1843
This protein had physical properties similar to those of other enterobacterial porins , including apparent formation of an oligomer on sodium dodecyl sulfate - polyacrylamide gels when solubilized at low temperature , acidic isoelectric point , and strong noncovalent association with the peptidoglycan .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
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