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The C-terminal part of the surface-associated protein MopE of the methanotroph Methylococcus capsulatus (Bath) is secreted into the growth medium
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UNSPECIFIED (2001) The C-terminal part of the surface-associated protein MopE of the methanotroph Methylococcus capsulatus (Bath) is secreted into the growth medium. ARCHIVES OF MICROBIOLOGY, 176 (3). pp. 197-203. ISSN 0302-8933.
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Abstract
A protein with an apparent molecular mass of 46 kDa was detected as the major polypeptide in the culture medium of the biotechnologically important methanotrophic bacterium Methylococcus capsulatus (Bath). The protein cross-reacted with polyclonal antibodies raised against the outer-membrane-associated protein MopE. The antiserum was used to identify a positive clone from a lambda gt11 library. The nucleotide sequence determined for the clone demonstrated that MopE and the secreted protein are encoded by the same gene, and that the secreted protein represents an N-terminally truncated form of MopE. By using monospecific antibodies against MopE in immunogold electron microscopy, the protein was localized at the cell surface and cell periphery. The mopE gene was expressed in Escherichia coli. The MopE protein synthesized was found in the periplasmic space of E. coli. No protein with sequence similarity over the entire length of MopE was detected in the databases, but some sequence similarity to the copper-repressible CorA protein of the methanotroph Methylomicrobium albus (Berson and Lidstrom 1997) was observed for the C-terminal region of MopE.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QR Microbiology | ||||
Journal or Publication Title: | ARCHIVES OF MICROBIOLOGY | ||||
Publisher: | SPRINGER-VERLAG | ||||
ISSN: | 0302-8933 | ||||
Official Date: | September 2001 | ||||
Dates: |
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Volume: | 176 | ||||
Number: | 3 | ||||
Number of Pages: | 7 | ||||
Page Range: | pp. 197-203 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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