The present invention relates to monoclonal antibody 1A7. This is an anti-idiotype produced by immunizing with an antibody specific for ganglioside GD2, and identifying a hybridoma secreting antibody with immunogenic potential in a multi-step screening process. Also disclosed are polynucleotide and polypeptide...http://www.google.de/patents/US6509016?utm_source=gb-gplus-sharePatent US6509016 - Monoclonal antibody 1A7 and use for the treatment of melanoma and small cell carcinoma