a 1.6-kb mspi-hindiii chromosomal dna segment , carrying the complete coding region of the 6-phosphomannose isomerase ( pmi ) structural gene , mana , and the 5 ' end of the gene encoding the major fumarase activity , fuma , of escherichia coli k-12 , has been sequenced using the chain termination method .
C0008633
chromosomal
C0079941
coding