Homeobox protein cut-like 1 (P39880)

Uniprot ID P39880
Protein Name Homeobox protein cut-like 1
Gene Name CUX1
Species Homo sapiens (Human)
Signal peptide(a) N Secretome P(b) 0.191
Function Transcription factor involved in the control of neuronal differentiation in the brain. Regulates dendrite development and branching, and dendritic spine formation in cortical layers II-III. Also involved in the control of synaptogenesis. In addition, it has probably a broad role in mammalian development as a repressor of developmentally regulated gene expression. May act by preventing binding of positively-activing CCAAT factors to promoters. Component of nf-munr repressor; binds to the matrix attachment regions (MARs) (5' and 3') of the immunoglobulin heavy chain enhancer. Represses T-cell receptor (TCR) beta enhancer function by binding to MARbeta, an ATC-rich DNA sequence located upstream of the TCR beta enhancer. Binds to the TH enhancer; may require the basic helix-loop-helix protein TCF4 as a coactivator. .
GO - Molecular function
  • protein binding, bridging : IEA:Ensembl
  • RNA polymerase II regulatory region sequence-specific DNA binding : ISS:UniProtKB
  • sequence-specific DNA binding : IDA:UniProtKB
GO - Biological process
  • Golgi vesicle transport : IBA:GO_Central
  • multicellular organism development : TAS:ProtInc
  • negative regulation of transcription by RNA polymerase II : IBA:GO_Central
  • positive regulation of dendrite morphogenesis : ISS:UniProtKB
  • regulation of transcription by RNA polymerase II : TAS:ProtInc
  • retrograde transport, vesicle recycling within Golgi : IEA:Ensembl
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(a) The Signal peptide D-score cutoff for "YES"(having signal peptide) is 0.45.
(b) Non-classically secreted proteins should obtain an NN-score(Neural Networks score) exceeding the normal threshold of 0.5, but not at the same time be predicted to contain a signal peptide.