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FLASH GENE
Symbol CHAF1B contributors: SGE/npt - updated : 26/04/2010
HGNC name chromatin assembly factor 1, subunit B (p60)
HGNC id 1911
EXPRESSION
Type widely
   expressed in (based on citations)
organ(s)
SystemOrgan level 1Organ level 2Organ level 3Organ level 4LevelPubmedSpeciesStageRna symbol
Digestiveesophagus   highly
Nervousbrain    
 nerve   highly
Reproductivemale systemprostate   
Respiratorylung    
tissue
SystemTissueTissue level 1Tissue level 2LevelPubmedSpeciesStageRna symbol
Blood / hematopoieticbone marrow  highly
Muscularstriatumskeletal  
cell lineage
cell lines
fluid/secretion
at STAGE
cell cycle     cell cycle, G1, S, G2, M
PROTEIN
PHYSICAL PROPERTIES
STRUCTURE
motifs/domains
  • 7 WD-40 repeat domains
  • conjugated PhosphoP
    HOMOLOGY
    interspecies homolog to murine Chaf1b (84.4pc)
    homolog to rattus Chaf1b (84.8pc)
    Homologene
    FAMILY
  • WD-repeat HIR1 family
  • CATEGORY chaperone/stress
    SUBCELLULAR LOCALIZATION     intracellular
    intracellular,cytoplasm
    intracellular,nucleus
    text normally found in the nucleus except during mitosis, when it is released into the cytoplasm
    basic FUNCTION
  • required for the assembly of histone octamers onto newly-replicated DNA
  • p60 subunit required for chromatin assembly after replication and may also be involved in DNA repair
  • essential factor not only for S-phase-specific chromatin assembly but also for proliferating cell viability
  • recruited to chromatin undergoing DNA repair after UV irradiation in G1, S or G2 phases
  • CELLULAR PROCESS
    PHYSIOLOGICAL PROCESS
    PATHWAY
    metabolism
    signaling
    a component
  • component of a complex composed of p50, p60, and p150, active complex in G1, S and G2 phases
  • associating with SETDB1-CBX5 chaperone complex and monomethylating K9 on non nucleosomal histone H3, thus providing H3K9me1 for subsequent trimethylation by SUV39H1/H2 in pericentric regions (Loyola 2009)
  • INTERACTION
    DNA
    RNA
    small molecule
    protein
    cell & other
    REGULATION
    Other hyperphosphorylated during mitosis and released in the cytoplasm
    ASSOCIATED DISORDERS
    corresponding disease(s)
    Other morbid association(s)
    TypeGene ModificationChromosome rearrangementProtein expressionProtein Function
    constitutional     --low  
    in Down syndrome
    Susceptibility
    Variant & Polymorphism
    Candidate gene overexpression of CAF-1/p60 characterized prostatic cancers with a worse prognosis (Staibano 2009)
    Marker
    Therapy target
    ANIMAL & CELL MODELS