Bioinformatics is the subject of today's science. Various Bioinformatics tools are available online. Scholars like to search mainly  NCBI blastp, NCBI blastn, NCBI ftp site, NCBI nucleotide blast, primer blast NCBI, blast 2, blast search, and various other keywords related to Bioinformatics tools.

In this post, you will learn:

  • How to download/copy genome sequence 
  • How to change genome format (FASTA Format)
  • How to run BLAST on gene/protein sequence  

Download NCBI gene sequence 

   Search NCBI on the google page.
   Click on National Center for Biotechnology Information
   Select gene/protein from “all database" option



   Write the name of the protein/gene on the box and click on "Search" as shown above.
   All reports, related to the topic will appear, click on desire report to get a complete version.



Copy the sequence given on the last of the page in the heading of ORIGIN by pressing Ctrl+C.
Note: Don’t copy "digits" and "//" as shown below.


Save this sequence by pasting in a word file. Use this sequence for the required purposes.



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How to get FASTA format

To get FASTA format, follow the procedure discussed above and click on FASTA” on the top of page.



Sequence after applying FASTA 




How to run BLAST 

   Search NCBI on the google page.
   Click on National Center for Biotechnology Information
   Click on Resource List (A-Z)


Click on Basic Local Alignment Search Tool (BLAST) 



Click on Nucleotide Blast/Protein Blast



Paste the sequence in the following box and click on "Blast"
Color map of protein/gene sequence (Graphic summary) will appear with a complete description. As shown below: `



 Redline shows that only with 2 organisms it has 100% similarity.
 The purple line shows that with a few organisms it has less than 80% similarity.
 Green shows that with some organisms it has similarity up to 50% 
  Blue shows that with most organism it has a similarity between 40 to 50%
  Black shows that with some organism it shows a similarity less than 40%.



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