The following is a segment of the template strand of human BRCA1 gene:
TGG AAT TAT CTG CTC TTC GCG
b. Write the three-letter and one-letter abbreviations for the corresponding peptide segment.

Question

The following is a segment of the template strand of human BRCA1 gene:

TGG AAT TAT CTG CTC TTC GCG

b. Write the three-letter and one-letter abbreviations for the corresponding peptide segment.

Accepted Answer

All right. Hello everyone. So this question is asking us to consider the template DNA strand from three prime to five prime TT A GCGCT CAA GTC using three letter and one letter abbreviations provide the peptide sequence coded by the strap. So here, let's take things step by step, right? Our given is that we have our DNA sequence running from three prime to five prime, that's TT A GCG CT A CAA GTC and that's the five prime end. So our first step is to account for transcription, right, which is taking our DNA and converting that into Mrna. So to do that recall that the MRN A is going to run in the opposite direction this time from five prime to three prime. So to find the resulting Mrna sequence, we have to recall the base pairing rules. So when it comes to MRN A Adenine pairs with Uracil and vice versa, and cytosine pairs with guanine and vice versa. Now, because we're starting with DNA thine in DNA would result in Adenine in the MN. So with that in mind, our MRN a sequence running from again, five prime to three prime would be a au CGC Gau Guu cag. So now it's this MRN A sequence that we can then use to find the amino acid sequence. This is accounting for translation. But here it's important to recognize that the MRN A has to be coded or excuse me split into codons for the translation process. So coons are triplets of nucleotides that code for either one amino acid or a start or stop signal for translation. So the good news is that our MRN A sequence is already split into codons. And so each one can be translated into an amino acid using the genetic code chart. Our first code on A AU codes for Aspar. So the three letter abbreviation for asparagine is a SN and the one letter abbreviation is N. After that, we have CGC which codes for arginine, three letter abbreviation A RG and one letter abbreviation art. After that, we have GAU which codes for Aspartic acid. So that's a SP or the letter D up next is G which codes for ving. So that's VA L and or the letter V, that's the three letter code, excuse me. One letter code. Our last code on here is CAG, which codes for glutamine. So that's GLN or the letter Q and there you have it. So here our amino acid sequence represented as three letter abbreviations is a Snarg A SPV A LGLN using the one letter abbreviations. It's NRDVQ. And so with that being said, thank you. So very much for watching. And I hope you found this helpful.

The following is a segment of the template strand of human BRCA1 gene:
TGG AAT TAT CTG CTC TTC GCG
b. Write the three-letter and one-letter abbreviations for the corresponding peptide segment.

Verified video answer for a similar problem:

Key Concepts

DNA and RNA Transcription

Codons and Amino Acids

Peptide Abbreviations

The following is a segment of the template strand of human BRCA1 gene:TGG AAT TAT CTG CTC TTC GCGb. Write the three-letter and one-letter abbreviations for the corresponding peptide segment.

Verified video answer for a similar problem:

Key Concepts

DNA and RNA Transcription

Codons and Amino Acids

Peptide Abbreviations

The following is a segment of the template strand of human BRCA1 gene:
TGG AAT TAT CTG CTC TTC GCG
b. Write the three-letter and one-letter abbreviations for the corresponding peptide segment.