Man pages matching name bio::tools::seqpattern::backtranslate in section 3pm:

Bio::Tools::SeqPattern::Backtranslate.3pm.en	debian 10 / libbio-perl-perl
Bio::Tools::SeqPattern::Backtranslate.3pm.en	debian 11 / libbio-perl-perl
Bio::Tools::SeqPattern::Backtranslate.3pm.en	debian 12 / libbio-perl-perl