Update README.md

README.md

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----
-license: apache-2.0
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+---
+license: apache-2.0
+pretty_name: >-
+  Small sample dataset for whole-bacterial genomes clustering (Protein
+  sequences)
+tags:
+- biology
+- bacteria
+- prokaryotes
+- protein
+- bacformer
+- clusterings
+- strain
+size_categories:
+- n<1K
+---
+
+# Small sample dataset for whole-bacterial genomes clustering (protein sequences)
+
+A small sample dataset for testing strain clustering by embedding protein sequences.
+
+The genome protein sequences have been extracted from [MGnify](https://www.ebi.ac.uk/metagenomics). Each row contains a set of contigs with protein sequences present in the genome. 
+Each contig is a list of proteins ordered by their location on the chromosome or plasmid.
+
+## Usage
+
+See the [Bacformer strain clustering tutorial](https://github.com/macwiatrak/Bacformer/blob/main/tutorials/strain_clustering_tutorial.ipynb) for an example on how to use the dataset. 
+