Escherichia coli K99 pili are composed of one subunit species

K99 has been purified and shown to be a protein polymer composed of subunits of two different M sub(r)s: 22,500 and 29,500. A small amount of lipid may also be associated with K99. The objective of the manuscript is to report that K99 is composed of only a single subunit species even though two diff...

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Bibliographic Details
Published in:FEMS microbiology letters 1981-01, Vol.12 (3), p.229-232
Main Authors: Isaacson, Richard E., Colmenero, Jaime, Richter, Patricia
Format: Article
Language:English
Subjects:
Escherichia coli
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Summary:K99 has been purified and shown to be a protein polymer composed of subunits of two different M sub(r)s: 22,500 and 29,500. A small amount of lipid may also be associated with K99. The objective of the manuscript is to report that K99 is composed of only a single subunit species even though two different molecular weight species are observed by sodium dodecyl sulfate (SDS)-polyacrylamide gel electrophoresis.
ISSN:0378-1097
1574-6968
DOI:10.1111/j.1574-6968.1981.tb07646.x