Analysis of the sequences within and flanking the cyanoglobin-encoding gene, glbN, of the cyanobacterium Nostoc commune UTEX 584.
A 3.5-kb segment of DNA containing nifU glbN nifH nifD was cloned from a gene library of Nostoc 584 and sequenced. The nifU-glbN intergenic region contains short tandemly repeated repetitive sequences (5'-AATTACG). A sequence corresponding to a NifA-like upstream activator sequence (with the consensus recognition sequence for BifA in Anabaena 7120), elements of a nifH promoter and a sequence that may function as a transcription terminator, were identified downstream from glbN. GlbN, unique to certain Nostoc spp., is more homologous to protozoan myoglobins than to any other prokaryotic, vertebrate or plant globins.
Angeloni
S V
SV
Department of Biochemistry and Anaerobic Microbiology, Virginia Polytechnic Institute and State University, Blacksburg 24061.
Potts
M
M
D000595:Amino Acid Sequence; D001483:Base Sequence; D000458:Cyanobacteria / Q000235:genetics*; D005798:Genes, Bacterial; D006454:Hemoglobins / Q000235:genetics*; D008969:Molecular Sequence Data; D012091:Repetitive Sequences, Nucleic Acid
D006454:Hemoglobins; C011207:cyanhemoglobin