Product: UBR2 Antibody
Catalog: DF9491
Description: Rabbit polyclonal antibody to UBR2
Application: WB IHC
Reactivity: Human, Mouse
Prediction: Pig, Zebrafish, Bovine, Horse, Sheep, Rabbit, Dog, Chicken, Xenopus
Mol.Wt.: 201kDa; 201kD(Calculated).
Uniprot: Q8IWV8
RRID: AB_2842687

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Product Info

Source:
Rabbit
Application:
WB 1:1000-3000, IHC 1:50-1:200
*The optimal dilutions should be determined by the end user.
*Tips:

WB: For western blot detection of denatured protein samples. IHC: For immunohistochemical detection of paraffin sections (IHC-p) or frozen sections (IHC-f) of tissue samples. IF/ICC: For immunofluorescence detection of cell samples. ELISA(peptide): For ELISA detection of antigenic peptide.

Reactivity:
Human,Mouse
Prediction:
Pig(100%), Zebrafish(100%), Bovine(100%), Horse(100%), Sheep(100%), Rabbit(100%), Dog(100%), Chicken(100%), Xenopus(100%)
Clonality:
Polyclonal
Specificity:
UBR2 Antibody detects endogenous levels of total UBR2.
RRID:
AB_2842687
Cite Format: Affinity Biosciences Cat# DF9491, RRID:AB_2842687.
Conjugate:
Unconjugated.
Purification:
The antiserum was purified by peptide affinity chromatography using SulfoLink™ Coupling Resin (Thermo Fisher Scientific).
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.
Alias:

Fold/Unfold

bA49A4.1; C6orf133; dJ242G1.1; dJ392M17.3; DKFZp686C08114; E3 ubiquitin protein ligase UBR2; KIAA0349; MGC71112; N recognin 2; OTTHUMP00000016403; OTTHUMP00000039767; OTTHUMP00000039768; RP3 392M17.3; Ubiquitin ligase E3 alpha II; Ubiquitin protein ligase E3 alpha 2; Ubiquitin protein ligase E3 alpha II; Ubiquitin protein ligase E3 component n recognin 2; UBR 2;

Immunogens

Immunogen:
Uniprot:
Gene(ID):
Expression:
Q8IWV8 UBR2_HUMAN:

Broadly expressed, with highest levels in skeletal muscle, kidney and pancreas. Present in acinar cells of the pancreas (at protein level).

Sequence:
MASELEPEVQAIDRSLLECSAEEIAGKWLQATDLTREVYQHLAHYVPKIYCRGPNPFPQKEDMLAQHVLLGPMEWYLCGEDPAFGFPKLEQANKPSHLCGRVFKVGEPTYSCRDCAVDPTCVLCMECFLGSIHRDHRYRMTTSGGGGFCDCGDTEAWKEGPYCQKHELNTSEIEEEEDPLVHLSEDVIARTYNIFAITFRYAVEILTWEKESELPADLEMVEKSDTYYCMLFNDEVHTYEQVIYTLQKAVNCTQKEAIGFATTVDRDGRRSVRYGDFQYCEQAKSVIVRNTSRQTKPLKVQVMHSSIVAHQNFGLKLLSWLGSIIGYSDGLRRILCQVGLQEGPDGENSSLVDRLMLSDSKLWKGARSVYHQLFMSSLLMDLKYKKLFAVRFAKNYQQLQRDFMEDDHERAVSVTALSVQFFTAPTLARMLITEENLMSIIIKTFMDHLRHRDAQGRFQFERYTALQAFKFRRVQSLILDLKYVLISKPTEWSDELRQKFLEGFDAFLELLKCMQGMDPITRQVGQHIEMEPEWEAAFTLQMKLTHVISMMQDWCASDEKVLIEAYKKCLAVLMQCHGGYTDGEQPITLSICGHSVETIRYCVSQEKVSIHLPVSRLLAGLHVLLSKSEVAYKFPELLPLSELSPPMLIEHPLRCLVLCAQVHAGMWRRNGFSLVNQIYYYHNVKCRREMFDKDVVMLQTGVSMMDPNHFLMIMLSRFELYQIFSTPDYGKRFSSEITHKDVVQQNNTLIEEMLYLIIMLVGERFSPGVGQVNATDEIKREIIHQLSIKPMAHSELVKSLPEDENKETGMESVIEAVAHFKKPGLTGRGMYELKPECAKEFNLYFYHFSRAEQSKAEEAQRKLKRQNREDTALPPPVLPPFCPLFASLVNILQSDVMLCIMGTILQWAVEHNGYAWSESMLQRVLHLIGMALQEEKQHLENVTEEHVVTFTFTQKISKPGEAPKNSPSILAMLETLQNAPYLEVHKDMIRWILKTFNAVKKMRESSPTSPVAETEGTIMEESSRDKDKAERKRKAEIARLRREKIMAQMSEMQRHFIDENKELFQQTLELDASTSAVLDHSPVASDMTLTALGPAQTQVPEQRQFVTCILCQEEQEVKVESRAMVLAAFVQRSTVLSKNRSKFIQDPEKYDPLFMHPDLSCGTHTSSCGHIMHAHCWQRYFDSVQAKEQRRQQRLRLHTSYDVENGEFLCPLCECLSNTVIPLLLPPRNIFNNRLNFSDQPNLTQWIRTISQQIKALQFLRKEESTPNNASTKNSENVDELQLPEGFRPDFRPKIPYSESIKEMLTTFGTATYKVGLKVHPNEEDPRVPIMCWGSCAYTIQSIERILSDEDKPLFGPLPCRLDDCLRSLTRFAAAHWTVASVSVVQGHFCKLFASLVPNDSHEELPCILDIDMFHLLVGLVLAFPALQCQDFSGISLGTGDLHIFHLVTMAHIIQILLTSCTEENGMDQENPPCEEESAVLALYKTLHQYTGSALKEIPSGWHLWRSVRAGIMPFLKCSALFFHYLNGVPSPPDIQVPGTSHFEHLCSYLSLPNNLICLFQENSEIMNSLIESWCRNSEVKRYLEGERDAIRYPRESNKLINLPEDYSSLINQASNFSCPKSGGDKSRAPTLCLVCGSLLCSQSYCCQTELEGEDVGACTAHTYSCGSGVGIFLRVRECQVLFLAGKTKGCFYSPPYLDDYGETDQGLRRGNPLHLCKERFKKIQKLWHQHSVTEEIGHAQEANQTLVGIDWQHL

