In 2014 NCBI introduced the RefSeq system and changed the locus_tag names of most genomes
Use the Genome2D conversion tool to translate old_locus_tag (Genbank) to locus-tags (RefSeq) or vice-versa
Just type parts of the name of a genome until the selection is less than 15
e.g. to find Bacillus subtilis 168, just type: 168 subt