with the series of mutants , the chromosomal locus of the gene for each pbc was mapped : pona ( pbc-1a ) 73.5 min , ponb ( pbc-1b ) 3.3 min , roda ( pbc-2 ) 14.4 min , ftsi ( pbc-3 ) 1.8 min , dacb ( pbc-4 ) 68 min , and daca ( pbc-5/6 ) 13.7 min .
C0008633
chromosomal
C1708726
locus