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. 2013 May 28;6:14. doi: 10.3389/fnmol.2013.00014

Figure 1.

Figure 1

(A) Classification of glutamate receptor (B) Phylogenetic analysis of all Glu receptor protein membrane. Sequence similarity of ionotropic and metabatropic gluatamate receptor family members. Branch length reflects distances between sequences. The bar indicated the normalized distance score derived from the pairwise sequence similarity score according to Feng and Doolittle, 1987. PLC, Phospholipase C; AC, Adenylaste cylase; downwards arrow, decrease; upwards arrow, increase concentration. Adapted from Kew and Kemp (2005).