Recombinant Human immunodeficiency virus type 2 subtype A Envelope glycoprotein gp160(env) ,partial

Code CSB-YP322990HLU
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Source Yeast
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Code CSB-EP322990HLU
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Source E.coli
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Code CSB-EP322990HLU-B
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Source E.coli
Conjugate Avi-tag Biotinylated
E. coli biotin ligase (BirA) is highly specific in covalently attaching biotin to the 15 amino acid AviTag peptide. This recombinant protein was biotinylated in vivo by AviTag-BirA technology, which method is BriA catalyzes amide linkage between the biotin and the specific lysine of the AviTag.
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Code CSB-BP322990HLU
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Source Baculovirus
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Code CSB-MP322990HLU
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Source Mammalian cell
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Product Details

Purity >85% (SDS-PAGE)
Target Names env
Uniprot No. P18094
Alternative Names envEnvelope glycoprotein gp160; Env polyprotein) [Cleaved into: Surface protein gp120; SU; Glycoprotein 120; gp120); Transmembrane protein gp41; TM; Glycoprotein 41; gp41)]
Species Human immunodeficiency virus type 2 subtype A (isolate BEN) (HIV-2)
Protein Length Extracellular domain
Tag Info The following tags are available.
N-terminal His-tagged
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Form Lyophilized powder
Buffer before Lyophilization 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℃/-80℃. Our default final concentration of glycerol is 50%. Customers could use it as reference.
and FAQs
Protein FAQs
Storage Condition Store at -20°C upon receipt, aliquoting is necessary for mutiple use. Avoid repeated freeze-thaw cycles.
Shelf Life 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.
Lead Time Delivery time may differ from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Note: All of our proteins are default shipped with normal blue ice packs, if you request to ship with dry ice, please communicate with us in advance and extra fees will be charged.
Notes Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.
Datasheet Please contact us to get it.

Target Data

Function The surface protein gp120 (SU) attaches the virus to the host lymphoid cell by binding to the primary receptor CD4. This interaction induces a structural rearrangement creating a high affinity binding site for a chemokine coreceptor like CXCR4 and/or CCR5. This peculiar 2 stage receptor-interaction strategy allows gp120 to maintain the highly conserved coreceptor-binding site in a cryptic conformation, protected from neutralizing antibodies. Since CD4 also displays a binding site for the disulfide-isomerase P4HB/PDI, a P4HB/PDI-CD4-CXCR4-gp120 complex may form. In that complex, P4HB/PDI could reach and reduce gp120 disulfide bonds, causing major conformational changes in gp120. TXN, another PDI family member could also be involved in disulfide rearrangements in Env during fusion. These changes are transmitted to the transmembrane protein gp41 and are thought to activate its fusogenic potential by unmasking its fusion peptide (By similarity).
Gene References into Functions
  1. Importantly, the authors demonstrate for the first time that the HIV-2 Env induces NF-kappaB activation in HEKappa293T cells. Furthermore, the anti-BST-2 activity of the HIV-2 Env is not sufficient to completely inhibit NF-kappaB activity. PMID: 29028477
  2. Among 32 HIV-2 ROD Env mutants tested, the authors demonstrated that the asparagine residue at position 659 located in the gp36 ectodomain is mandatory to exert the anti-tetherin function. PMID: 27754450
  3. Antagonism of BST-2 is a conserved function of the env glycoprotein of primary HIV-2 isolates. PMID: 27681141
  4. results shed light on the interaction between HIV-2 Env and tetherin, suggesting a physical interaction that maps to the ectodomains of both proteins and indicating a strong selection pressure to maintain an anti-tetherin activity in the HIV-2 Env PMID: 26248668
  5. These data show that the usage of CCR8 and the switch from R8 to R5 or R5X4 phenotype is determined by amino acids located in the base and tip of V1 and V2 loops of HIV-2 Env surface glycoprotein. PMID: 25421818
  6. C2-V3-C3 mutations in HIV2 gp125 were associated with CXCR4 and CCR5 co-receptor usage. PMID: 21814863
  7. The essential GYxxtheta motif in the HIV-2 Env tail recruits AP-2 in order to direct Env to a cellular pathway or location that is necessary for its ability to enhance virus release. PMID: 16501101
  8. Site-directed mutagenesis identified three motifs in the HIV-2 cytoplasmic tail required to effect the reduction in acetylated tubulin. PMID: 18400243
  9. antagonist to human tetherin by intracellular sequestration PMID: 19740980

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Subcellular Location Transmembrane protein gp41: Virion membrane, Single-pass type I membrane protein, Host cell membrane, Single-pass type I membrane protein, Host endosome membrane, Single-pass type I membrane protein, Note=It is probably concentrated at the site of budding and incorporated into the virions possibly by contacts between the cytoplasmic tail of Env and the N-terminus of Gag, SUBCELLULAR LOCATION: Surface protein gp120: Virion membrane, Peripheral membrane protein, Host cell membrane, Peripheral membrane protein, Host endosome membrane, Peripheral membrane protein
Database Links

KEGG: vg:1724717

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