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Anti-E1 Ubiquitin Activating Enzyme/UBA1 Antibody Picoband®

Boster Bio Anti-E1 Ubiquitin Activating Enzyme/UBA1 Antibody Picoband® catalog # PB9904. Tested in WB applications. This antibody reacts with Human, Mouse, Rat. The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.

Product Specifications

Background

Ubiquitin-like modifier activating enzyme 1 (UBA1) is an enzyme which in humans is encoded by the UBA1 gene. The protein encoded by this gene catalyzes the first step in ubiquitin conjugation, or ubiquitination, to mark cellular proteins for degradation. Specifically, UBA1 catalyzes the ATP-dependent adenylation of ubiquitin (Ub), thereby forming a thioester bond between the two. It also continues to participate in subsequent steps of ubiquination as a Ub carrier. UBA1 is one of only two human ubiquitin-activating enzymes (E1), the other being UBA6, and thus is largely responsible for protein ubiquitination in humans. Through its central role in ubiquitination, UBA1 has been linked to cell cycle regulation, endocytosis, signal transduction, apoptosis, DNA damage repair, and transcriptional regulation. Additionally, UBE1 helps regulate the NEDD8 pathway, thus implicating it in protein folding, as well as mitigating the depletion of ubiquitin levels during stress.

Synonyms

Ubiquitin-like modifier-activating enzyme 1;6.2.1.45 ; Protein A1S9; Ubiquitin-activating enzyme E1; UBA1; A1S9T, UBE1

Gene Name

UBA1

Gene ID

7317

UniProt

P22314

Host

Rabbit

Reactivity

Human, Mouse, Rat

Cross Reactivity

No cross-reactivity with other proteins.

Immunogen

A synthetic peptide corresponding to a sequence at the N-terminus of human UBA1, different from the related mouse and rat sequences by one amino acid.

Clonality

Polyclonal

Tissue Specificity

Detected in erythrocytes (at protein level) . Ubiquitous. .

Applications

WB

Field of Research

Cell Biology, Epigenetics and Nuclear Signaling, Proteasome / Ubiquitin, Proteolysis/Ubiquitin, Ubiquitin & Ubiquitin Like Modifiers

Purification

Immunogen affinity purified.

Concentration

Adding 0.2 ml of distilled water will yield a concentration of 500 μg/ml.

Form

Lyophilized

Reconstitution

Add 0.2ml of distilled water will yield a concentration of 500ug/ml.

Function

Catalyzes the first step in ubiquitin conjugation to mark cellular proteins for degradation through the ubiquitin- proteasome system (PubMed:1606621, PubMed:1447181) . Activates ubiquitin by first adenylating its C-terminal glycine residue with ATP, and thereafter linking this residue to the side chain of a cysteine residue in E1, yielding a ubiquitin-E1 thioester and free AMP (PubMed:1447181) . Essential for the formation of radiation- induced foci, timely DNA repair and for response to replication stress. Promotes the recruitment of TP53BP1 and BRCA1 at DNA damage sites (PubMed:22456334) . .

References & Citations

1. Entrez Gene: ubiquitin-like modifier activating enzyme 1. 2. Moudry P, Lukas C, Macurek L, Hanzlikova H, Hodny Z, Lukas J, Bartek J (Apr 2012) . Ubiquitin-activating enzyme UBA1 is required for cellular response to DNA damage. Cell Cycle 11 (8) : 1573–82.

Storage Conditions

Store at -20°C for one year from date of receipt. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months. Avoid repeated freeze-thaw cycles.

Calculated Molecular Weight

117849 MW

Observed Molecular Weight

117 kDa

Specificity

No cross reactivity with other proteins.

Gene Name Synonym

Ubiquitin-like modifier-activating enzyme 1

Subcellular Location

Cytoplasm . Mitochondrion . Nucleus .

Protein Name

Ubiquitin-like modifier-activating enzyme 1

Isotype

Rabbit IgG

Contents

Each vial contains 5mg BSA, 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg NaN3.

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