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Recombinant Human RISC-loading complex subunit TARBP2 (TARBP2)

CAT: 0399-CSB-EP623007HU-01Size: 20 µgDry Ice: NoHazardous: No
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CAT#:0399-CSB-EP623007HU-01Size:20 µg
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24/48H Stock Items & 2 to 6 Weeks non Stock Items.
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Product Name Alternative
TAR RNA-binding protein 2 Trans-activation-responsive RNA-binding protein
Abbreviation
Recombinant Human TARBP2 protein
Gene Name
TARBP2
UniProt
Q15633
Expression Region
1-366aa
Organism
Homo sapiens (Human)
Target Sequence
MSEEEQGSGTTTGCGLPSIEQMLAANPGKTPISLLQEYGTRIGKTPVYDLLKAEGQAHQPNFTFRVTVGDTSCTGQGPSKKAAKHKAAEVALKHLKGGSMLEPALEDSSSFSPLDSSLPEDIPVFTAAAAATPVPSVVLTRSPPMELQPPVSPQQSECNPVGALQELVVQKGWRLPEYTVTQESGPAHRKEFTMTCRVERFIEIGSGTSKKLAKRNAAAKMLLRVHTVPLDARDGNEVEPDDDHFSIGVGSRLDGLRNRGPGCTWDSLRNSVGEKILSLRSCSLGSLGALGPACCRVLSELSEEQAFHVSYLDIEELSLSGLCQCLVELSTQPATVCHGSATTREAARGEAARRALQYLKIMAGSK
Tag
N-terminal GST-tagged
Type
Developed Protein
Source
E.coli
Field of Research
Microbiology
Relevance
Required for formation of the RNA induced silencing complex (RISC) . Component of the RISC loading complex (RLC), also known as the micro-RNA (miRNA) loading complex (miRLC), which is composed of DICER1, AGO2 and TARBP2. Within the RLC/miRLC, DICER1 and TARBP2 are required to process precursor miRNAs (pre-miRNAs) to mature miRNAs and then load them onto AGO2. AGO2 bound to the mature miRNA constitutes the minimal RISC and may subsequently dissociate from DICER1 and TARBP2. May also play a role in the production of short interfering RNAs (siRNAs) from double-stranded RNA (dsRNA) by DICER1. Binds to the HIV-1 TAR RNA which is located in the long terminal repeat (LTR) of HIV-1, and stimulates translation of TAR-containing RNAs. This is achieved in part at least by binding to and inhibiting EIF2AK2/PKR, thereby reducing phosphorylation and inhibition of EIF2S1/eIF-2-alpha. May also promote translation of TAR-containing RNAs independently of EIF2AK2/PKR.
Endotoxin
Not test
Purity
Greater than 90% as determined by SDS-PAGE.
Activity
Not Test
Form
Liquid or Lyophilized powder
Buffer
If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Function
Required for formation of the RNA induced silencing complex (RISC) . Component of the RISC loading complex (RLC), also known as the micro-RNA (miRNA) loading complex (miRLC), which is composed of DICER1, AGO2 and TARBP2. Within the RLC/miRLC, DICER1 and TARBP2 are required to process precursor miRNAs (pre-miRNAs) to mature miRNAs and then load them onto AGO2. AGO2 bound to the mature miRNA constitutes the minimal RISC and may subsequently dissociate from DICER1 and TARBP2. May also play a role in the production of short interfering RNAs (siRNAs) from double-stranded RNA (dsRNA) by DICER1. Binds to the HIV-1 TAR RNA which is located in the long terminal repeat (LTR) of HIV-1, and stimulates translation of TAR-containing RNAs. This is achieved in part at least by binding to and inhibiting EIF2AK2/PKR, thereby reducing phosphorylation and inhibition of EIF2S1/eIF-2-alpha. May also promote translation of TAR-containing RNAs independently of EIF2AK2/PKR.
Molecular Weight
66 kDa
References & Citations
"Characterization of a human TAR RNA-binding protein that activates the HIV-1 LTR." Gatignol A., Buckler-White A.J., Berkhout B., Jeang K.T. Science 251:1597-1600 (1991)
Storage Conditions
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself. Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Protein Length
Full Length

UniProtKB · Q15633

RISC-loading complex subunit TARBP2

TRBP2_HUMAN · Homo sapiens

View on UniProt ↗
Primary accession
Q15633
Review status
UniProtKB reviewed (Swiss-Prot)
Gene
TARBP2
Protein existence
1: Evidence at protein level
Organism
Homo sapiens (Human)
Taxonomy ID
9606
Alternative names
—
EC number
—
Processing
—
Secondary accessions
Q12878, Q8WY32, Q8WY33, Q9BRY2
Protein keywords

Technical term

3D-structureProteomics identificationReference proteome

Coding sequence diversity

Alternative promoter usage

Cellular component

CytoplasmNucleus

PTM

Phosphoprotein

Domain

Repeat

Molecular function

RNA-binding

Biological process

RNA-mediated gene silencingTranslation regulation

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