sequence_feature
   |__region  2057106 rec.
       |__biological_region 1035603 rec.
       |   |__accessible_DNA_region(+)
       |   |__amino_acid(+)
       |   |__base(+) 2004 rec.
       |   |__binding_site(+) 242272 rec.
       |   |__biosynthetic_gene_cluster
       |   |__cap
       |   |__chromosome_part(+) 273 rec.
       |   |__CpG_island
       |   |__D_loop(+)
       |   |__deletion(+) 11222 rec.
       |   |__gene(+) 82898 rec.
       |   |__gene_component_region(+) 51362 rec.
       |   |__gene_group(+) 24 rec.
       |   |__gene_member_region(+) 571798 rec.
       |   |__genetic_marker(+)
       |   |__insertion(+) 766 rec.
       |   |__intergenic_region
       |   |__inversion
       |   |__linkage_group
       |   |__mobile_genetic_element(+) 178942 rec.
       |   |__mutational_hotspot
       |   |__Okazaki_fragment
       |   |__oligo_U_tail
       |   |__open_chromatin_region
       |   |__origin_of_replication(+) 8073 rec.
       |   |__polyA_sequence
       |   |__polyA_site_cluster
       |   |__polypeptide(+) 219543 rec.
       |   |__polypeptide_region(+) 188713 rec.
       |   |__pseudogene(+) 728 rec.
       |   |__pseudogenic_region(+)
       |   |__QTL
       |   |__rearrangement_region
       |   |__recombination_feature(+)
       |   |__repeat_region(+) 32 rec.
       |   |__repeat_unit
       |   |__replicon(+) 11209 rec.
       |   |__restriction_enzyme_region(+)
       |   |__retron
       |   |__sequence_motif(+) 51362 rec.
       |   |__sequence_secondary_structure(+)
       |   |__substitution(+) 7201 rec.
       |   |__transcript_region(+) 158337 rec.
       |   |__unit_of_gene_expression(+)
       |__biomaterial_region 981198 rec.
       |   |__engineered_region(+) 9033 rec.
       |   |__reagent(+) 972171 rec.
       |__experimental_feature 213780 rec.
       |   |__assembly(+)
       |   |__assembly_component(+)
       |   |__consensus_region(+)
       |   |__conserved_region(+)
       |   |__experimentally_defined_binding_region(+)
       |   |__high_identity_region
       |   |__low_complexity_region
       |   |__match(+) 213780 rec.
       |   |__match_part
       |   |__mathematically_defined_repeat
       |   |__reading_frame(+)
       |   |__remark(+)
       |   |__spurious_protein
       |   |__transcribed_cluster(+)
       |   |__transcribed_fragment
       |   |__transcription_start_cluster(+)
       |__topologically_defined_region
           |__flanking_region(+)
           |__repeat_component(+)
           |__topologically_associated_domain(+)