OBP2A GI:7657405 odorant binding protein 2A precursor 1 mktlflgvtl glaaalsftl eeeditgtwy vkamvvdkdf pedrrprkvs 50 51 pvkvtalggg nleatftfmr edrciqkkil mrkteepgkf sayggrkliy 100 101 lqelpgtddy vfyckdqrrg glrymgklvg rnpntnleal eefkklvqhk 150 151 glseedifmp lqtgscvleh