- Gene O genetic mapping protein coding gene GA_x6K02T2PBJ9-5216160-5215210|S50|MOR42-1 GA_x6K02T2PBJ9-5216160-5215210 Olfr545 olfactory receptor 545 http://identifiers.org/mgd/MGI:3030379 MGI:3030379 S50 MOR42-1