# ucsc refseq assembly genbank ncbi ensembl chrM NC_001328.1 MT X54252.1 MT MtDNA chrI NC_003279.8 I BX284601.5 I I chrII NC_003280.10 II BX284602.5 II II chrIII NC_003281.10 III BX284603.4 III III chrIV NC_003282.8 IV BX284604.4 IV IV chrV NC_003283.11 V BX284605.5 V V chrX NC_003284.9 X BX284606.5 X X