16S rRNA Refseq Genomic RefSeq
HOMD 16S rRNA Sequence Identification
This tool identifies the closest matches of 16S rRNA sequences submitted by users among the HOMD or other 16S rRNA gene sequences. The sequence search is based on the NCBI BLASTN version 2.2.23 [Feb-03-2010] [Detail]
Upload your 16S rRNA sequences:
Copy and paste sequence(s) below, preferably in FASTA format:
 
Or upload a sequence file from your computer
(Note1: Multiple sequences can be uploaded, please check examples on sequence formats and restrictions.)
(Note2: current limit of number of sequences is 5000)
 
Adjust Blast parameters: (Optional)
Blastn database:     [ RefSeq Revision History ]
Expect:     Filter Low complexity
Descriptions:    Alignments:
Other advanced options: (click here for previous HOMD default -q -5 -r 4 -G 5 -E 5)
Sort results by Score (bits) Percent Identity (New option!)
 

Make sure you click the submit button only once!
The more sequences you upload the longer it takes to go to next page.
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