MetaMetaDB

Download the Dataset

To get all of the representative 16S rRNA sequences, please click here (FASTA format, 205 MB).
To get the taxonomic information corresponding to the 16S rRNA sequences, please click here (tab-delimited text file, 20 MB).
To get pre-calcualted MHIs of 16S rRNA sequences in 'The All-Species Living Tree' Project, please click here (4 MB).

Currently, MetaMetaDB contains 2,949,852 representative 16S rRNA sequences from 61 diverse environments. (data by November 6, 2014)
Previous data can be downloaded from the archive.

To know how the terms of environmental categories and the sequences are from, please check Q & A: Q5 and Q6.
For more details about the database, please refer to our article.

Number of representative 16S rRNA sequences in each environmental category is shown as follows.
Colors are used to present environmental category in the output. (An example is in Q & A: Q3)