The product of the Klebsiella pneumoniae nitrogen regulatory gene ntrC has been purified
and shown to be a dimeric protein of subunit molecular weight 54Kd, designated NtrC. In an …

Three proteins involved in nitrogen regulation In Klebsiella pneumoniae, NTRA, NTRB and
NTRC, have been purified. In a defined in vitro system all three NTR proteins are required …

The nucleotide sequence of the Klebsiella pneumoniae ntrB gene and the glnA-ntrBC
intergenic region has been determined. NtrB encodes a 38,409 Dalton polypeptide with a …

Certain mutations in the nifL gene of the Klebsiella pneumoniae nitrogen fixation (nif) gene
cluster resulted in altered nif regulaiton such that nitrogenase synthesis was no longer …

ntr (nitrogen regulated) and nif (nitrogen fixation) promoters are structurally similar to each
other but bear no resemblance to canonic Escherichia coli promoters. ntr promoters are …

The glanA, ntrB and ntrC genes of Klebsiella pneumoniae have been cloned, on a 12 kb
Hind III fragment, into the plasmid pACYC 184. In a coupled in vitro transcription/translation …

We have determined the nucleotide sequences of two genes from Klebsiella pneumoniae,
nifA, the nif‐specific activator of transcription and ntrC, the bifunctional regulatory protein …

The ntrC and nifA gene products of Klebsiella pneumoniae are transcriptional activators
involved in general nitrogen control and nif‐specific regulation, respectively. Multicopy …

In vitro transcription from the promoter for the nitrogen fixation regulatory operon nifLA of K.
pneumoniae requires four protein fractions: the core form of RNA polymerase; NTRA, an …

We have constructed mutations in what we predict to be the DNA-recognition helix of
Klebsiella pneumoniae NtrC, which regulates transcription from promoters under global …