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FLASH GENE
Symbol CAND1 contributors: mct - updated : 27-05-2011
HGNC name cullin-associated and neddylation-dissociated 1
HGNC id 30688
PROTEIN
PHYSICAL PROPERTIES
STRUCTURE
motifs/domains
  • N-terminus blocks the cullin neddylation site
  • whereas the C-terminus inhibits cullin adaptor interaction
  • HOMOLOGY
    Homologene
    FAMILY cullin family
    CATEGORY unknown/unspecified , transcription factor
    SUBCELLULAR LOCALIZATION     intracellular
    intracellular,nucleus
    text predominantly cytoplasmically localized
    basic FUNCTION
  • eukaryotic transcriptional regulator, mediating the ubiquitination of proteins involved in cell cycle progression, signal transduction and transcription
  • greatly facilitated COP9 signalosome-mediated deneddylation of CUL1
  • playing a critical role in regulating various ubiquitin E3 ligases and their targeted cellular and developmental pathways
  • involved in the regulation of protein degradation, apoptosis, neuronal loss and neurodevelopment
  • maintains the cellular balance of cullin-RING ubiquitin ligases complexes by preventing rare F box proteins from being outcompeted for binding to CUL1 by more ample adapters
  • functioning as a negative regulator of SCF E3 ubiquitin ligases and may modulate other cullin ligases in a similar fashion
  • function as a positive regulator of Cullin ligases
  • likely to regulate cullin RING ligase activity via alternative mechanisms
  • inhibits cullin RING ubiquitin ligases by binding unneddylated cullins
  • CELLULAR PROCESS nucleotide, transcription
    PHYSIOLOGICAL PROCESS
    PATHWAY
    metabolism
    signaling
    a component component of the SCF(SKP1-CUL1-f-box protein) E3 ubiquitin ligase complex
    INTERACTION
    DNA
    RNA
    small molecule
    protein
  • specifically binds to unmodified CUL1 but not to neddylated one
  • interaction with cullin family proteins
  • binds CUL2, CUL3, CUL4A, CUL4B and CUL5
  • binds to the components of the neddylation pathway (Cullin-RBX1, UBE2M, and DCUN1D1)(Kim 2008)
  • binds to cullins that are not conjugated with Nedd8 and not associated with substrate receptors
  • COMMD1 regulates CRL (Cullin RING ligases) activation by antagonizing CAND1 binding, and can actively displace CAND1 from CRLs
  • cell & other
    REGULATION
    ASSOCIATED DISORDERS
    ANIMAL & CELL MODELS