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Protein tree and alignment for the AAAH superfamily: unrooted protein distance tree and alignment for 30 aromatic amino acid hydroxylases with phenylalanine (AAAH and PAH) or tryptophan (TPH1 and TPH2) affinity. Amino acids in the alignment are mainly present in the active pocket, amino acids colored in orange indicate conserve residues, amino acids highlighted with blue and light blue are strongly related to the substrate preference. A consensus graph is present below the alignment.
