FB2026_01 , released March 12, 2026
FB2026_01 , released March 12, 2026
Current Release Data
 
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Main Data Set
Postgres Chado Database Dump
  • Chado database (https://s3ftp.flybase.org/releases/FB2026_01/psql/FB2026_01.sql.gz)
Sequence Data & XML Files
Synonyms
Item
Chado XML
Other
FlyBase Synonyms
fb_synonym_fb_2026_01.tsv.gz
Genes
Item
Chado XML
Other
Genes data
download
Genetic Interaction table
gene_genetic_interactions_fb_2026_01.tsv.gz
RNA-Seq RPKM values
gene_rpkm_report_fb_2026_01.tsv.gz
RNA-Seq gene-by-RPKM matrix
gene_rpkm_matrix_fb_2026_01.tsv.gz
Physical Interaction table MITAB
physical_interactions_mitab_fb_2026_01.tsv.gz
Functional complementation table
gene_functional_complementation_fb_2026_01.tsv.gz
FBgn ⇔ DB Accession IDs
fbgn_NAseq_Uniprot_fb_2026_01.tsv.gz
FBgn ⇔ Annotation ID
fbgn_annotation_ID_fb_2026_01.tsv.gz
FBgn ⇔ GLEANR IDs
fbgn_gleanr_fb_2026_01.tsv.gz
FBgn ⇔ FBtr ⇔ FBpp IDs
fbgn_fbtr_fbpp_fb_2026_01.tsv.gz
FBgn ⇔ FBtr ⇔ FBpp IDs (expanded)
fbgn_fbtr_fbpp_expanded_fb_2026_01.tsv.gz
FBgn Exons ⇔ Affy1
fbgn_exons2affy1_overlaps.tsv.gz
FBgn Exons ⇔ Affy2
fbgn_exons2affy2_overlaps.tsv.gz
Genes GO data
gene_association.fb.gz
GO gene product information mapping
gp_information.fb.gz
Genes SO annotations
dmel_gene_sequence_ontology_annotations_fb_2026_01.tsv.gz
Genes map table
gene_map_table_fb_2026_01.tsv.gz
Best gene summaries
best_gene_summary_fb_2026_01.tsv.gz
Automated gene summaries
automated_gene_summaries.tsv.gz
Gene snapshots
gene_snapshots_fb_2026_01.tsv.gz
Unique Protein Isoforms
dmel_unique_protein_isoforms_fb_2026_01.tsv.gz
Enzyme Data
Dmel_enzyme_data_fb_2026_01.tsv.gz
Non-coding RNAs (JSON)
ncRNA_genes_fb_2026_01.json.gz
Gene model status and annotation comments
gene_model_annotation_comments_fb_2026_01.tsv.gz
Gene relationship comments
gene_relationships_fb_2026_01.tsv.gz
InterPro signatures
interpro_signatures_fb_2026_01.tsv.gz
Representative publications
representative_publications_fb_2026_01.tsv.gz
Expression
Item
Other
High-Throughput Gene Expression
high-throughput_gene_expression_fb_2026_01.tsv.gz
Single Cell RNA-Seq Gene Expression
scRNA-Seq_gene_expression_fb_2026_01.tsv.gz
Single Cell RNA-Seq Gene Expression Slim
FlyCellAtlas_slimmed_gene_expression_fb_2026_01.tsv.gz
Single Cell RNA-Seq Metadata
scRNAseq_metadata_fb_2026_01.json.gz
Single Cell RNA-Seq Metadata Schema
scRNAseq_metadata_schema_fb_2026_01.yaml.gz
Single Cell RNA-Seq Metadata
curated_expression_fb_2026_01.tsv.gz
Gene Groups
Item
Chado XML
Other
Gene group data
gene_group_data_fb_2026_01.tsv.gz
Gene groups with HGNC IDs
gene_groups_HGNC_fb_2026_01.tsv.gz
Metabolic Pathway group data
metabolic_pathway_group_data_fb_2026_01.tsv.gz
Signaling Pathway group data
signaling_pathway_group_data_fb_2026_01.tsv.gz
Interactions
Item
Chado XML
Other
Genetic Interactions
allele_genetic_interactions_fb_2026_01.tsv.gz
Genetic Interaction table
gene_genetic_interactions_fb_2026_01.tsv.gz
Physical Interaction table MITAB
physical_interactions_mitab_fb_2026_01.tsv.gz
Alleles and Stocks
Item
Chado XML
Other
Allele data
download
Stock data
download
stocks_FB2026_01.tsv.gz
Phenotypic data
genotype_phenotype_data_fb_2026_01.tsv.gz
Alleles ⇔ Genes
fbal_to_fbgn_fb_2026_01.tsv.gz
Classical and insertion allele descriptions
dmel_classical_and_insertion_allele_descriptions_fb_2026_01.tsv.gz
Transgenic construct descriptions
transgenic_construct_descriptions_fb_2026_01.tsv.gz
Split system combinations
split_system_combinations_fb_2026_01.tsv.gz
Homologs
Item
Chado XML
Other
D. melanogaster Paralogs
dmel_paralogs_fb_2026_01.tsv.gz
Human Orthologs
dmel_human_orthologs_disease_fb_2026_01.tsv.gz
Human Disease
Item
Chado XML
Other
Human disease model reports
human_disease_models_fb_2026_01.tsv.gz
Human Orthologs
dmel_human_orthologs_disease_fb_2026_01.tsv.gz
Disease ontology annotations
disease_model_annotations_fb_2026_01.tsv.gz
Disease-implicated variants
disease_implicated_variants_fb_2026_01.tsv.gz
Organisms
Item
Chado XML
Other
Species list
organism_list_fb_2026_01.tsv.gz
Ontology Terms
Frozen Files used for this release of FlyBase
Item
Chado XML
Other
FBbt: (fly_anatomy)
fly_anatomy.obo.gz
FBdv: (fly_development)
fly_development.obo.gz
FBcv: (FlyBase controlled vocabulary)
flybase_controlled_vocabulary.obo.gz
FBsv: (stock ontology)
flybase_stock_vocabulary.obo.gz
GO: (gene ontology)
go-basic.obo.gz
FBbi: (image ontology)
image.obo.gz
SO: (sequence ontology)
so-simple.obo.gz
DO: (human disease ontology)
doid.obo.gz
PSI-MI: (molecular interactions)
psi-mi.obo.gz
Current 'Live' Files
Item
Chado XML
Other
FBbt: (fly_anatomy)
fly_anatomy.obo
FBdv: (fly_development)
fly_development.obo
FBcv: (FlyBase controlled vocabulary)
flybase_controlled_vocabulary.obo
GO: (gene ontology)
go-basic.obo
FBbi: (image ontology)
image.obo
SO: (sequence ontology)
so-simple.obo
DO: (human disease ontology)
doid.obo
PSI-MI: (molecular interactions)
mi.obo
Ontology Versions
Ontology
version/date
ChEBI (chemical entities of biological interest)
2026-02-10
DO (human disease ontology)
2025-12-23
FBbi (image ontology)
2005-08-10
FBbt (fly_anatomy)
2026-01-13
FBdv (fly_development)
2024-04-18
FBcv (FlyBase controlled vocabulary)
2025-03-27
FBsv (stock ontology)
2022-09-26
GO (gene ontology)
2026-01-29
PSI-MI (molecular interactions)
2015-08-11
SO (sequence ontology)
2021-11-22
Genomes: Annotation and Sequence
All Sequenced Drosophila Species
Species Emeriti

