Sm When proteins are solubilized in inclusion bodies from an E Coli cell lysate, they are unfolded. How do we know from this purification table that the plasminogen has been refolded to its natural (native) state? [Select]

Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
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Answer questions about the following Purification Table
for the purification of plasminogen.
Table 1
Purification of recombinant plasminogen (TAL6003 zymogen) from E coli inclusion bodies.
Purification step
Protein concentration
Total protein
(mg)b
Total activity
(mg)b
Cumulative
Specific
activity
(mg/ml)
activity yield (%)*b
Solubilized inclusion bodies (26 g)
Refolded TAL6003 zymogen
(Post-refold filtrate TAL6003 zymogen)
(Diafiltration retentate TAL6003 zymogen)
(Pre-SP Sepharose filtrate TAL6003 zymogen)
SP Sepharose eluate TAL6003 zymogen
ECH Lysine eluate TAL6003 zymogen
8.88
4,491
5,205
0.51
1,743
1,730
1,542
1,379
0.34 :
0.38
4,354
0.36
3,411
3,313
1,282
1,184
0.49 :
0.33
0.42:
2.31
6.20
1,270
1,195
0.99 :
1.011
When proteins are solubilizeain inclusion bodies from an
E Coli cell lysate, they are unfolded. How do we know
from this purification table that the plasminogen has been
refolded to its natural (native) state?
[ Select ]
Which step of the purification enhances the purity of the
protein the most? [ Select ]
What is the percent yield of plasminogen for the entire
purification? [ Select]
Transcribed Image Text:Answer questions about the following Purification Table for the purification of plasminogen. Table 1 Purification of recombinant plasminogen (TAL6003 zymogen) from E coli inclusion bodies. Purification step Protein concentration Total protein (mg)b Total activity (mg)b Cumulative Specific activity (mg/ml) activity yield (%)*b Solubilized inclusion bodies (26 g) Refolded TAL6003 zymogen (Post-refold filtrate TAL6003 zymogen) (Diafiltration retentate TAL6003 zymogen) (Pre-SP Sepharose filtrate TAL6003 zymogen) SP Sepharose eluate TAL6003 zymogen ECH Lysine eluate TAL6003 zymogen 8.88 4,491 5,205 0.51 1,743 1,730 1,542 1,379 0.34 : 0.38 4,354 0.36 3,411 3,313 1,282 1,184 0.49 : 0.33 0.42: 2.31 6.20 1,270 1,195 0.99 : 1.011 When proteins are solubilizeain inclusion bodies from an E Coli cell lysate, they are unfolded. How do we know from this purification table that the plasminogen has been refolded to its natural (native) state? [ Select ] Which step of the purification enhances the purity of the protein the most? [ Select ] What is the percent yield of plasminogen for the entire purification? [ Select]
When proteins are solubilized in inclusion bodies from an
E Coli cell lysate, they are unfolded. How do we know
from this purification table that the plasminogen has been
refolded to its natural (native) state?
[ Select ]
Which step of the purification enhances the purity of the
protein the most? [ Select]
What is the percent yield of asminogen for the entire
purification? [ Select]
What is the fold purification for the entire purification
procedure [Select ]
Transcribed Image Text:When proteins are solubilized in inclusion bodies from an E Coli cell lysate, they are unfolded. How do we know from this purification table that the plasminogen has been refolded to its natural (native) state? [ Select ] Which step of the purification enhances the purity of the protein the most? [ Select] What is the percent yield of asminogen for the entire purification? [ Select] What is the fold purification for the entire purification procedure [Select ]
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