Olfactomedin 1, also known as noelin 1 or pancortin, is a protein that in humans is encoded by the OLFM1gene. The name noelin stands for "neuronal olfactomedin-related endoplasmic reticulum-localized 1".
This gene product shares extensive sequence similarity with the rat neuronal olfactomedin-related ER localized protein. While the exact function of the encoded protein is not known, its abundant expression in brain suggests that it may have an essential role in nerve tissue. Several alternatively spliced transcripts encoding different isoforms have been found for this gene.
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