Sequence_accession_number,Species_name,GC_content,Sequence_length,Sequence_status,Is_protein_coding_sequence,Is_annotated OF274004,Ciona savignyi,51.6483516483516,1456.0,observed,0,0 OF274763,Ciona savignyi,55.8475894245723,6430.0,observed,0,0 OF274886,Ciona savignyi,49.8467824310521,979.0,observed,0,0 OF275009,Ciona savignyi,45.3565505804312,1206.0,observed,0,0