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A computer program to calculate and design oligonucleotide primers from amino acid sequences
1Institute for Biological Sciences, National Research Council of Canada, Ottawa, Ontario.
PrimerGen is a new computer program that converts peptide sequences into DNA sequences. This tool aids in designing oligonucleotide probes and primers for molecular biology applications like PCR and hybridization.
Area of Science:
- Bioinformatics
- Molecular Biology
- Computational Chemistry
Background:
- Designing oligonucleotide sequences for molecular biology experiments can be complex.
- Peptide data is often available, but direct translation to DNA is challenging.
Purpose of the Study:
- To present PrimerGen, a novel computer program for generating oligonucleotide sequences from peptide data.
- To facilitate the creation of synthetic DNA molecules for biological applications.
Main Methods:
- The PrimerGen program reverse-translates peptide sequences into degenerate deoxyribonucleotide sequences.
- It generates sequences for oligonucleotide synthesis.
Main Results:
- PrimerGen successfully converts peptide strings into corresponding degenerate deoxyribonucleotide sequences.
- The program outputs sequences suitable for oligonucleotide synthesis.
Conclusions:
- PrimerGen provides an efficient method for generating oligonucleotide sequences from peptide data.
- The generated sequences can be used as probes in hybridizations or as primers in polymerase chain reactions (PCR).
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Amino acids
Titration Calculations: Weak Acid - Strong Base
For the titration of 25.00 mL of 0.100 M CH3CO2H with 0.100 M NaOH, the reaction can be represented as:
Titration Calculations: Strong Acid - Strong Base
A titration is carried out for 25.00 mL of 0.100 M HCl (strong acid) with 0.100 M of a strong base NaOH. The pH at different volumes of added base solution can be calculated as follows:
(a) Titrant volume = 0 mL. The solution pH is due to the acid ionization of HCl. Because this is a strong acid, the ionization is complete and the hydronium ion molarity is 0.100 M. The pH of the solution is then:

