>d1deee1 b.1.1.1 (E:2001-2107) Immunoglobulin (variable domains of L and H chains) {Fab of human IgM RF 2A2} diqmtqspsslsasvgdrvtitcrtsqsissylnwyqqkpgkapklliyaasslqsgvps rfsgsgsgtdftltisslqpedfatyycqqsysaprtfgqgtkveik