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Protein Name: Non-structural maintenance of chromosomes element 1 homolog

UniprotKB/SwissProt ID: NSE1_HUMAN (Q8WV22)

Gene Name: NSMCE1

Organism: Homo sapiens (Human).

Function: Component of the SMC5-SMC6 complex, a complex involved in DNA double-strand breaks by homologous recombination. The complex may promote sister chromatid homologous recombination by recruiting the SMC1-SMC3 cohesin complex to double-strand breaks. The complex is required for telomere maintenance via recombination in ALT (alternative lengthening of telomeres) cell lines and mediates sumoylation of shelterin complex (telosome) components which is proposed to lead to shelterin complex disassembly in ALT- associated PML bodies (APBs). Has in vitro ubiquitin ligase activity in presence of NDNL2. Is involved in positive regulation of response to DNA damage stimulus.

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Nucleus. Chromosome, telomere (Probable).

PDB :
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Graphical Visualization of Ubiquitination Sites:
Overview of Protein Ubiquitination Sites with Functional and Structural Information
InterPro ID Domain
IPR001841
IPR002219
IPR011513
IPR014857


The ubiquitination sites of NSE1_HUMAN

No. Position Ubiquitinated Peptide Secondary Structure Solvent Accessibility Substrate Motifs PubMed ID
1152AEQVLQ K FVQNKW HHHHHH H HHHCCC 43.26%21890473
2157QKFVQN K WLIEKE HHHHHC C CCEEEC 26.70%21890473
3218HLPCVA K YFQSNA EHHHHH H HHHCCC 26.63%21890473
4241WPHEIP K VFDPEK CCCCCC C CCCHHH 62.28%2189047

The interacting network mediated by proteins: NSE1_HUMAN

Metabolic pathway:
Kegg map ID Pathway
map03008Ribosome biogenesis in eukaryotes