BLAST is a sequence alignment.
The NCBI free-to-use BLAST server: blast.ncbi.nlm.nih.gov/Blast.cgi. Having a centralized query server is fundamental, because the gain of sequence alignment really comes from having one huge database to link information together, which is best centralized.
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BLAST, which stands for Basic Local Alignment Search Tool, is a bioinformatics program primarily used to compare biological sequences, such as DNA, RNA, or protein sequences. It is widely employed in biotechnology and molecular biology for various purposes, including: 1. **Sequence Alignment**: BLAST allows researchers to find regions of similarity between biological sequences, helping to identify homologous genes or proteins across different organisms.