EV WP Or bcelynlirmes LABORATORY REPORT Name: Date: EXPERIMENTAL NOTES COMPLETE THE FOLLOWING TABLE TABLE 9.1 PROTEIN OR SUBSTANCE INDICATE THE WAVELENGTH(S) IN WHICH THE ABSORBANCE OF THE PROTEIN OR SUBSTANCE WILL BE MONITORED GY0 nm 280 280 Blue Dextran Cytochrome e 400 nm AND Ovalbumin hm Vitamin B12 3 60 nm STANDARDS DATA FROM GEL FILTRATION COLUMN V for Blue Dextran = 17.3mL V for vitamin B12 = 40.3mL TABLE 9.2 V. MOLECULAR WEIGHT PROTEIN av -0.068 53,000 dalfom 34,620 dlfans 13, 700 do ltans G, 311 daltons 19.3mL GLUTAMATE DEHYDROGENASE 22.3mL PEPSIN 28.6mL RNASE 33.7mL APROTININ - 103 - PARTI 1.2 Abs 280n m 0.8 Abs 360nm 1- Abs 400nm 0.6 Vo Abs 640nm 0.4 Vt 0.46 0.2 6,28 . 10 20 V 30 40 50 60 Elution Volume, ml 46 FIGURE 9.3 Elution profile on a Sephacryl S200 column CALCULATING THE MOLECULAR WEIGHT OF AN UNKNOWN Using the information provided by such a graph, one can calculate the molecular weight of an unknown component in a sample. This is done by first running a sample containing a set of known standards along with a protein which will run in the void volume and define the V of the column. The V. of the column can be either calculated, or defined by a very small molecule as described above. Using these values, one can then calculate the distribution coefficient, or K formula for calculation of K is (K) of each known standard. The average av av V.-V. V-V, Ky av Absorbance

Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter20: Dienes, Conjugated Systems, And Pericyclic Reactions
Section: Chapter Questions
Problem 20.26P
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When trying to calculate the Kav for glutamate dehydrogenase I keep getting a negative value using the given values along with those in the graph but I fear that that's not correct

EV WP
Or
bcelynlirmes
LABORATORY REPORT
Name:
Date:
EXPERIMENTAL NOTES
COMPLETE THE FOLLOWING TABLE
TABLE 9.1
PROTEIN
OR
SUBSTANCE
INDICATE THE WAVELENGTH(S) IN WHICH THE ABSORBANCE
OF THE PROTEIN OR SUBSTANCE WILL BE MONITORED
GY0 nm
280
280
Blue Dextran
Cytochrome e
400 nm
AND
Ovalbumin
hm
Vitamin B12
3 60 nm
STANDARDS DATA FROM GEL FILTRATION COLUMN
V for Blue Dextran = 17.3mL
V for vitamin B12 = 40.3mL
TABLE 9.2
V.
MOLECULAR
WEIGHT
PROTEIN
av
-0.068
53,000 dalfom
34,620 dlfans
13, 700 do ltans
G, 311 daltons
19.3mL
GLUTAMATE DEHYDROGENASE
22.3mL
PEPSIN
28.6mL
RNASE
33.7mL
APROTININ
- 103 -
PARTI
Transcribed Image Text:EV WP Or bcelynlirmes LABORATORY REPORT Name: Date: EXPERIMENTAL NOTES COMPLETE THE FOLLOWING TABLE TABLE 9.1 PROTEIN OR SUBSTANCE INDICATE THE WAVELENGTH(S) IN WHICH THE ABSORBANCE OF THE PROTEIN OR SUBSTANCE WILL BE MONITORED GY0 nm 280 280 Blue Dextran Cytochrome e 400 nm AND Ovalbumin hm Vitamin B12 3 60 nm STANDARDS DATA FROM GEL FILTRATION COLUMN V for Blue Dextran = 17.3mL V for vitamin B12 = 40.3mL TABLE 9.2 V. MOLECULAR WEIGHT PROTEIN av -0.068 53,000 dalfom 34,620 dlfans 13, 700 do ltans G, 311 daltons 19.3mL GLUTAMATE DEHYDROGENASE 22.3mL PEPSIN 28.6mL RNASE 33.7mL APROTININ - 103 - PARTI
1.2
Abs 280n m
0.8
Abs 360nm
1-
Abs 400nm
0.6
Vo
Abs 640nm
0.4
Vt
0.46
0.2
6,28 .
10
20 V
30
40
50
60
Elution Volume, ml
46
FIGURE 9.3
Elution profile on a Sephacryl S200 column
CALCULATING THE MOLECULAR WEIGHT OF AN UNKNOWN
Using the information provided by such a graph, one can calculate the molecular weight of an unknown
component in a sample. This is done by first running a sample containing a set of known standards
along with a protein which will run in the void volume and define the V of the column. The V. of the
column can be either calculated, or defined by a very small molecule as described above. Using these
values, one can then calculate the distribution coefficient, or K
formula for calculation of K is
(K) of each known standard. The
average
av
av
V.-V.
V-V,
Ky
av
Absorbance
Transcribed Image Text:1.2 Abs 280n m 0.8 Abs 360nm 1- Abs 400nm 0.6 Vo Abs 640nm 0.4 Vt 0.46 0.2 6,28 . 10 20 V 30 40 50 60 Elution Volume, ml 46 FIGURE 9.3 Elution profile on a Sephacryl S200 column CALCULATING THE MOLECULAR WEIGHT OF AN UNKNOWN Using the information provided by such a graph, one can calculate the molecular weight of an unknown component in a sample. This is done by first running a sample containing a set of known standards along with a protein which will run in the void volume and define the V of the column. The V. of the column can be either calculated, or defined by a very small molecule as described above. Using these values, one can then calculate the distribution coefficient, or K formula for calculation of K is (K) of each known standard. The average av av V.-V. V-V, Ky av Absorbance
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