Data dictionary - Ecogenomics/GTDBNCBI GitHub Wiki

The fields in the GTDB ARB file are as follows:

Name Description Example
accession Unique genome identifier indicating the genome source (RS = RefSeq; GB = GenBank) and NCBI accession number RS_GCF_000009045.1
aligned_seq Alignment of the bac120 or ar53 amino acid marker genes GRR...E
ambiguous_bases Number of ambiguous bases in genome assembly 0
checkm2_completeness Estimated completeness of genome using CheckM v2 100
checkm2_contamination Estimated contamination of genome using CheckM v2 0.05
checkm2_model Model used by CheckM v2 to estimate completeness and contamination Specific
checkm_completeness Estimated completeness of genome using CheckM v1 99.81
checkm_contamination Estimated contamination of genome using CheckM v1 0.25
checkm_genome_count Number of reference genomes used by CheckM v1 for quality estimation 36
checkm_marker_count Number of marker genes used by CheckM v1 to estimate genome quality 1200
checkm_marker_lineage Lineage of marker genes used by CheckM v1 to estimate genome quality g__Bacillus (UID865)
checkm_marker_set_count Number of marker sets used by CheckM v1 to estimate genome quality 269
checkm_strain_heterogeneity Estimated strain heterogeneity of genome using CheckM v1 0
checkm_strain_heterogeneity_100 Estimated strain heterogeneity when only considering 100% identical marker genes 0
coding_bases Number of coding bases in genome 3705237
coding_density Coding density of genome 87.89
contig_count Number of contigs in genome assembly 1
db_name Canonical genome ID used by ARB; must match leaf node ID in Newick tree G000009045
description Always blank; required by ARB?
dsmz_type_designation Type strain designation as recognized by the DSMZ culture collection type strain of species
formatted_accession Canonical genome ID; SHOULD BE REMOVED G000009045
gc_count Number of GC bases in genome 1834396
gc_percentage Percent GC-content of genome 43.51
genome_size Size of genome in base pairs 4215606
gtdb_class Class classification according to GTDB taxonomy c__Bacilli
gtdb_cluster_ncbi_species Summary counts of NCBI species names observed within this GTDB cluster s__Bacillus subtilis: 1155...
gtdb_cluster_size Mumber of genomes in this GTDB species cluster 1249
gtdb_clustered_genomes List of genome IDs contained in GTDB cluster G024259785;G017753785...
gtdb_domain Domain classification according to GTDB taxonomy d__Bacteria
gtdb_family Family classification according to GTDB taxonomy f__Bacillaceae
gtdb_genome_representative ID of representative genome of the GTDB species cluster to which this genome is assigned RS_GCF_000009045.1
gtdb_genus Genus classification according to GTDB taxonomy g__Bacillus
gtdb_genus_type_species Flag indicating if the genome represents the type species for the assigned GTDB genus True
gtdb_order Order classification according to GTDB taxonomy o__Bacillales
gtdb_phylum Phylum classification according to GTDB taxonomy p__Bacillota
gtdb_representative Indicates if this genome is the representative of a GTDB species cluster True
gtdb_species Species classification according to GTDB taxonomy s__Bacillus subtilis
gtdb_species_type_strain Flag indicating if the genome represents the type strain for the assigned GTDB species ??? - does a type strain designation depend on the assigned species name ??? True
gtdb_taxonomy Full GTDB taxonomy string d__Bacteria;p__Bacillota...
