Olfactory marker protein contains a leucine-rich domain in the Ω-loop important for nuclear export.

"additional file 1: the raw data"

"Declarations Ethics approval and consent to participateAll animal experiments were approved by the Kurume University Animal Care and Use Committee (2022-018). Consent for publicationNot applicable. Competing interestsThe authors declare that they have no competing interests. Competing interests The authors declare that they have no competing interests."

"Funding This work was financially supported by the Kaibara Morikazu Medical Science Promotion Foundation (Reiwa 2) and the Naito Foundation to NN; the Kurume University Uchimura Fund for the Promotion of Female Researchers (PhD Candidates) and the Ishibashi Foundation of the Promotion of Science to AN; and JSPS KAKENHI grants to NN [21H02666], AN [20K16125] and KN [22K08429]."