# gene location from start of HXB2 genome
# from http://www.hiv.lanl.gov/content/sequence/LOCATE/locate.html
gene_coord = {#gene(lowercase): [start, stop]
              'pol': [2085, 5096],
              'protease': [2253, 2549],
              'env': [6225, 8795],
              'rt': [2550, 3869]
              }