gtdb_type_designation_ncbi_taxa Indicates if genome is assembled from the type strain of a species or subspecies according to its NCBI classification - ??? does this actually depend on species assignment or just the strain ID ??? type strain of species
gtdb_type_designation_ncbi_taxa_sources Authoritative nomenclatural sources supporting type designation in gtdb_type_designation_ncbi_taxa LPSN
gtdb_type_species_of_genus Indicates if genome is assembled from the type species of the genus - ??? is this for the NCBI species classification; does this account for LPSN and SeqCode ??? True
l50_contigs L50 of contigs in genome assembly 1
l50_scaffolds L50 of scaffolds in genome assembly 1
longest_contig Longest contig in genome assembly 4215606
longest_scaffold Longest scaffold in genome assembly 4215606
lpsn_priority_year Nomenclatural priority year for the taxon recorded in LPSN 1835
lpsn_type_designation Specific type strain designation defined in LPSN - ??? this description seems incomplete as this must require matching of type strains between NCBI and LPSN to draw such conclusions for a specific genome ??? type strain of species
lsu_23s_contig_len Length of contig containing selected representative 23S rRNA gene 4215606
lsu_23s_count Number of 23S rRNA genes in genomes 10
lsu_23s_length Length of selected representative 23S rRNA gene 2924
lsu_23s_query_id Identifier of contig containing selected representative 23S rRNA gene NC_000964.3
lsu_5s_contig_len Length of contig containing selected representative 5S rRNA gene 4215606
lsu_5s_count Number of 5S rRNA genes in genomes 10
lsu_5s_length Length of selected representative 5S rRNA gene 111
lsu_5s_query_id Identifier of contig containing selected representative 5S rRNA gene NC_000964.3
lsu_silva_23s_blast_align_len BLAST alignment length of top hit between representative 23S gene and SILVA LSU DB 2924
lsu_silva_23s_blast_bitscore BLAST bitscore of top hit between representative 23S gene and SILVA LSU DB 5400
lsu_silva_23s_blast_evalue BLAST e-value of top hit between representative 23S gene and SILVA LSU DB 0
lsu_silva_23s_blast_perc_identity BLAST percent identity of top hit between representative 23S gene and SILVA LSU DB 100
lsu_silva_23s_blast_subject_id SILVA identifier of top hit between representative 23S gene and SILVA LSU DB D84213.7327.10254
lsu_silva_23s_taxonomy SILVA taxonomy of top hit between 23S genes and SILVA LSU DB Bacteria;Bacillota...
mean_contig_length Average length of contigs in genome assembly 4215606
mean_scaffold_length Average length of scaffolds in genome assembly 4215606
mimag_high_quality Indicates if genome meets the high-quality MIMAG criteria True
mimag_low_quality Indicates if genome meets the low-quality MIMAG criteria False
mimag_medium_quality Indicates if genome meets the medium-quality MIMAG criteria False
msa_aa_count Total count of amino acids in the bac120 or ar53 multiple sequence alignment 39736
msa_gene_count Number of bac120 or ar53 marker genes identified in genome 119
msa_length Number of aligned columns in bac120 or ar53 multiple sequence alignment 41084
msa_num_marker_genes Number of identified bac120 or ar53 marker genes 120
multiple_homologs Number of bac120 or ar53 marker genes detected multiple times in genome assembly 1
n50_contigs N50 of contigs in genome assembly 4215606
n50_scaffolds N50 of scaffolds in genome assembly 4215606
