نتایج جستجو برای: pelb
تعداد نتایج: 109 فیلتر نتایج به سال:
Tissue plasminogen activator (tPA) is a serine protease, which is composed of five distinct structural domains with 17 disulfide bonds, representing a model of high-disulfide proteins in human body. One of the most important limitations for high yield heterologous protein production in Escherichia coli (E. coli) is the expression of complex proteins with multiple disulfide bridges. In this stud...
A novel phagemid vector, named pCM, was optimized for the cloning and display of antibody fragment (Fab) libraries on the surface of filamentous phage. This vector contains two long DNA "stuffer" fragments for easier differentiation of the correctly cut forms of the vector. Moreover, in pCM the fragment at the heavy-chain cloning site contains an acid phosphatase-encoding gene allowing an easy ...
The gene pelA encoding a pectate lyase from the strain Bacillus sp. BP-23 was cloned and expressed in Escherichia coli. The nucleotide sequence of a 1214 bp DNA fragment containing pelA gene was determined, revealing an ORF of 666 nucleotides that encoded a protein of 23233 Da. The deduced amino acid sequence of the encoded enzyme showed homology to pectate lyases A, B, C and D from Fusarium so...
Although Escherichia coli can be genetically engineered to degrade environmental toxic organophosphate compounds (OPs) to nontoxic materials, a critical problem in such whole cell systems is limited substrate diffusion. The present work examined whether periplasmic expression of organophosphorus hydrolase (OPH) resulted in better whole cell enzymatic activity compared to standard cytosolic expr...
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