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Gibco
Human CXCL12 (SDF-1g) Recombinant Protein, PeproTech®
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Product Details
300-28G-250UG
Applications
Tested Dilution
Publications
Product Specifications
Species
Human
Expression System
E. coli
Amino acid sequence
KPVSLSYRCP CRFFESHVAR ANVKHLKILN TPNCALQIVA RLKNNNRQVC IDPKLKWIQE YLEKALNKGR REEKVGKKEK IGKKKRQKKR KAAQKRKN
Molecular weight
11.6 kDa
Class
Recombinant
Type
Protein
Purity
≥98% by SDS-PAGE gel and HPLC analyses.
Endotoxin concentration
<1 EU/µg
Activity
Determined by its ability to chemoattract human T cells.
Conjugate
Unconjugated
Unconjugated
Unconjugated
Form
Lyophilized
Amount
250 µg
Purification
purified
Contains
no preservative
Storage conditions
-20°C
Shipping conditions
Ambient
Product Specific Information
Recombinant Human CXCL12 (SDF-1g) is a 11.6 kDa protein containing 98 amino acid residues.
This product is shipped at ambient temperature. For storage, handling and reconstitution information, please see the lot-specific Certificate of Analysis
Target Information
The SDF-1 proteins are stromal-derived CXC chemokines that signal primarily through the CXCR4 receptor. SDF-1 proteins exert chemotactic activity over a broad range of immune system cell types and may also be involved in other processes including metastasis of certain cancers, inflammation, and angiogenesis. Additionally, SDF-1 can suppress HIV entry into cells expressing the CXCR4 receptor. Five isomers of SDF-1 have been found with SDF-1alpha being the predominant form, expressing in a wide range of cell types. The SDF-1gamma isoform is distinctive in that it contains a highly basic C-terminal region, which presumably is the reason for its high binding affinity to gylcosaminoglycans (GAG) and heparin sulfate (HS). Consequently, most of SDF-1gamma exists in a cell- and membrane-bound form, which confers greater stability compared to other isoforms via increased resistance to proteolytic degradation. SDF-1gamma binds with reduced affinity to the CXCR4 receptor when compared to the alpha and beta isoforms, but because of its increased stability can, over time, exert equal or greater activity when compared to other SDF-1 isoforms. SDF-1gamma expression has been found primarily in the heart (human and mouse) and in the brain and central nervous system (rat).
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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Bioinformatics
Protein Aliases: chemokine; chemokine (C-X-C motif) ligand 12; CXCL12; intercrine reduced in hepatomas; pre-B cell growth-stimulating factor; SDF-1 delta; chemokine (C-X-C motif) ligand 12 transcript variant 5; SDF-1 epsilon; chemokine (C-X-C motif) ligand 12 transcript variant 6; SDF-1 gamma; chemokine (C-X-C motif) ligand 12 transcript variant 4; SDF-1 theta; chemokine (C-X-C motif) ligand 12 transcript variant 7; SDF1a; Stromal-Cell Derived Factor-1; unnamed protein product
Gene Aliases: IRH; PBSF; SCYB12; SDF1; TLSF; TPAR1
UniProt ID: (Human) P48061
Entrez Gene ID: (Human) 6387
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