Error: Invalid database. Available databases are ncbi-nuccore, nuccore, ncbi-nucest, nucest, ncbi-nucgss, nucgss, ncbi-nucleotide, nucleotide, ncbi-protein, protein, ncbi-gene, gene, ncbi-homologene, homologene, ncbi-snp, snp, ncbi-mesh, mesh, ncbi-pubmed, pubmed, ebi-ena, ena, ebi-uniprot, uniprot, ebi-uniparc, uniparc, ebi-uniref100, uniref100, ebi-uniref90, uniref90, ebi-uniref50, uniref50, ddbj-ddbj, ddbj, ddbj-dad, dad, pdbj-pdb, pdb, kegg-compound, compound, kegg-drug, drug, kegg-enzyme, enzyme, kegg-genes, genes, kegg-glycan, glycan, kegg-orthology, orthology, kegg-reaction, reaction, kegg-module, module, kegg-pathway, pathway.