interacting residues.

Figure 2

(A-B) ClustalW amino acid alignments of part of the S1 (A) and S2 (B) ligand binding domains of Drosophila and human iGluRs and Drosophila IRs. The positions of key ligand binding residues in iGluRs are marked with asterisks at the top.