Envelope glycoprotein B (gB), partial, human herpesvirus 7, recombinant

Organism: Human herpesvirus 7 (strain JI) (HHV-7) (Human T lymphotropic virus). Source: E.coli. Expression Region: 23-259aa. Protein Length: Partial. Tag Info: N-terminal 6xHis-tagged. Target Protein Sequence: DFVMTGHNQH LPFRICSIAT GTDLVRFDRE VSCASYGSNI KTTEGILIIY KTKIEAHTFS VRTFKKELTF QTTYRDVGTV YFLDRTVTTL PMPIEEVHMV NTEARCLSSI SVKRSEEEEY VAYHKDEYVN KTLDLIPLNF KSDTVRRYIT TKEPFLRNGP LWFYSTSTSI NCIVTDCIAK TKYPFDFFAL STGETVEGSP FYNGINSKTF NEPTEKILFR NNYTMLKTFD DGSKGNF. Purity: Greater than 85% as determined by SDS-PAGE. Endotoxin: Not test. Biological Activity: n/a. 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. Storage: 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. Notes: Repeated freezing and thawing is not recommended. Store working aliquots at 4 °C for up to one week. Relevance: Envelope glycoprotein that forms spikes at the surface of virion envelope. Essential for the initial attachment to heparan sulfate moities of the host cell surface proteoglycans. Involved in fusion of viral and cellular membranes leading to virus entry into the host cell. Following initial binding to its host receptors, membrane fusion is mediated by the fusion machinery composed at least of gB and the heterodimer gH/gL. May be involved in the fusion between the virion envelope and the outer nuclear membrane during virion egress. Reference: "Determination and analysis of the complete nucleotide sequence of human herpesvirus." Nicholas J. J. Virol. 70:5975-5989(1996). Function: nan