Recombinant Human CXCL7/PBP protein is a Human Fragment protein, in the 35 to 128 aa range, expressed in Escherichia coli, with >90% purity, < 1 EU/µg endotoxin level and suitable for SDS-PAGE, MS.
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- The Journal of biological chemistry 266:5785-91991Characterization of the human beta-thromboglobulin gene. Comparison with the gene for platelet factor 4.Applications:Unspecified applicationReactive species:Unspecified reactive speciesS Majumdar,D Gonder,B Koutsis,M PonczPubMed 1826003
- Biochemistry 25:1988-961986Characterization of human platelet basic protein, a precursor form of low-affinity platelet factor 4 and beta-thromboglobulin.Applications:Unspecified applicationReactive species:Unspecified reactive speciesJ C Holt,M E Harris,A M Holt,E Lange,A Henschen,S NiewiarowskiPubMed 2423119
Key facts
- Purity
- >90% SDS-PAGE
- Endotoxin level
- < 1 EU/µg
- Expression system
- Escherichia coli
- Tags
- Tag free
- Applications
- SDS-PAGE, MS
- Biologically active
- No
Amino acid sequence
M S S T K G Q T K R N L A K G K E E S L D S D L Y A E L R C M C I K T T S G I H P K N I Q S L E V I G K G T H C N Q V E V I A T L K D G R K I C L D P D A P R I K K I V Q K K L A G D E S A D
Reactivity data
| Application | Reactivity | Dilution info | Notes |
|---|---|---|---|
Application SDS-PAGE | Reactivity Reacts | Dilution info - | Notes - |
Application MS | Reactivity Reacts | Dilution info - | Notes - |
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Target data
Function
LA-PF4 stimulates DNA synthesis, mitosis, glycolysis, intracellular cAMP accumulation, prostaglandin E2 secretion, and synthesis of hyaluronic acid and sulfated glycosaminoglycan. It also stimulates the formation and secretion of plasminogen activator by human synovial cells. NAP-2 is a ligand for CXCR1 and CXCR2, and NAP-2, NAP-2(73), NAP-2(74), NAP-2(1-66), and most potent NAP-2(1-63) are chemoattractants and activators for neutrophils. TC-1 and TC-2 are antibacterial proteins, in vitro released from activated platelet alpha-granules. CTAP-III(1-81) is more potent than CTAP-III desensitize chemokine-induced neutrophil activation.
Alternative names
CTAP3, CXCL7, SCYB7, TGB1, THBGB1, PPBP, Platelet basic protein, PBP, C-X-C motif chemokine 7, Leukocyte-derived growth factor, Macrophage-derived growth factor, Small-inducible cytokine B7, LDGF, MDGF
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Recombinant Human CXCL7/PBP protein is a Human Fragment protein, in the 35 to 128 aa range, expressed in Escherichia coli, with >90% purity, < 1 EU/µg endotoxin level and suitable for SDS-PAGE, MS.
Key facts
- Purity
- >90% SDS-PAGE
- Endotoxin level
- < 1 EU/µg
- Expression system
- Escherichia coli
- Tags
- Tag free
- Applications
- SDS-PAGE, MS
- Biologically active
- No
- Accession
- P02775-1
- Animal free
- No
- Species
- Human
- Concentration
- Storage buffer
pH: 7.4
Constituents: 90% PBS, 10% Glycerol (glycerin, glycerine)
Sequence info
Amino acid sequence
- M S S T K G Q T K R N L A K G K E E S L D S D L Y A E L R C M C I K T T S G I H P K N I Q S L E V I G K G T H C N Q V E V I A T L K D G R K I C L D P D A P R I K K I V Q K K L A G D E S A D
- Accession
- P02775
- Protein length
- Fragment
- Predicted molecular weight
- 10.3 kDa
- Amino acids
- 35 to 128
- Nature
- Recombinant
Specifications
- Form
- Liquid
- Additional notes
No detergents such as urea, Triton or Tween were used to purify this protein. Purified by using anion exchange chromatography (DEAE sepharose resin) and gel filtration chromatography (Sephacryl S 200) with 20mM Tris pH 7.5, 2mM EDTA.
General info
- Function
LA-PF4 stimulates DNA synthesis, mitosis, glycolysis, intracellular cAMP accumulation, prostaglandin E2 secretion, and synthesis of hyaluronic acid and sulfated glycosaminoglycan. It also stimulates the formation and secretion of plasminogen activator by human synovial cells. NAP-2 is a ligand for CXCR1 and CXCR2, and NAP-2, NAP-2(73), NAP-2(74), NAP-2(1-66), and most potent NAP-2(1-63) are chemoattractants and activators for neutrophils. TC-1 and TC-2 are antibacterial proteins, in vitro released from activated platelet alpha-granules. CTAP-III(1-81) is more potent than CTAP-III desensitize chemokine-induced neutrophil activation.
- Sequence similarities
Belongs to the intercrine alpha (chemokine CxC) family.
- Post-translational modifications
Proteolytic removal of residues 1-9 produces the active peptide connective tissue-activating peptide III (CTAP-III) (low-affinity platelet factor IV (LA-PF4)).
Storage
- Shipped at conditions
- Blue Ice
- Appropriate short-term storage duration
- 1-2 weeks
- Appropriate short-term storage conditions
- +4°C
- Appropriate long-term storage conditions
- -20°C
- Aliquoting information
- Upon delivery aliquot
- Storage information
- Avoid freeze / thaw cycle
Notes
This protein is released in large amounts from platelets following their activation. It stimulates various processes including mitogenesis, synthesis of extracellular matrix, glucose metabolism and synthesis of plasminogen activator.
Previously labelled as CXCL7.
Supplementary info
- This supplementary information is collated from multiple sources and compiled automatically.
- Activity summary
The target CXCL7 also known as PBP PBP-172 or PPBP is a chemokine with a molecular mass of around 11 kDa. It is a platelet basic protein (PBP) belonging to the family of CXC chemokines. This protein is extensively expressed in megakaryocytes and stored in the alpha-granules of platelets. Upon platelet activation CXCL7 is released and becomes a potent attractant and activator of neutrophils. It travels through the bloodstream and impacts extracellular signaling processes.
- Biological function summary
The chemokine plays a significant role in the regulation of inflammation. CXCL7 is not only an individual entity but can form complexes with glycosaminoglycans on cell surfaces enhancing its functionality. This interaction helps in modulating immune responses by recruiting neutrophils and monocytes to sites of injury or infection. The chemokine contributes to wound healing and tissue repair through its involvement in the inflammatory phase.
- Pathways
CXCL7 is involved in the chemokine signaling pathway and is an important mediator in the immune system's response to infections. It is related to other chemokine family proteins like CXCL8 (IL-8) which share similar pathways in inflammatory responses. These proteins interact with specific receptors on leukocytes inducing changes in the cytoskeleton and promoting chemotaxis which is the directed movement towards chemical stimuli.
- Associated diseases and disorders
CXCL7 is associated with various inflammatory conditions and has been implicated in atherosclerosis and rheumatoid arthritis. In these conditions elevated levels of this chemokine correlate with increased recruitment and activation of neutrophils exacerbating inflammation. CXCL7 also shares interactions with other proteins such as CXCL1 affecting the progression and severity of these disorders. The understanding of CXCL7's role in such pathologies offers potential therapeutic avenues for intervention.
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1 product image
SDS-PAGE - Recombinant Human CXCL7/PBP protein (ab109834)
SDS-PAGE analysis of ab109834: (1) MW marker, (2) ab109834 at 3μg
Gel concentration: 15%
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