BE.109:Protein engineering

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'''[[BE.109:Protein engineering/Possible Topics for Student Presentations | Day 4: Possible Topics for Student Presentations]]'''
'''[[BE.109:Protein engineering/Possible Topics for Student Presentations | Day 4: Possible Topics for Student Presentations]]'''
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==References==
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'''Note:''' PDF reprints are provided below within the context of [http://www.copyright.gov/fls/fl102.html fair use]. Please obtain copies from the publisher if appropriate.
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#'''A new code for life'''<br>''EMBO Reports'' 2004 '''5(4)''':336-339<br> Rinaldi A.<br> [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?CMD=search&DB=pubmed URL] [[Image:Macintosh HD-Users-nkuldell-Desktop-BE109-BE109 lab manual S06-Mod2 (S06)-newcodeforlife EMBORep04.pdf| PDF reprint]]
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#'''The structure of E. coli beta-galactosidase'''<br> ''CR Biol'' 2005 '''328(6)''':549-556<br> Matthews B.W.<br> [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=pubmed&dopt=Abstract&list_uids=15950161&query_hl=4&itool=pubmed_docsum URL] [[Image:Macintosh HD-Users-nkuldell-Desktop-BE109-BE109 lab manual S06-Mod2 (S06)-B-galReview CRBiol05.pdf | PDF reprint]]<br>
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Revision as of 07:57, 7 January 2006

BE.109 Laboratory Fundamentals of Biological Engineering

Image:BE LongImage-1.jpg

Home        Getting started        Lab        Presenting your work        People        Schedule       

DNA engineering        Protein engineering        Systems engineering        Bio-material engineering       


Module 2

Instructor: Natalie Kuldell

TA: Maria Foley

In this experimental module you will study an enzyme with a remarkable history, beta-galatosidase. "Beta-gal" as it's affectionately called had a starring role in the development of the operon model for gene regulation and continues to be a lab workhorse for gene expression studies. In bacteria, this enzyme hydrolyzes the disaccharide, lactose, into two simpler sugars, glucose and galactose. You will be measuring the efficiency of the enzymatic reaction using an artificial substrate, ONPG, which yields a yellow product when it is cleaved by beta-gal. Using a specialized bacterial strain, you will overexpress beta-gal to purify and analyze. Finally, you will test the effect of replacing a natural amino acids in beta-gal with an unnatural amino acid of your choosing, looking at the effect of such a substitution on the expression and activity of the modified enzyme. Image:Macintosh HD-Users-nkuldell-Desktop-proteng.png

Lab handouts

Day 1: Tools for Protein engineering

Day 2: Assessing beta-galactosidase

Day 3: Purifying beta-galactosidase

Day 4: Possible Topics for Student Presentations

References

Note: PDF reprints are provided below within the context of fair use. Please obtain copies from the publisher if appropriate.

  1. A new code for life
    EMBO Reports 2004 5(4):336-339
    Rinaldi A.
    URL Image:Macintosh HD-Users-nkuldell-Desktop-BE109-BE109 lab manual S06-Mod2 (S06)-newcodeforlife EMBORep04.pdf
  2. The structure of E. coli beta-galactosidase
    CR Biol 2005 328(6):549-556
    Matthews B.W.
    URL Image:Macintosh HD-Users-nkuldell-Desktop-BE109-BE109 lab manual S06-Mod2 (S06)-B-galReview CRBiol05.pdf


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