Protein
Odorant receptor 4
Function
Odorant receptor that specifically recognizes the human odorant sulcatone (6-methylhept-5-en-2-onesul), a volatile odorant emitted at uniquely high levels in humans, thereby playing a key role in mosquito's preference in biting human compared to other animals.
Similarity
Belongs to the heteromeric odorant receptor channel (TC 1.A.69) family.
Sequence
MTQSLEFDQTFGFIAKVLQMIGYPSCLAPYPTTFASRLKSSAGFVVCFLMLTYCVFGQIINIGLLMMGHRQTDQVVEEVAIQVSSTGFCIIGLAKMYSLSYNRAILSWLIADFRVKWNAGELTDKDRSIRDGTLRPTVAITTVAALGNIIMVSAFNFQPVVEMIYGRVVTGEWVKLFPYVIWFPFNSTHGAIYYLVYLFEVYSGVIVAVGNVGFNCIFCLLTSHLSMQLKLLCSWIEDMVEVEDEKGVQSKKKLYRIVRYHQDLIRGRNALQSMFSTTLFLNFSASSVLMCMQLYLITTAGITLMVKFTLFMLCILMEIFILCYYGEEILANSSSIAAGAFNSNWYQSKVSQQNPRFGKNLIPIIQQGQRPMVLTAWKFWPITIRTFSAILQTSWSYFTLLKTVMH