<prompt> Characteristic feature of Goodpastures syndrome?Lumpy-bumpy deposits on immunofluorescenceSerum antibodies against alpha 3 NC 1 domain of collagen-IVSerum antibodies against alpha 1 NC 1 domain of collagen IIIAnti DNAse antibodies positive  <response>: In Goodpasture syndrome, type 1 RPGN type II hypersensitivity reaction are seen. It is characterized by serum antibodies against alpha 3 NC1 domain of collagen - IV. Lumpy-bumpy deposits on immunofluorescence- seen in Post Streptococcal GN 