Technical Data
Stromal Cell Derived Factor 1 beta, Recombinant, Mouse (SDF1b, CXCL12b, Pre-B Cell Growth-stimulating Factor, PBSF, hIRH, Chemokine (C-X-C Motif) Ligand 12b, TPAR1, SCYB12, TLSF-b)
Molecular Biology Storage: -20CShipping: Blue Ice
Stromal cell-derived factor-1 beta is a stromal derived CXC chemokine. It signals through CXCR4 receptor. Recombinant murine SDF-1B is an 8.5kD protein containing 72 amino acid residues.

Source: E.coli

Endotoxin: 0.1ng/ug

Biological Activity:
Determined by its ability to chemoattract human peripheral blood monocytes using a concentration range of 50-100ng/ml.

Storage and Stability:
Lyophilized powder may be stored at 4C for short-term only. Stable for at least 6 months at -20C. Reconstitute with sterile ddH2O, aliquot and store at -20C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.

Molecular Weight:
Source: E. coli
Purity: 98% (SDS-PAGE and HPLC)
Concentration: Not determined
Form: Supplied as a lyophilized powder with no additives. Reconstitude with ddH2O to 0.1-1mg/ml.

Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Intended for research use only. Not for use in human, therapeutic, or diagnostic applications.