Dataset for gene family expansion‑contraction and GO enrichment analyses of deep‑sea chiton <i>Pycnodontochiton sinensis</i>

<p dir="ltr">This supporting dataset includes input files and analysis outputs for CAFE5 gene‑family expansion‑contraction, together with GO enrichment results for the deep‑sea seep chiton <i>Pycnodontochiton sinensis</i>.</p><ul><li><code>SpeciesTree_rooted.txt</code>: Rooted species phylogenetic tree used for CAFE5 analysis</li><li><code>Orthogroups.GeneCount.tsv</code>: Orthogroup gene‑count matrix, input for CAFE5</li><li><code>Base_clade_results.txt</code>: CAFE5 clade‑level gene family expansion and contraction statistics</li><li><code>Base_family_results.txt</code>: CAFE5 gene‑family‑wise expansion‑contraction output</li><li><code>Base_change.tab</code>: Gene family size count matrix across analysed species</li><li><code>expansion_GO.xls</code>: GO enrichment results for expanded gene families</li><li><code>positive_selection_GO.xls</code>: GO enrichment results for genes under positive selection</li></ul><p dir="ltr">These raw and derived data support the deep‑sea adaptation analysis in the associated manuscript.

Please cite the corresponding manuscript when using these data.</p>