The nucleotide sequence of a 5 kb EcoRI-NcoI fragment of chromosome IV
, contiguous to gene POW (CDC2), has been determined. It contains thre
e open reading frames: QRI1, QRI2 and QRI7. Two of them are essential
genes. QRI7 is homologous to the Escherichia coli orf(x) gene. Accessi
on number to EMBL/Genbank Data Library is X79380.