>d1deec1 b.1.1.1 (C:1001-1107) Immunoglobulin (variable domains of L and H chains) {Fab of human IgM RF 2A2} diqmtqspsslsasvgdrvtitcrtsqsissylnwyqqkpgkapklliyaasslqsgvps rfsgsgsgtdftltisslqpedfatyycqqsysaprtfgqgtkveik