MGI:88397 O M2 Chrm2 cholinergic receptor, muscarinic 2, cardiac Chrm-2 muscarinic acetylcholine receptor 2 AChR M2 + protein coding gene AChR M2|M2|muscarinic acetylcholine receptor 2|Chrm-2 http://identifiers.org/mgd/MGI:88397 genetic mapping Gene