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Ubiquitin-Proteasome
Ubiquitin-Proteasome Interactive Pathway: Ubiquitin
 

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Protein : Ub

Connectivity 1
Notes This gene encodes ubiquitin, one of the most conserved proteins known. Ubiquitin is required for ATP-dependent, nonlysosomal intracellular protein degradation of abnormal proteins and normal proteins with a rapid turnover. Ubiquitin is covalently bound to proteins to be degraded, and presumably labels these proteins for degradation. Ubiquitin also binds to histone H2A in actively transcribed regions but does not cause histone H2A degradation, suggesting that ubiquitin is also involved in regulation of gene expression. This gene consists of three direct repeats of the ubiquitin coding sequence with no spacer sequence. Consequently, the protein is expressed as a polyubiquitin precursor with a final amino acid after the last repeat. Aberrant form of this protein has been noticed in patients with Alzheimer's and Down syndrome.
Hugo ID 12463
Name Ub
Description ubiquitin B
URN urn:agi-llid:7314

GO Cellular Component nucleus

Cell Localization Cytoplasm
Nucleus

GO Biological Process protein modification

MGI ID 98888

Swiss-Prot Accession P02248

OMIM ID OMIM:191339

Alias Loc192255
polyubiquitin
Ubb
Ubb2
TI-225
Ubc
ubiquitin B
MGC8385
UBIQ
Ub
polyubiquitin B
ubiquitin B precursor
UBIQ_HUMAN
Ubiquitin
similar to polyubiquitin 10
similar to polyubiquitin 10 - rat

Organism Rattus norvegicus
Mus musculus
Human

LocusLink ID 192255
22187
101224
7314

RGD ID 621562

Pathway NFkB
GSK3
Ubiquitin

Unigene ID Rn.1253
Mm.282093
Hs.356190