ERBB2 NP_004439.2:p.L869R

**Semantic type:** Cell or Molecular Dysfunction

**Definition:** A change in the amino acid residue at position 869 in the receptor tyrosine-protein kinase erbB-2 protein where leucine has been replaced by arginine.

**Synonyms:** - Activating L869R Mutation - ERBB2 L869R - ERBB2 Leu869Arg - ERBB2 NP_004439.2:p.Leu869Arg - ERBB2 p.L869R - ERBB2 p.Leu869Arg - HER2 L869R - HER2 L869R Mutation - HER2 Leu869Arg - NP_004439.2:p.L869R - NP_004439.2:p.Leu869Arg - Proto-Oncogene Neu L869R - Proto-Oncogene Neu Leu869Arg - Receptor Tyrosine-Protein Kinase erbB-2 L869R - Receptor Tyrosine-Protein Kinase erbB-2 Leu869Arg - Tyrosine Kinase-Type Cell Surface Receptor HER2 L869R - Tyrosine Kinase-Type Cell Surface Receptor HER2 Leu869Arg