FlyBase no longer reflects NCBI annotation or genome assembly updates for non-D. melanogaster fruit fly species. For the status of these gene model annotations, see the NCBI page Eukaryotic genomes annotated at NCBI.

Drosophila melanogaster (Dmel)
Transcripts and Polypeptides
Item
Chado XML
Other
Transcript data
download
Polypeptide data
download
Non-coding RNAs (JSON)
ncRNA_genes_fb_2026_01.json.gz
Transposons, Transgenic Constructs, and Insertions
Item
Chado XML
Other
Insertions
download
Transgenic constructs
download
Classical and insertion allele descriptions
dmel_classical_and_insertion_allele_descriptions_fb_2026_01.tsv.gz
Transgenic construct descriptions
transgenic_construct_descriptions_fb_2026_01.tsv.gz
Transgenic construct maps
construct_maps.zip
Map data for insertions
insertion_mapping_fb_2026_01.tsv.gz
Transposable elements (canonical set)
transposon_sequence_set.fa.gz   transposon_sequence_set.gff.gz
Frequently-used GAL4 drivers table (JSON)
fu_gal4_table_fb_2026_01.json.gz
Aberrations
Item
Chado XML
Other
Aberration data
download
Balancer data
download
Gene deletion/duplication data
aberration_experimental_gene_del_dup_data.fb_2026_01.tsv.g
Large Dataset Metadata
Item
Chado XML
Other
Dataset metadata members
dataset_metadata_fb_2026_01.tsv.gz
Single Cell RNA-Seq Metadata
scRNA-Seq_metadata_fb_2026_01.tsv.gz
Single Cell RNA-Seq Metadata Schema
scRNAseq_metadata_schema_fb_2026_01.yaml.gz
Stocks and Reagents
Item
Chado XML
Other
Clone data
download
cDNAs: FBcl ⇔ acc. ID
cDNA_clone_data_fb_2026_01.tsv.gz
Genomic: FBcl ⇔ acc. ID
genomic_clone_data_fb_2026_01.tsv.gz
Stock data
download
stocks_FB2026_01.tsv.gz
Antibody information
antibody_information_fb_2026_01.tsv.gz
References
Item
Chado XML
Other
Combined reference data
download
FlyBase FBrf ⇔ PubMed ID ⇔ PMCID ⇔ DOI
fbrf_pmid_pmcid_doi_fb_2026_01.tsv.gz
FlyBase Entity-Publication Associations
entity_publication_fb_2026_01.tsv.gz
Representative publications
representative_publications_fb_2026_01.tsv.gz
Map Conversion Tables
Item
Chado XML
Other
Cytological ⇔ Sequence
genome-cyto-seq.txt.gz
Cytological ⇔ Genetic
cytotable.txt.gz
Cyto ⇔ Genetic ⇔ Seq
cyto-genetic-seq.tsv.gz
Genes map table
gene_map_table_fb_2026_01.tsv.gz
Chemicals
Item
Chado XML
Other
Chemicals
chemicals_fb_2026_01.tsv.gz
Chemical Synonyms
chem_synonyms_fb_2026_01.tsv.gz
Experimental Tools
Item
Chado XML
Other
Experimental Tool Data
experimental_tool_data_fb_2026_01.tsv.gz