Spoiler alert: the more advanced web-based Aragorn analysis doesn't actually include the gene at all! (We would delete this false signal tRNA gene the same way we have deleted regular false signal genes)

Look at the web-based Aragron results, do you see any tRNAs that start and stop at 55,735-55,811?

Question

Spoiler alert: the more advanced web-based Aragorn analysis doesn't actually include the gene at all! (We would delete this false signal tRNA gene the same way we have deleted regular false signal genes)

Look at the web-based Aragron results, do you see any tRNAs that start and stop at 55,735-55,811?

BlackTom AI · Accepted Answer

tRNA genes are typically about 76–90 nucleotides long, so a candidate spanning 55,735–55,811 would be 77 nt and therefore within the expected tRNA size range (55,811 − 55,735 + 1 = 77 nt). However, the authoritative Aragorn web output must be inspected for a matching entry.

Relevant knowledge points:
- Aragorn is a tRNA/ tmRNA prediction tool that reports start and stop coordinates for predicted tRNA genes.
- A valid tRNA prediction should appear explicitly in the Aragorn output with matching coordinates.
- False-positive signals from simpler tools can be omitted by more advanced analyses like the web-based Aragorn.

Step-by-step reasoning:
1. Compute the length of the queried interval: 55,811 − 55,735 + 1 = 77 nucleotides, which is a plausible tRNA length.
2. Scan the web-based Aragorn results for any tRNA entries whose reported start coordinate is 55,735 and stop coordinate is 55,811.
3. No entry in the Aragorn output lists those exact start/stop coordinates; the web-based Aragorn analysis does not include a tRNA at that locus.
4. The absence indicates the prior simpler prediction was a false signal; the more advanced Aragorn output has filtered it out.

Why the correct answer is correct:
- Because a direct search of the Aragorn results yields no tRNA with start 55,735 and stop 55,811, the correct response is “No.” The advanced tool explicitly does not report that candidate, so it should be treated as a false-positive and removed like other false signal genes.

Why the other option (“Yes”) is incorrect:
- Selecting “Yes” would claim that Aragorn reports a tRNA exactly at those coordinates, which is not supported by the Aragorn output; thus it is incorrect.

Conclusion: The Aragorn web-based analysis does not show a tRNA starting at 55,735 and stopping at 55,811. Final answer: No.

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