Immunogen
Synthesized peptide derived from human RBP2 AA range: 108-158
Specificity
This antibody detects endogenous levels of RBP2 at Human/Mouse
Source
Polyclonal, Rabbit,IgG
Formulation
Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide.
Dilution rate
IHC-p 1：50-200. IF 1:50-200
Purification process (Immunogen)
The antibody was affinity-purified from rabbit serum by affinity-chromatography using specific immunogen.
Background
RAN is a small GTP-binding protein of the RAS superfamily that is associated with the nuclear membrane and is thought to control a variety of cellular functions through its interactions with other proteins. This gene encodes a very large RAN-binding protein that immunolocalizes to the nuclear pore complex. The protein is a giant scaffold and mosaic cyclophilin-related nucleoporin implicated in the Ran-GTPase cycle. The encoded protein directly interacts with the E2 enzyme UBC9 and strongly enhances SUMO1 transfer from UBC9 to the SUMO1 target SP100. These findings place sumoylation at the cytoplasmic filaments of the nuclear pore complex and suggest that, for some substrates, modification and nuclear import are linked events. This gene is partially duplicated in a gene cluster that lies in a hot spot for recombination on chromosome 2q. [provided by RefSeq, Jul 2008],
Function
disease:Defects in RANBP2 are the cause of susceptibility to acute necrotizing encephalopathy type 1 (ANE1) [MIM:608033]. Acute necrotizing encephalopathy (ANE) is a rapidly progressive encephalopathy, seizures, and coma that can occur within days in otherwise healthy children after common viral infections such as influenza and parainfluenza, without evidence of viral infection of the brain or inflammatory cell infiltration. Brain T2-weighted magnetic resonance imaging reveals characteritic symmetric lesions present in the thalami, pons, and brainstem.,domain:Contains F-X-F-G repeats.,function:E3 SUMO-protein ligase which facilitates SUMO1 and SUMO2 conjugation by UBE2I. Involved in transport factor (Ran-GTP, karyopherin)-mediated protein import via the F-G repeat-containing domain which acts as a docking site for substrates. Could also have isomerase or chaperone activity and may bind R
Fields
>>Nucleocytoplasmic transport;>>Viral life cycle - HIV-1;>>Amyotrophic lateral sclerosis
Human protein sequence Database
P49792
Mouse protein sequence database
Q9ERU9
Rat protein sequence database
Cellular localization
Nucleus . Nucleus membrane . Nucleus, nuclear pore complex . Nucleus envelope . Detected in diffuse and discrete intranuclear foci (PubMed:11839768). Cytoplasmic filaments (PubMed:7775481). .
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