ncbi_asm_name Name of the assembly provided by the submitter to NCBI ASM904v1
ncbi_assembly_level NCBI assembly level: Complete Genome, Chromosome, Scaffold, Contig Complete Genome
ncbi_assembly_name NCBI assembly name ASM904v1
ncbi_assembly_type NCBI assembly type na
ncbi_bioproject NCBI BioProject ID for genome PRJNA76
ncbi_biosample NCBI BioSample ID for genome SAMEA3138188
ncbi_cds_count Total count of coding sequences (CDS) defined in the NCBI record 4240
ncbi_contig_count Number of contigs in genome according to NCBI None
ncbi_contig_n50 N50 of contigs in genome according to NCBI None
ncbi_country Country associated with genome assembly at NCBI None
ncbi_date Date genomes was submitted to NCBI 2009-08-12
ncbi_excluded_from_refseq Notes or reasons if the genome was excluded from the NCBI RefSeq database None
ncbi_gbrs_paired_asm Accession number for the corresponding paired NCBI GenBank/RefSeq assembly ID. GCA_000009045.1
ncbi_genbank_assembly_accession NCBI GenBank assembly accession. GCA_000009045.1
ncbi_genome_category NCBI genome category indicating if genomes was assembled from a single cell or metagenome. If none, the assumption is that it is an isolate genome. None
ncbi_genome_representation Indicates by NCBI if genome is full or partial full
ncbi_genus Genus classification according to NCBI taxonomy g__Bacillus
ncbi_isolate Isolate name at NCBI na
ncbi_isolation_source Isolation source at NCBI None
ncbi_lat_lon Latitude and longitude associated with genome assembly at NCBI None
ncbi_molecule_count Molecule count at NCBI 1
ncbi_ncrna_count Non-coding RNA count at NCBI 0
ncbi_not_used_as_type NCBI flag determining if the genome assembly was explicitly excluded from being used as a type material. False
ncbi_organism_name Organism name at NCBI Bacillus subtilis subsp. subtilis str. 168
ncbi_paired_asm_comp Comparison status detailing how this assembly relates to its paired NCBI GenBank/RefSeq counterpart identical
ncbi_protein_count Protein count at NCBI 4177
ncbi_refseq_assembly_and_genbank_assemblies_identical Indicates whether the NCBI RefSeq and GenBank assembly records are exactly identical yes
ncbi_refseq_category NCBI RefSeq genome category reference genome
ncbi_region_count Count of specific annotated sequence regions identified by NCBI None
ncbi_release_type Defines whether the NCBI sequence release is a major or minor update major
ncbi_rrna_count rRNA count at NCBI 30
ncbi_scaffold_count Number of scaffolds at NCBI 1
ncbi_scaffold_l50 L50 of scaffolds according to NCBI 1
ncbi_scaffold_n50 N50 of scaffolds according to NCBI 4215606
ncbi_scaffold_n75 N75 of scaffolds according to NCBI 4215606
ncbi_scaffold_n90 N90 of scaffolds according to NCBI 4215606
ncbi_seq_rel_date NCBI sequence release date 2009-08-12
ncbi_spanned_gaps Number of spanned gaps according to NCBI 0
ncbi_species Species classification according to NCBI taxonomy s__Bacillus subtilis
ncbi_species_taxid NCBI species taxonomy identifier 1423
ncbi_ssu_count Number of 16S rRNA genes in genome according to NCBI 0
ncbi_strain_identifiers NCBI strain information from the assembly report. 168
ncbi_submitter Submitter at NCBI BSNR
ncbi_taxid NCBI taxonomy identifier 224308
ncbi_taxonomy Standardized NCBI taxonomy string d__Bacteria;p__Bacillota...
ncbi_taxonomy_unfiltered Full NCBI taxonomy string, including non-standard or unspecified ranks d__Bacteria;x__Bacillati...
