Organelle Genome Resources
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   About the Organelle Reference Sequences

This collection of eukaryotic organelle complete genome sequences is a part of the NCBI Reference Sequence (RefSeq) project that provides curated sequence data and related information for the community to use as a standard. At present, only the animal (metazoan) mitochondrial sequences are considered "reviewed", that is, they have been manually curated by the NCBI staff. Other mitochondrial and chloroplast sequences are "provisional" and are presented as found in the RefSeq flatfiles. The organisms from which the organelles derive are presented in a taxonomic hierarchy built from the NCBI Taxonomy database. In addition to providing a list of complete mitochondrial and plastid genomes, these sites also present tools that can be used to analyze the metazoan mitochondrial genomes.

The following resources are available for the metazoan mitochondrial genomes.

  • A manually curated reference sequence for each organelle, including standardized gene, protein, and RNA names
  • The protein List and gene/RNA order (Gene/RNA order) by taxonomic grouping
  • Collection of organelle protein sequences by taxonomic grouping
  • Multiple alignments of organelle protein sequences by taxonomic grouping
  • Links between the organelle protein sequences and the NCBI COG database
  • Match gene, a tool to compare your protein sequence to a database of mitochondrial protein sequences, by taxonomic grouping

    For detailed information about the web pages see the Help document.