Churcher, Allison M Amphioxus (Branchiostoma floridae) has orthologs of vertebrate odorant receptors. [electronic resource] - BMC evolutionary biology Oct 2009 - 242 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1471-2148 Standard No.: 10.1186/1471-2148-9-242 doi Subjects--Topical Terms: Amino Acid MotifsAnimalsChordata, Nonvertebrate--geneticsEvolution, MolecularFishes--geneticsMarkov ChainsPhylogenyReceptors, Odorant--geneticsSequence AlignmentSequence Analysis, ProteinSequence Homology, Amino Acid