C. Gerday
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A DNA ligase from the psychrophile<i>Pseudoalteromonas haloplanktis</i>gives insights into the adaptation of proteins to low temperatures Open
The cloning, overexpression and characterization of a cold‐adapted DNA ligase from the Antarctic sea water bacterium Pseudoalteromonas haloplanktis are described. Protein sequence analysis revealed that the cold‐adapted Ph DNA ligase shows…
Structural characterization of a xylanase from psychrophilic yeast by mass spectrometry Open
The complete structural characterization of the xylanase, a glycoprotein constituted of 338 amino acids, from psychrophilic antarctic yeast Criptococcus albidus TAE85 was achieved both at the protein and carbohydrate level by exploiting ma…
Crystal structures of the psychrophilic alpha-amylase from Alteromonas haloplanctis in its native form and complexed with an inhibitor. Open
Alteromonas haloplanctis is a bacterium that flourishes in Antarctic sea-water and it is considered as an extreme psychrophile. We have determined the crystal structures of the alpha-amylase (AHA) secreted by this bacterium, in its native …
Cold adaptation parameters derived from cDNA sequencing and molecular modelling of elastase from Antarctic fish Notothenia neglecta Open
The primary structure of an elastase from the Antarctic fish Notothenia neglecta (NE) was elucidated by molecular cloning and cDNA sequence analysis. The cDNA of interest was isolated from a cDNA library obtained from Notothenia's pyloric …
Crystallization and preliminary X-ray diffraction studies of alpha-amylase from the antarctic psychrophile Alteromonas haloplanctis A23. Open
A cold-active alpha-amylase was purified from culture supernatants of the antarctic psychrophile Alteromonas haloplanctis A23 grown at 4 degrees C. In order to contribute to the understanding of the molecular basis of cold adaptations, cry…
View article: The beta-lactamase secreted by the antarctic psychrophile Psychrobacter immobilis A8
The beta-lactamase secreted by the antarctic psychrophile Psychrobacter immobilis A8 Open
A class C beta-lactamase has been purified from the culture supernatant of the antarctic psychrophile Psychrobacter immobilis A8. This psychrophilic beta-lactamase displays a low level of thermal stability and a low optimal temperature of …
Purification, characterization, and nucleotide sequence of the thermolabile alpha-amylase from the antarctic psychrotroph Alteromonas haloplanctis A23. Open
The alpha-amylase excreted by the antarctic bacterium Alteromonas haloplanctis was purified and the corresponding amy gene was cloned and sequenced. N- and C-terminal amino acid sequencing were used to establish the primary structure of th…
Nucleotide Sequence of the Lipase Gene <i>lip2</i> from the Antarctic Psychrotroph <i>Moraxella</i> TA 144 and Site-Specific Mutagenesis of the Conserved Serine and Histidine Residues Open
The lip2 gene from the antarctic psychotroph Moraxella TA144 was sequenced. The primary structure of the Lip2 preprotein deduced from the nucleotide sequence is composed of 433 amino acids with a predicted Mr of 47,222. This enzyme contain…
Sequence of a lipase gene from the Antarctic psychrotroph<i>Moraxella</i>TA144 Open
peer reviewed
Turtle-dove ovomucoid, a glycoprotein proteinase inhibitor with P1-blood-group antigen activity Open
Ovomucoid from the egg white of turtle-dove (Streptopelia risoria) was purified and shown to be a glycoprotein of mol. wt. 29 400, with valine as N-terminal residue. It is an inhibitor of both trypsin and chymotrypsin, but has a lower affi…