Predictions

Predictions:

Score>80(red) has high confidence and is suggested to be used for WB detection. *The prediction model is mainly based on the alignment of immunogen sequences, the results are for reference only, not as the basis of quality assurance.

Species
Results
Score
Pig
100
Horse
100
Bovine
100
Sheep
100
Dog
100
Xenopus
100
Zebrafish
100
Chicken
100
Rabbit
100
Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

PTMs - Q8IWV8 As Substrate

Site PTM Type Enzyme
A2 Acetylation
K27 Ubiquitination
K48 Ubiquitination
K94 Ubiquitination
K104 Ubiquitination
Y110 Phosphorylation
T141 Phosphorylation
T142 Phosphorylation
S143 Phosphorylation
T154 Phosphorylation
S224 Phosphorylation
K255 Ubiquitination
Y274 Phosphorylation
K284 Ubiquitination
S328 Phosphorylation
K443 Ubiquitination
T581 Phosphorylation
S734 Phosphorylation
K779 Ubiquitination
K789 Ubiquitination
K798 Ubiquitination
K821 Ubiquitination
K822 Ubiquitination
T826 Phosphorylation
Y844 Phosphorylation
K994 Ubiquitination
S1005 Phosphorylation
S1006 Phosphorylation
T1008 Phosphorylation
S1009 Phosphorylation
T1014 Phosphorylation
T1017 Phosphorylation
S1022 Phosphorylation
K1044 Ubiquitination
S1050 Phosphorylation
K1142 Ubiquitination
K1187 Ubiquitination
K1255 Ubiquitination
T1266 Phosphorylation
K1273 Ubiquitination
K1294 Ubiquitination
T1312 Phosphorylation
K1599 Ubiquitination
Y1607 Phosphorylation
K1621 Ubiquitination
K1689 Ubiquitination
K1718 Ubiquitination

Research Backgrounds

Function:

E3 ubiquitin-protein ligase which is a component of the N-end rule pathway. Recognizes and binds to proteins bearing specific N-terminal residues that are destabilizing according to the N-end rule, leading to their ubiquitination and subsequent degradation. Plays a critical role in chromatin inactivation and chromosome-wide transcriptional silencing during meiosis via ubiquitination of histone H2A. Binds leucine and is a negative regulator of the leucine-mTOR signaling pathway, thereby controlling cell growth. Required for spermatogenesis, promotes, with Tex19.1, SPO11-dependent recombination foci to accumulate and drive robust homologous chromosome synapsis (By similarity). Polyubiquitinates LINE-1 retrotransposon encoded, LIRE1, which induces degradation, inhibiting LINE-1 retrotransposon mobilization (By similarity).

Subcellular Location:

Nucleus.
Note: Associated with chromatin during meiosis.

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
Tissue Specificity:

Broadly expressed, with highest levels in skeletal muscle, kidney and pancreas. Present in acinar cells of the pancreas (at protein level).

Subunit Structure:

Interacts with UBE2B; promotes the UBE2B-H2A interaction and the ubiquitination of histone H2A by UBE2B and UBR2 (By similarity). Interacts with RECQL4. Interacts with TEX19; does not lead to TEX19 degradation and stabilizes it (By similarity). Interacts with CASP8. Interacts with ATXN3.

Family&Domains:

The RING-H2 zinc finger is an atypical RING finger with a His ligand in place of the fourth Cys of the classical motif.

The UBR-type zinc finger forms a pocket that mediates recognition of type 1 N-degrons. It exhibits preference for Arginine in first position, has poor affinity for histidine, and doesn't bind acetylated peptides.

Belongs to the UBR1 family.

References

1). Amelioration of hepatic steatosis by dietary essential amino acid-induced ubiquitination. Molecular cell, 2021 (PubMed: 35245436) [IF=16.0]

Application: WB    Species: Mouse    Sample:

Figure 3The physiological function of Ubr1 family proteins in preventing hepatic steatosis is evolutionarily conserved

2). Identification of Ubr1 as an amino acid sensor of steatosis in liver and muscle. Journal of Cachexia, Sarcopenia and Muscle, 2023 (PubMed: 37057345) [IF=8.9]

Application: WB    Species: Mouse    Sample:

Figure 6 Amino acid‐induced PLIN2 degradation is evolutionarily conserved. Endogenous mouse Ubr1/2 and human UBR1/2 specifically recognized endogenous Plin2/PLIN2 in an amino acid‐dependent manner (A–C). Knockdown of both Ubr1 and Ubr2 (abbreviated as Ubr1/2) led to increased protein levels of endogenous Plin2 in mouse AML12 normal hepatocytes (D). In contrast, knocking down either Ubr1 or Ubr2 alone had no effects (D). Knocking down both human UBR1 and UBR2 (abbreviated as UBR1/2), but neither alone, stimulated protein levels of endogenous PLIN2 in human JHH‐7 (E) and SNU‐475 hepatoma cells (F). For (A), (B), and (C), MG132 was added to prevent PLIN2 degradation in the proteasome.

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