Analyzing Promoter Regions in Maize Genes For this analysis first download all the files mentioned in the command using this https://ftp.ensemblgenomes.ebi.ac.uk/pub/plants/release-48/fasta/zea_mays/dna/ https://ftp.ensemblgenomes.ebi.ac.uk/pub/plants/release-48/gff3/zea_mays/Zea_mays.B73_RefGen_v4.48.chr.gff3.gz