Regulator of protein degradation that mediates the proteasomal targeting of misfolded, mislocalized or accumulated proteins. Acts by binding polyubiquitin chains of target proteins via its UBA domain and by interacting with subunits of the proteasome via its ubiquitin-like domain. Key regulator of DNA repair that represses homologous recombination repair: in response to DNA damage, recruited to sites of DNA damage following phosphorylation by ATM and acts by binding and removing ubiquitinated MRE11 from damaged chromatin, leading to MRE11 degradation by the proteasome. MRE11 degradation prevents homologous recombination repair, redirecting double-strand break repair toward non-homologous end joining (NHEJ). Specifically recognizes and binds mislocalized transmembrane-containing proteins and targets them to proteasomal degradation. Collaborates with DESI1/POST in the export of ubiquitinated proteins from the nucleus to the cytoplasm. Also plays a role in the regulation of the proteasomal degradation of non-ubiquitinated GJA1 (By similarity). Acts as an adapter protein that recruits UBQLN1 to the autophagy machinery. Mediates the association of UBQLN1 with autophagosomes and the autophagy-related protein LC3 (MAP1LC3A/B/C) and may assist in the maturation of autophagosomes to autolysosomes by mediating autophagosome-lysosome fusion.

Description
Rabbit polyclonal antibody to A1Up

Applications 
WB, IHC

Immunogen 
A1Up Antibody detects endogenous levels of total A1Up.

Reactivity 
Human, Mouse, Rat.
可预测：Pig(100%), Zebrafish(100%), Bovine(100%), Horse(100%), Sheep(100%), Rabbit(100%), Dog(100%), Chicken(100%), Xenopus(100%)

Molecular weight
54kDa; 64kD(Calculated).

Host species 
Rabbit

Ig class 
Immunogen-specific rabbit IgG

Purification 
Antigen affinity purification

Full name 
A1Up

Synonyms 
28S ribosomal protein S7; A1U; A1Up; AI663987; Ataxin 1 interacting ubiquitin like protein; Ataxin 1 ubiquitin like interacting protein A1U; Ataxin 1 ubiquitin like interacting protein; Ataxin-1 ubiquitin-like-interacting protein A1U; bMRP 27a; bMRP27a; C1orf6; CIP75; Connexin43 interacting protein of 75 kDa; MRP S7; RGD1308273; S7mt; UBIN; Ubiquilin 4; Ubiquilin-4; UBQL4_HUMAN; UBQLN4;

Storage
Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.

Swissprot 
Q9NRR5

Western blot analysis of extracts from mouse brain, using A1Up Antibody. Lane 1 was treated with the blocking peptide....

ab12129 at 1/100 staining Mouse heart tissue by IHC-P. The sample was formaldehyde fixed and a heat mediated antigen retrieval step in citrate buffer was performed. The sample was then blocked and incubated with the primary antibody at 4°C overnight. An HRP conjugated anti-Rabbit antibody was used as the secondary antibody....

ab12129 at 1/100 staining Mouse testis tissue by IHC-P. The sample was formaldehyde fixed and a heat mediated antigen retrieval step in citrate buffer was performed. The sample was then blocked and incubated with the primary antibody at 4°C overnight. An HRP conjugated anti-Rabbit antibody was used as the secondary antibody....