KEGG Search Variant

Search the KEGG VARIANT database for human gene variants associated with disease. KEGG VARIANT catalogs gain-of-function mutations, loss-of-function mutations, and other variants in human genes linked to cancer and other diseases. Returns variant IDs and descriptions. Example: searching 'BRAF' returns 673v1 (BRAF mutation) and 673v2 (BRAF mutation). Use KEGG_get_variant for mutation details, ClinVar/dbSNP cross-references, and associated diseases/drugs.