The dependence of the sedimentation coefficient (s) of a spherical protein on its mass should be determined. The rate of sedimentation of 80-kDa protein than 40-kDa protein should be determined. Concept introduction: The sedimentation coefficient can be defined as a quantity associated with the microscopic particle size. It is equal to the particle’s terminal external velocity. It occurs when intermediate is centrifuged in a fluid divided by the centrifugal force acting on it. It is represented in units of time.

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Purification of a new unknown protein that you isolated from tissue and Assume that you have reached the following data during the characterization; Gel filtration: Gel filtration in protein native conformation When chromatographed, it has a molecular weight of 240000 daltons (240 kDa) is detected to be around. Gel filtration: The same protein is first denatured with 6 M guanidinium hydrochloride subjected to gel filtration chromatography again under denatured conditions. is retained, and the only column from the column with a molecular weight of about 60000 daltons (60 kDa) a protein is obtained. SDS-PAGE: Protein finally SDS-PAGE in the presence of beta-mercaptoethanol (Sodium dodecyl-sulphate polyacrylamide gel electrophoresis) analysis being held. As a result of SDS-PAGE analysis, their weight in the gel is approximately 40000 daltons. Two protein bands corresponding to (40 kDa) and 20000 daltons (20 kDa) is observed. In the light of these findings, the quaternary/quaternary…

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Chapter 3, Problem 8P

Interpretation Introduction

Interpretation:

The dependence of the sedimentation coefficient (s) of a spherical protein on its mass should be determined. The rate of sedimentation of 80-kDa protein than 40-kDa protein should be determined.

Concept introduction:

The sedimentation coefficient can be defined as a quantity associated with the microscopic particle size. It is equal to the particle’s terminal external velocity. It occurs when intermediate is centrifuged in a fluid divided by the centrifugal force acting on it. It is represented in units of time.

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Purification of a new unknown protein that you isolated from tissue and Assume that you have reached the following data during the characterization; Gel filtration: Gel filtration in protein native conformation When chromatographed, it has a molecular weight of 240000 daltons (240 kDa) is detected to be around. Gel filtration: The same protein is first denatured with 6 M guanidinium hydrochloride subjected to gel filtration chromatography again under denatured conditions. is retained, and the only column from the column with a molecular weight of about 60000 daltons (60 kDa) a protein is obtained. SDS-PAGE: Protein finally SDS-PAGE in the presence of beta-mercaptoethanol (Sodium dodecyl-sulphate polyacrylamide gel electrophoresis) analysis being held. As a result of SDS-PAGE analysis, their weight in the gel is approximately 40000 daltons. Two protein bands corresponding to (40 kDa) and 20000 daltons (20 kDa) is observed. In the light of these findings, the quaternary/quaternary…

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