5 Pharmaceutical preparations for the treatment of immune system related diseases and disorders, complement-mediated diseases and disorders, neurological diseases and disorders, and ophthalmic diseases and disorders; pharmaceutical preparations for the treatment of Guillain-Barré syndrome, macular degeneration, geographic atrophy, Huntington's Disease, amyotrophic lateral sclerosis (ALS), lupus, cold agglutinin disease (CAD), chronic inflammatory demyelinating polyneuropathy (CIDP), and myasthenia gravis (MG).