HIV-1, 2-HIV

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HIV-1, 2

Qty


Total
$195
Catalog #
HIPS-138
Size
Description
HIV-1,2 recombinant- E.Coli derived recombinant 27 kDa protein contains the C- terminus of gp120 and most of gp41. The protein is conjµgated to a 23 amino acids synthetic peptide derived from gp39 of HIV-2.
Additional Information
IntroductionHIV-1 and HIV-2 appear to package their RNA differently. HIV-1 binds to any appropriate RNA whereas HIV-2 preferentially binds to mRNA which creates the Gag protein itself. This means that HIV-1 is better able to mutate. HIV-2 is transmitted in the same ways as HIV-1: Throµgh exposure to bodily fluids such as blood, semen, tears and vaginal fluids.Immunodeficiency develops more slowly with HIV-2.HIV-2 is less infectious in the early stages of the virus than with HIV-1.The infectiousness of HIV-2 increases as the virus progresses.Major differences include reduced pathogenicity of HIV-2 relative to HIV-1, enhanced immune control of HIV-2 infection and often some degree of CD4-independence. Despite considerable sequence and phenotypic differences between HIV-1 and 2 envelopes, structurally they are quite similar. Both membrane-anchored proteins eventually form the 6-helix bundles from the N-terminal and C-terminal regions of the ectodomain, which is common to many viral and cellular fusion proteins and which seems to drive fusion.HIV-1 gp41 helical regions can form more stable 6-helix bundles than HIV-2 gp41 helical regions however HIV-2 fusion occurs at a lower threshold temperature (25°C), does not require Ca2+ in the medium, is insensitive to treatment of target cells with cytochalasin B, and is not affected by target membrane glycosphingolipid composition.
SynonymsNULL
SourceEscherichia Coli.
Physical AppearanceSterile filtered colorless clear solution.
Formulation100 mM Na-PO4, pH 6 & 0.05% SDS.
StabilityHIV-1,2 althoµgh stable at 4°C for 1 week, should be stored below -18°C. Please prevent freeze thaw cycles.
PurityGreater than 95.0% as determined by HPLC analysis and SDS-PAGE.
UsageNeoScientific's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drµgs, agricultural or pesticidal products, food additives or household chemicals.
ApplicationsHIV-1,2 antigen is suitable for ELISA and Western blots, excellent antigen for early detection of HIV seroconvertors with minimal specificity problems.
SpecificityImmunoreactive with all sera of HIV-1, HIV type O & HIV-2 infected individuals.
Background

N/A

Protocol

N/A

MSDS
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