Cryptocurrency Q&A What is the max score in BLAST?

What is the max score in BLAST?

GyeongjuGloryDaysFestival GyeongjuGloryDaysFestival Sun Oct 20 2024 | 5 answers 910
I'm curious about the BLAST algorithm used in bioinformatics. Specifically, I want to know what the maximum possible score is in a BLAST search. Is there a defined upper limit or does it vary based on certain parameters? What is the max score in BLAST?

5 answers

Davide Davide Tue Oct 22 2024
The calculation process involves a delicate balance between rewarding positive matches and penalizing negative ones. For every nucleotide that aligns perfectly between the two sequences, a reward is assigned, contributing positively to the overall score. Conversely, any deviation from this perfect alignment, be it a mismatch or a gap, incurs a penalty, detracting from the score.

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SejongWisdom SejongWisdom Tue Oct 22 2024
The pursuit of the Maximum Score is a fundamental aspect of sequence alignment algorithms. These algorithms strive to find the optimal alignment that maximizes the sum of rewards while minimizing the penalties, thereby yielding the highest possible score. This score serves as a quantitative measure of the similarity or relatedness between the two sequences being analyzed.

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CherryBlossomFalling CherryBlossomFalling Tue Oct 22 2024
The concept of Maximum Score, in the realm of bioinformatics and sequence alignment, refers to the pinnacle of alignment quality achieved through a meticulous calculation. This score encapsulates the essence of how well two nucleotide sequences align, taking into account both the rewards garnered from matching nucleotides and the penalties incurred due to mismatches and gaps.

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