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Recombinant Rat CXCL7/Thymus Chemokine-1 Protein

Catalog #: 1116-CK Datasheet

Carrier Free

Catalog # Availability Size / Price Qty
1116-CK-025/CF

With Carrier

Catalog # Availability Size / Price Qty
1116-CK-025
R&D Systems Recombinant Proteins and Enzymes
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Recombinant Rat CXCL7/Thymus Chemokine-1 Protein Summary

Product Specifications

Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain
Endotoxin Level
<0.10 EU per 1 μg of the protein by the LAL method.
Activity
Measured by its ability to chemoattract BaF3 mouse pro‑B cells transfected with human CXCR2. The ED50 for this effect is 1-5 ng/mL.
Source
E. coli-derived rat CXCL7/Thymus Chemokine-1 protein
Ile46-Ile107
Accession #
Q99ME0
N-terminal Sequence
Analysis
Ile46
Predicted Molecular Mass
6.8 kDa

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1116-CK (with carrier)

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1116-CK/CF (carrier free)

Product Datasheet

Carrier Free

What does CF mean?

CF stands for Carrier Free (CF). We typically add Bovine Serum Albumin (BSA) as a carrier protein to our recombinant proteins. Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. The carrier free version does not contain BSA.

What formulation is right for me?

In general, we advise purchasing the recombinant protein with BSA for use in cell or tissue culture, or as an ELISA standard. In contrast, the carrier free protein is recommended for applications, in which the presence of BSA could interfere.

1116-CK

Formulation Lyophilized from a 0.2 μm filtered solution in PBS with BSA as a carrier protein.
Reconstitution Reconstitute at 25 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

1116-CK/CF

Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 100 μg/mL in sterile PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: CXCL7/Thymus Chemokine-1

CXCL7 is a member of the alpha (CXC) subfamily of chemokines. Rat CXCL7 cDNA encodes a 111 amino acid residue precursor protein. Rat CXCL7 shares 72% amino acid sequence identity with mouse CXCL7 (accession number AAG36786). The recombinant rat CXCL7 produced by R&D Systems has been shown to chemoattract human CXCR2 transfected mouse BaF/3 cells, but not human CXCR1 transfected mouse BaF/3 cells.

Entrez Gene IDs
57349 (Mouse); 246358 (Rat)
Alternate Names
Beta-TG;B-TG1;CTAP3;CTAPIII;CTAP-III;CXCL7;LA-PF4;LDGF;MDGF;NAP-2;PBP;Platelet basic protein;PPBP;SCYB7;TC1;TC2;TGB;TGB1;THBGB;THBGB1; Thymus Chemokine1; Thymus Chemokine-1

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