Larger word sizes usually mean that there are fewer regions to evaluate (e.g., part a versus part b). Once an alignment is seeded, BLAST extends the alignment according to a threshold (T), which is ...

A FASTQ file is a text file that stores the sequence data from clusters that pass the flow cell's filter. Demultiplexing is the first phase in creating a FASTQ file if specimens were multiplexed.

Paracel's New Search Tool Makes Sequence Alignment a BLAST Courtesy of ParacelResearchers use BLAST to search previously characterized DNA or protein sequences for partial or total matches.

When filling the axes of the alignment matrix, start in the upper left corner and set it to 0. Next, assign a score for each letter in the row or column. Note that there is a penalty for gaps, and ...