PF4 Protein (AA 32-101)
Quick Overview for PF4 Protein (AA 32-101) (ABIN2018316)
Target
See all PF4 ProteinsProtein Type
Biological Activity
Origin
Source
Purity
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Protein Characteristics
- AA 32-101
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Characteristics
- ED50 < 10 μg/mL, measured by its ability to inhibit human FGF-basic-dependent proliferation of NR6R 3T3 mouse fibroblast cells.
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Endotoxin Level
- < 0.2 EU/μg, determined by LAL method.
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Restrictions
- For Research Use only
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Format
- Lyophilized
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Reconstitution
- Reconstituted in ddH2O or PBS at 100 μg/mL.
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Buffer
- Lyophilized after extensive dialysis against PBS.
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Storage
- -80 °C
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Storage Comment
- Lyophilized recombinant human platelet factor 4 remains stable up to 6 months at -80 °C from date of receipt. Upon reconstitution, human platelet factor 4 should be stable up to 1 week at 4 °C or up to 2 months at -20 °C.
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Expiry Date
- 6 months
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- PF4 (Platelet Factor 4 (PF4))
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Alternative Name
- Platelet Factor 4/CXCL4
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Background
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Platelet factor 4, also known as CXCL4, is expressed in megakaryocytes and stored in the alpha-granules of platelets. Recombinant human PF-4 is a 7.8 kDa protein containing 70 amino acid residues, including the four highly conserved residues present in CXC chemokines. Platelet factor 4 can be antiproliferative and antiangiogenic, at least in part via interfering with FGF2 and VEGF heparin binding and thus inhibiting their signaling. However, it can also be proinflammatory and proatherogenic through multiple effects on monocytes, macrophages and endothelial cells.
Synonyms: PF-4, CXCL4, SCYB4,Platelet Factor-4, CXCL4, Oncostatin A, Ironplact -
Molecular Weight
- -7.8 kDa, observed by non-reducing SDS-PAGE.
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UniProt
- P02776
Target
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