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Human LBP protein (active)

Human LBP protein (active). GTX00248-pro
Human LBP protein (active). GTX00248-pro
Human LBP protein (active). GTX00248-pro

Cat No. GTX00248-pro

Application Functional Assay
Species Human
Package
10 μg ($299)
APPLICATION

Application Note

Lipopolysaccharide Binding Protein (LBP) is a soluble acute-phase protein that binds to bacterial lipopolysaccharide (or LPS) to elicit immune responses by presenting the LPS to important cell surface pattern recognition receptors called CD14 and TLR4. The protein encoded by this gene is involved in the acute-phase immunologic response to gram-negative bacterial infections. This protein is part of a family of structurally and functionally related proteins, including BPI, plasma cholesteryl ester transfer protein (CETP), and phospholipid transfer protein (PLTP). Besides, Cluster Of Differentiation 14 (CD14) has been identified as an interactor of LBP, thus a binding ELISA assay was conducted to detect the interaction of recombinant human LBP and recombinant human CD14. Briefly, LBP were diluted serially in PBS, with 0.01% BSA (pH 7.4). Duplicate samples of 100 μl were then transferred to CD14-coated microtiter wells and incubated for 2h at 37ºC. Wells were washed with PBST and incubated for 1h with anti-LBP pAb, then aspirated and washed 3 times. After incubation with HRP labelled secondary antibody, wells were aspirated and washed 3 times. With the addition of substrate solution, wells were incubated 15-25 minutes at 37ºC. Finally, add 50 μl stop solution to the wells and read at 450nm immediately. The binding activity of LBP and CD14 was in a dose dependent manner.

Observed MW

52 kDa.
PROPERTIES

Form

Lyophilized powder

Buffer

Lyophilized from 20 mM Tris (pH 8.0) with 150 mM NaCl, 1 mM EDTA, 1 mM DTT, 0.01% SKL, 5% Trehalose, Proclin300. Reconstitute with 20 mM Tris and 150 mM NaCl (pH 8.0) to a concentration of 0.1-1.0 mg/mL. Do not vortex.

Storage

For short-term storage (1-2 weeks), store at 4ºC. For long-term storage, store at -20ºC or below. After reconstitution, keep as concentrated solution.Avoid freeze-thaw cycles.

Region/Sequence

N-terminal His-Tag; Asn27~Val481 (NP_004130.2)

Expression System

E. coli

Purity

> 95%

Endotoxin

< 1 EU/μg

Conjugation

Unconjugated

Note

For laboratory use only. Not for any clinical, therapeutic, or diagnostic use in humans or animals. Not for animal or human consumption.
TARGET

Synonyms

lipopolysaccharide binding protein,BPIFD2

Background

The protein encoded by this gene is involved in the acute-phase immunologic response to gram-negative bacterial infections. Gram-negative bacteria contain a glycolipid, lipopolysaccharide (LPS), on their outer cell wall. Together with bactericidal permeability-increasing protein (BPI), the encoded protein binds LPS and interacts with the CD14 receptor, probably playing a role in regulating LPS-dependent monocyte responses. Studies in mice suggest that the encoded protein is necessary for the rapid acute-phase response to LPS but not for the clearance of LPS from circulation. This protein is part of a family of structurally and functionally related proteins, including BPI, plasma cholesteryl ester transfer protein (CETP), and phospholipid transfer protein (PLTP). [provided by RefSeq, Apr 2012]

Database

Research Area

DATA IMAGES
Human LBP protein (active). GTX00248-pro

GTX00248-pro Functional Assay Image

Functional ELISA analysis of GTX00248-pro Human LBP protein (active) which can bind immobilized CD14 protein.

Human LBP protein (active). GTX00248-pro

GTX00248-pro Image

WB analysis of GTX00248-pro Human LBP protein (active).

Human LBP protein (active). GTX00248-pro

GTX00248-pro Image

SDS-PAGE analysis of GTX00248-pro Human LBP protein (active).

REFERENCE
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