ncbi_top_level_count Count of top-level genomic sequences in the NCBI assembly 1
ncbi_total_gap_length Length of all gaps in genome according to NCBI 0
ncbi_total_length Size of genome in base pairs according to NCBI 4215606
ncbi_translation_table Translation table of genome according to NCBI 11
ncbi_trna_count tRNA count for genome according to NCBI 86
ncbi_type_material_designation Indicates if genome is assembled from type material according to NCBI assembly from type material
ncbi_ungapped_length Number of ungapped bases according to NCBI 4215606
ncbi_unspanned_gaps Number of unspanned gaps according to NCBI 0
ncbi_version_status Status of the NCBI assembly version (e.g., latest, replaced) latest
ncbi_wgs_formatted Formatted version of the NCBI WGS prefix/accession None
ncbi_wgs_master NCBI WGS accession na
organism_name The full scientific name of the organism at NCBI, including subspecies and strain where applicable Bacillus subtilis subsp. subtilis str. 168
protein_count Number of proteins predicted for genome assembly 4226
scaffold_count Number of scaffolds in genome assembly 1
seqcode_class_status Status of the class-level name validation in SeqCode None
seqcode_classification Full taxonomic classification recognized by SeqCode None
seqcode_created_at Date when the SeqCode record was created None
seqcode_family_status Status of the family-level name validation in SeqCode None
seqcode_genus_status Status of the genus-level name validation in SeqCode None
seqcode_id Unique identifier assigned to the organism within the SeqCode registry None
seqcode_name Proposed or accepted taxonomic name in the SeqCode registry None
seqcode_order_status Status of the order-level name validation in SeqCode None
seqcode_phylum_status Status of the phylum-level name validation in SeqCode None
seqcode_priority_date The nomenclatural priority date recognized by SeqCode None
seqcode_proposed_by Author or group who proposed the SeqCode taxonomic name None
seqcode_rank Taxonomic rank assigned by the SeqCode registry None
seqcode_species_status Status of the species-level name validation in SeqCode None
seqcode_type_genus_of_class Flag indicating if this is the type genus for the class under SeqCode rules None
seqcode_type_genus_of_family Flag indicating if this is the type genus for the family under SeqCode rules None
seqcode_type_genus_of_order Flag indicating if this is the type genus for the order under SeqCode rules None
seqcode_type_genus_of_phylum Flag indicating if this is the type genus for the phylum under SeqCode rules None
seqcode_type_species_of_genus Flag indicating if this is the type species for the genus under SeqCode rules None
seqcode_updated_at Date when the SeqCode record was last modified None
seqcode_url Direct link to the organism's nomenclature record in the SeqCode registry None
ssu_contig_len Length of contig containing selected representative 16S rRNA gene 4215606
ssu_count Number of 16S rRNA genes in genome assembly 10
ssu_gg_blast_align_len BLAST alignment length of top hit between representative 16S gene and Greengenes DB None
ssu_gg_blast_bitscore BLAST bitscore of top hit between representative 16S gene and Greengenes DB None
ssu_gg_blast_evalue BLAST e-value of top hit between representative 16S gene and Greengenes DB None
ssu_gg_blast_perc_identity BLAST percent identity of top hit between representative 16S gene and Greengenes DB None
ssu_gg_blast_subject_id Greengenes ID of top BLAST hit between representative 16S gene and Greengenes DB None
ssu_gg_length Length of the representative 16S gene queried against the Greengenes DB None
ssu_gg_query_id Identifier of the representative 16S gene queried against the Greengenes DB None
ssu_gg_taxonomy Greengenes taxonomy of top hit between representative 16S gene and Greengenes DB None
ssu_length Length of representative 16S rRNA gene selected from genome 1548
ssu_query_id Identifier of contig containing representative 16S rRNA gene NC_000964.3
ssu_silva_blast_align_len BLAST alignment length of top hit between representative 16S gene and SILVA SSU DB 1548
ssu_silva_blast_bitscore BLAST bitscore of top hit between representative 16S gene and SILVA SSU DB 2859
ssu_silva_blast_evalue BLAST e-value of top hit between representative 16S gene and SILVA SSU DB 0
ssu_silva_blast_perc_identity BLAST percent identity of top hit between representative 16S gene and SILVA SSU DB 100
ssu_silva_blast_subject_id SILVA ID of of top hit between representative 16S gene and SILVA SSU DB CP011115.166498.168052
ssu_silva_taxonomy SILVA taxonomy of top hit between representative 16S gene and SILVA SSU DB Bacteria;Bacillota...
total_gap_length Length of all gaps in genome assembly 0
trna_aa_count Number of standard amino acids with a tRNA in genome assembly 19
trna_count Total number of identified tRNAs in genome assembly 86
trna_selenocysteine_count Number of tRNAs for selenocysteine in genome assembly 0
username Legacy field; SHOULD BE REMOVED None