OTUB1 Protein (AA 2-201, partial) (GST tag)

Catalog No. ABIN5712303

Product Details

Target: OTUB1 (OTU Domain, Ubiquitin Aldehyde Binding 1 (OTUB1))

Protein Type: Recombinant

Protein Characteristics: partial, AA 2-201

Origin: Human

Source: Escherichia coli (E. coli)

Purification tag / Conjugate: This OTUB1 protein is labelled with GST tag.

Application: SDS-PAGE (SDS)

Sequence: AAEEPQQQKQ EPLGSDSEGV NCLAYDEAIM AQQDRIQQEI AVQNPLVSER LELSVLYKEY AEDDNIYQQK IKDLHKKYSY IRKTRPDGNC FYRAFGFSHL EALLDDSKEL QRFKAVSAKS KEDLVSQGFT EFTIEDFHNT FMDLIEQVEK QTSVADLLAS FNDQSTSDYL VVYLRLLTSG YLQRESKFFE HFIEGGRTVK

Purification: SDS-PAGE

Purity: > 90 %

Application Details

Application Notes: Optimal working dilution should be determined by the investigator.

Restrictions: For Research Use only

Handling

Format: Liquid

Concentration: 0.1-2 mg/mL

Buffer: 20 mM Tris-HCl based buffer, pH 8.0

Storage: -80 °C,4 °C,-20 °C

Storage Comment: Store at -20°C, for extended storage, conserve at -20°C or -80°C. Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Target Details

Target: OTUB1 (OTU Domain, Ubiquitin Aldehyde Binding 1 (OTUB1))

Alternative Name: OTUB1 (OTUB1 Products)

Synonyms: OTB1 Protein, OTU1 Protein, AI850305 Protein, fa19h07 Protein, otub1 Protein, wu:fa19h07 Protein, zgc:92839 Protein, MGC131231 Protein, fb17f04 Protein, otub1l Protein, wu:fb17f04 Protein, zgc:92685 Protein, OTU deubiquitinase, ubiquitin aldehyde binding 1 Protein, OTU domain, ubiquitin aldehyde binding 1 Protein, OTU deubiquitinase, ubiquitin aldehyde binding 1b Protein, OTU deubiquitinase, ubiquitin aldehyde binding 1 L homeolog Protein, similar to HSPC263 Protein, OTU deubiquitinase, ubiquitin aldehyde binding 1a Protein, OTUB1 Protein, Otub1 Protein, otub1b Protein, otub1.L Protein, otub1 Protein, RGD1565010 Protein, otub1a Protein

Background: Hydrolase that can specifically rove 'Lys-48'-linked conjugated ubiquitin from proteins and plays an important regulatory role at the level of protein turnover by preventing degradation. Regulator of T-cell anergy, a phenomenon that occurs when T-cells are rendered unresponsive to antigen rechallenge and no longer respond to their cognate antigen. Acts via its interaction with RNF128/GRAIL, a crucial inductor of CD4 T-cell anergy. Isoform 1 destabilizes RNF128, leading to prevent anergy. In contrast, isoform 2 stabilizes RNF128 and promotes anergy. Surprisingly, it regulates RNF128-mediated ubiquitination, but does not deubiquitinate polyubiquitinated RNF128. Deubiquitinates estrogen receptor alpha (ESR1). Mediates deubiquitination of 'Lys-48'-linked polyubiquitin chains, but not 'Lys-63'-linked polyubiquitin chains. Not able to cleave di-ubiquitin. Also capable of roving NEDD8 from NEDD8 conjugates, but with a much lower preference compared to 'Lys-48'-linked ubiquitin.Plays a key non-catalytic role in DNA repair regulation by inhibiting activity of RNF168, an E3 ubiquitin-protein ligase that promotes accumulation of 'Lys-63'-linked histone H2A and H2AX at DNA damage sites. Inhibits RNF168 independently of ubiquitin thioesterase activity by binding and inhibiting UBE2N/UBC13, the E2 partner of RNF168, thereby limiting spreading of 'Lys-63'-linked histone H2A and H2AX marks. Inhibition occurs by binding to free ubiquitin: free ubiquitin acts as an allosteric regulator that increases affinity for UBE2N/UBC13 and disrupts interaction with UBE2V1. The OTUB1-UBE2N/UBC13-free ubiquitin complex adopts a configuration that mimics a cleaved 'Lys48'-linked di-ubiquitin chain.

Molecular Weight: 50.5 kDa

UniProt: Q96FW1