>d1hezb1 b.1.1.1 (B:1-121) Immunoglobulin (variable domains of L and H chains) {Fab of human IgM RF 2A2} qvqlvesgggvvqpgrslrlscaasgftfsgygmhwvrqapgkglewvalisydesnkyy adsvkgrftisrdnskntlylqmnslraedtavyycakvkfydptapndywgqgtlvtvs s