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Mouse ornithine decarboxylase. Complete amino acid sequence deduced from cDNA
The Journal of Biological Chemistry
|March 10, 1985
Summary
Researchers isolated mouse ornithine decarboxylase cDNA and determined its nucleotide sequence. This revealed the full amino acid sequence and predicted protein structure, offering insights into enzyme function and molecular characteristics.
Area of Science:
- Biochemistry
- Molecular Biology
- Genetics
Background:
- Ornithine decarboxylase (ODC) is a key enzyme in polyamine biosynthesis.
- Understanding ODC's structure is crucial for its functional characterization.
Purpose of the Study:
- To isolate and determine the complete nucleotide sequence of mouse ornithine decarboxylase cDNA.
- To deduce the amino acid sequence and predict the structural features of the ODC protein.
Main Methods:
- cDNA isolation and sequencing using the dideoxy method.
- Bioinformatic analysis for amino acid sequence deduction and protein property prediction.
Main Results:
- The full coding region of mouse ornithine decarboxylase cDNA was successfully isolated.
- The complete nucleotide sequence determined the amino acid sequence of 461 residues.
- Predicted molecular weight of 51,172 Da, isoelectric point of 5.1, and a structure rich in alpha-helix and beta-sheet domains.
Conclusions:
- The deduced amino acid sequence provides a detailed molecular blueprint of mouse ornithine decarboxylase.
- Predicted structural features offer insights into the enzyme's catalytic mechanism and regulation.
- This foundational data is essential for future studies on ODC function and inhibition.