Recombinant Cynomolgus Lipocalin-2/NGAL His-tag Protein, CF

R&D Systems, part of Bio-Techne | Catalog # 2357-LC

R&D Systems, part of Bio-Techne
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2357-LC-050
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Key Product Details

Source

CHO

Accession #

XP_005580845.2

Conjugate

Unconjugated

Applications

Enzyme Activity

View all Lipocalin-2/NGAL Proteins and Enzymes »

Product Specifications

Source

Chinese Hamster Ovary cell line, CHO-derived cynomolgus monkey Lipocalin-2/NGAL protein
Gln21-Gly198
with C-terminal 6-His tag

Purity

>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.

Endotoxin Level

<0.10 EU per 1 μg of the protein by the LAL method.

N-terminal Sequence Analysis

No results obtained. Gln21 is inferred from enzymatic pyroglutamate treatment revealing Asp22.

Predicted Molecular Mass

21 kDa

SDS-PAGE

21-27 kDa, reducing conditions

Activity

Measured by its ability to bind Iron(III) dihydroxybenzoic acid [Fe(DHBA)3]. The binding of Fe(DHBA)3 results in the quenching of Trp fluorescence in Lipocalin-2.
>1.0 μM of Fe(DHBA)3 can be bound under the described conditions.

Scientific Data Images for Recombinant Cynomolgus Lipocalin-2/NGAL His-tag Protein, CF

Recombinant Cynomolgus Lipocalin-2/NGAL His-tag Protein Binding Activity

Recombinant Cynomolgus Lipocalin-2/NGAL His-tag Protein Binding Activity

Recombinant Cynomolgus Monkey Lipocalin-2 (Catalog # 2357-LC) is measured by its ability to bind Iron(III) dihydroxybenzoic acid.
Recombinant Cynomolgus Lipocalin-2/NGAL His-tag Protein SDS-PAGE

Recombinant Cynomolgus Lipocalin-2/NGAL His-tag Protein SDS-PAGE

2 μg/lane of Recombinant Cynomolgus Monkey Lipocalin‑2/NGAL was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing a primary band at 24 kDa under reducing conditions.

Formulation, Preparation and Storage

2357-LC
Formulation Supplied as a 0.2 μm filtered solution in MES and NaCl.
Shipping The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 6 months from date of receipt, -20 to -70 °C as supplied.
  • 3 months, -20 to -70 °C under sterile conditions after opening.

Background: Lipocalin-2/NGAL

Lipocalin-2 (LCN-2) is a member of the lipocalin family. These proteins share a highly conserved fold with an eight-stranded antiparallel beta barrel and act as small molecule transporters (1). Lipocalin-2, also known as Neutrophil Gelatinase-Associated Lipocalin (NGAL), was originally identified as a component of neutrophil granules (2). It is a 25 kDa protein existing in monomeric and homo- and heterodimeric forms, the latter as a dimer with neutrophil gelatinases (MMP-9) (2). Studies indicate that Lipocalin-2 binds iron through association with dihydroxybenzoic acid (DHBA), a sidropore similar to bacterial enterobactin (3). Its expression has been observed in most tissues normally exposed to microorganisms and is induced in epithelial cells during inflammation (2). Secretion of Lipocalin-2 in immune cells increases by stimulation of Toll-like receptor as an acute phase response to infection. As a result, it acts as a potent bacteriostatic reagent by sequestering iron (4). Lipocalin-2 has been implicated in a variety of processes including cell differentiation, tumorigenesis, and apoptosis (5-8).  Lipocalin-2 can alter the invasive and metastatic behavior of Ras-transformed breast cancer cells via effects on the Ras-MAPK signaling pathway (9). In the kidney, Lipocalin-2 mediated iron trafficking may be involved in renal injury, and it has been implicated as a marker for early kidney failure (10-12).

References

  1. Flower, D. R. et al. (1994) FEBS Lett. 354:7.
  2. Kjeldsen L. et al. (2000) Biochim. Biophys. Acta. 1482:272.
  3. Goetz, D. H. et al. (2002) Mol. Cell 10:1033.
  4. Flo, T. H. et al. (2004) Nature 432:917.
  5. Yang, M. B. et al. (2002) Mol. Cell. 10:1045.
  6. Ferreira, A. C. et al. (2018) Neurosci. BioBehav. Rev. 95:73.
  7. Devireddy, L. R. et al. (2001) Science 293:829.
  8. Jung, M. et al. (2017) Front. Immunol. 8:1171.
  9. Hanai, J. et al. (2005) J. Biol. Chem. 280:13641.
  10. Mori, K. et al. (2005) J. Clin. Invest. 115:610.
  11. Sun, W. Y. et al. (2018) JCI Insight. 3:120196.
  12. Zhou, F. et al. (2016) Eur. J. Cardiothorac. Surg. 49:746.

Long Name

Neutrophil Gelatinase-associated Lipocalin

Alternate Names

24p3, LCN2, Lipocalin2, MSFI, NGAL, Oncogene 24p3, p25, Siderocalin, Uterocalin

Entrez Gene IDs

3934 (Human); 16819 (Mouse); 170496 (Rat); 102137149 (Cynomolgus Monkey)

Gene Symbol

LCN2

UniProt

XP_005580845.2

Additional Lipocalin-2/NGAL Products

Product Documents for Recombinant Cynomolgus Lipocalin-2/NGAL His-tag Protein, CF

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Product Specific Notices for Recombinant Cynomolgus Lipocalin-2/NGAL His-tag Protein, CF

For research use only

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