SDF-1beta (CXCL12), human recombinant | 4390

Stromal cell-derived factor-1 is a stromal derived CXC chemokine. It signals through CXCR4 receptor. Recombinant Human SDF-1 is an 8.5 kDa protein containing 72 amino acid residues.

4390 | SDF-1beta CXCL12 human recombinant DataSheet

Biomolecule/Target: SDF-1 beta

Synonyms: SDF-1, CXCL12, Pre-B cell growth-stimulating factor, PBSF, hIRH, chemokine (C-X-C motif) ligand 12, SDF1, SDF1B, TPAR1, SCYB12, SDF-1b, TLSF-b.

Alternates names: MK, NEGF-2

Taglines: A small cytokine strongly chemotactic for lymphocytes

NCBI Gene ID #: 17242

NCBI Gene Symbol: MDK

Gene Source: Murine

Accession #: P12025

Recombinant: Yes

Source: E. coli.

Purity by SDS-PAGEs: 98%

Assay: SDS-PAGE

Purity: N/A

Assay #2: HPLC

Endotoxin Level: < 0.1 ng/g of protein (<1EU/g).

Activity (Specifications/test method): Determined by its ability to chemoattract human neutrophils using a concentration range of 10-100 ng/ml.

Biological activity: Determined by its ability to chemoattract human neutrophils using a concentration range of 10-100 ng/ml.

Results: N/A

Binding Capacity: N/A

Unit Definition: N/A

Molecular Weight: 13.3 kDa

Concentration: N/A

Appearance: Lyophilized protein

Physical form description: Sterile filtered through a 0.2 micron filter. Lyophilized from 0.4 x PBS, pH 7.4.

Reconstitution Instructions: Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.1-1.0 mg/ml. Do not vortex. This solution can be stored at 2-8°C for up to 1 week. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at -20°C to -80°C.

Amino acid sequence: VAKKKEKVKK GSECSEWTWG PCTPSSKDCG MGFREGTCGA QTQRVHCKVP CNWKKEFGAD CKYKFESWGA CDGSTGTKAR QGTLKKARYN AQCQETIRVT KPCTSKTKSK TKAKKGKGKD