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Fig. 3 | BMC Evolutionary Biology

Fig. 3

From: Structural differences and differential expression among rhabdomeric opsins reveal functional change after gene duplication in the bay scallop, Argopecten irradians (Pectinidae)

Fig. 3

38 amino acid sites predicted to interact with chromophore in Gq-opsins. Predicted amino acids forming the chromophore pocket from a QM/MM model based on the Tpa-OPNGq1 crystal structure from Sekharan et al. [66]. We have inferred the putative chromophore pocket in scallop Gq-opsins by aligning all Air-OPNGqs against Tpa-OPNGq1. Blue dots indicated seven amino acid positions where all scallop Gq-opsins have the same residues and they differ from the Tpa-OPNGq1. Red dots identify the seven positions where amino acid residues differ among the four scallop Gq-opsins. Numbering is based on Tpa-OPNGq1. The residues are colored according to their physicochemical properties under the zappo color scheme in Jalview v2 [105]. Numbering of amino acid positions begins with the start codon (Met) of Tpa-OPNGq1; EC, extra cellular loop

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BMC Ecology and Evolution

ISSN: 2730-7182

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