>d1hezb2 b.1.1.2 (B:122-224) Immunoglobulin heavy chain mu constant domain 1, CH1-mu {Human (Homo sapiens) [TaxId: 9606]} gsasaptlfplvscvavgclaqdflpdsitfswkyknnsdisstrgfpsvlrggkyaats qvllpshvvckvqhpngnkekdvplp