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Gene Protein Transcript Promoter Expression GO/PPI PubMed Cross reference

Gene information for DFFB (Homo sapiens)
(Information is obtained from NCBI Gene database)
Entrez gene ID1677
Official gene symbolDFFB
Full nameDNA fragmentation factor, 40kDa, beta polypeptide (caspase-activated DNase)
Aliases,CAD,CPAN,DFF-40,DFF2,DFF40,
Gene summaryApoptosis is a cell death process that removes toxic and/or useless cells during mammalian development. The apoptotic process is accompanied by shrinkage and fragmentation of the cells and nuclei and degradation of the chromosomal DNA into nucleosomal units. DNA fragmentation factor (DFF) is a heterodimeric protein of 40-kD (DFFB) and 45-kD (DFFA) subunits. DFFA is the substrate for caspase-3 and triggers DNA fragmentation during apoptosis. DFF becomes activated when DFFA is cleaved by caspase-3. The cleaved fragments of DFFA dissociate from DFFB, the active component of DFF. DFFB has been found to trigger both DNA fragmentation and chromatin condensation during apoptosis. Alternatively spliced transcript variants encoding distinct isoforms have been found for this gene but the biological validity of these variants has not been determined. [provided by RefSeq]
LocationChromosome: 1   Locus: 1p36.3
Gene position3773845 - 3801993  Map Viewer
Gene orientationplus
Gene size28149 bp
Gene sequence
OMIM ID601883