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Posted By: Sra1 Member Level: Diamond Posted Date: 02 Jun 2008
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2008 Jawaharlal Nehru Technological University Biotechnology PROTEIN ENGINEERING (III B.Tech II Semester Supplimentary Examinations, Apr/May 2008) Question paper
Set No 4
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III B.Tech II Semester Supplimentary Examinations, Apr/May 2008
PROTEIN ENGINEERING
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
* * * * *
1. Write down the structure for the following amino acids
(a) Glycine
(b) Alanine
(c) Tyrosine
(d) Tryptophan
(e) Histidine
(f) Phenyl alanine
(g) Cysteine
(h) Iso-leucine [2×8]
2. Describe the role of hydrogen bonds in tertiary structure of protein. [16]
3. Define post-translational Modification? Explain Post-translational modification by alteration of chain termini? [16]
4. Explain in detail about the different Transcription factors that contains Zinc as an essential element of their DNA binding domains? [16]
5. (a) What are proteases.
(b) Describe different classes of proteases with examples.
(c) Explain the action of serine proteases in details. [5+6+5]
6. Explain the make up of photosynthetic center and their action with respect to their structure. [16]
7. Write about Pattern databases for storing information about protein families and motifs? [16]
8. Describe the basic principles with respect to protein design. [16]
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