| hemoglobin biosynthesis in vitreoscilla stercoraria dw: cloning, expression, and characterization of a new homolog of a bacterial globin gene. | in the strictly aerobic, gram-negative bacterium vitreoscilla strain c1, oxygen-limited growth conditions create a more than 50-fold increase in the expression of a homodimeric heme protein which was recognized as the first bacterial hemoglobin (hb). the recently determined crystal structure of vitreoscilla hb has indicated that the heme pocket of microbial globins differs from that of eukaryotic hbs. in an attempt to understand the diverse functions of hb-like proteins in prokaryotes, we have c ... | 1998 | 9603838 |