Recombinant Human Pigment Epithelium-derived Factor (Human PEDF) _ C230474

Description

Pigment epithelium-derived factor (PEDF) is encoded by the SERPINF1 gene in humans and found in verebrates. It is a secreted phosphoglycoprotein that belongs to the clade F subfamily, serpin superfamily of proteinase inhibitors. The PEDF is a noninhibitory
serpin with neurotrophic, anti-angiogenic, and anti-tumorigenic properties. It is synthesized as a 418 a.a. about 50kDa precursor that contains a 19 a.a. signal sequence and a 399 a.a. mature region that shows a pyroglutamate at Gln20. Like other serpins, it contains three β-sheets, 810 α-helices, and a C-terminal RCL (reactive center loop). Unlike other serpins with Ser protease inhibiting activity. PEDF has functions of inducing extensive neuronal differentiation in retinoblastoma cells, inhibiting of angiogenesis. As it does not undergo the S (stressed) to R (relaxed) conformational transition characteristic of active serpins, it exhibits no serine protease inhibitory activity. PEDF is researched as a therapeutic candidate for treatment of such conditions as choroidal
neovascularization, heart disease, and cancer.

 

Product Properties

 

Synonyms

Serpin peptidase inhibitor, clade Fmember 1,SerpinF1, EPC-1, Cell proliferation-inducing gene 35 
protein

Accession
P36955
GeneID
5176

Source

E.coli-derived human Pigment Epithelium-derived Factor protein,Gln20-Pro418
Molecular Weight
Approximately 44.4 KDa
AA Sequence

QNPASPPEEG SPDPDSTGAL VEEEDPFFKV PVNKLAAAVS NFGYDLYRVR SSTSPTTNVL
LSPLSVATAL SALSLGAEQR TESIIHRALY YDLISSPDIH GTYKELLDTV TAPQKNLKSA SRIVFEKKLR IKSSFVAPLE KSYGTRPRVL TGNPRLDLQE INNWVQAQMK GKLARSTKEI PDEISILLLG VAHFKGQWVT KFDSRKTSLE DFYLDEERTV RVPMMSDPKA VLRYGLDSDL
SCKIAQLPLT GSMSIIFFLP LKVTQNLTLI EESLTSEFIH DIDRELKTVQ AVLTVPKLKL SYEGEVTKSL QEMKLQSLFD SPDFSKITGK PIKLTQVEHR AGFEWNEDGA GTTPSPGLQP AHLTFPLDYH LNQPFIFVLR DTDTGALLFI GKILDPRGP

Tag
None
Physical Appearance
Sterile Filtered White lyophilized (freeze-dried) powder.
Purity
> 97 % by SDS-PAGE and HPLC analyses.
Biological Activity
Fully biologically active when compared to standard. The ED50 as determined by its ability to enhance the
adhesion of human Saos2 cells to bovine Collagen I coated plate is less than 2 ng/ml, corresponding to a
specific activity of > 5.0 × 10 5 IU/mg.
Endotoxin
< 1.0 EU per 1μg of the protein by the LAL method.
Formulation
Lyophilized from a 0.2 μm filtered concentrated solution in 20 mM PB, pH 7.4, 150 mM NaCl.
Reconstitution
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom.
Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of
0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C.
Further dilutions should be made in appropriate buffered solutions.

 

Storage

 

The products are shipped with ice pack and can be stored at -20℃ to -80℃ for 1 year.
Recommend to aliquot the protein into smaller quantities when first used and avoid repeated freeze-thaw cycles.

 

Caution

 

1. Avoid repeated freeze-thaw cycles.
2. For your safety and health, please wear lab coats and disposable gloves for operation.
3. For research use only!

Recombinant Human Pigment Epithelium-derived Factor (Human PEDF) _ C230474

Product form

SKU: C230474E

$74.00

      • Tell a unique detail about this product

      Description

      Pigment epithelium-derived factor (PEDF) is encoded by the SERPINF1 gene in humans and found in verebrates. It is a secreted phosphoglycoprotein that belongs to the clade F subfamily, serpin superfamily of proteinase inhibitors. The PEDF is a noninhibitory
      serpin with neurotrophic, anti-angiogenic, and anti-tumorigenic properties. It is synthesized as a 418 a.a. about 50kDa precursor that contains a 19 a.a. signal sequence and a 399 a.a. mature region that shows a pyroglutamate at Gln20. Like other serpins, it contains three β-sheets, 810 α-helices, and a C-terminal RCL (reactive center loop). Unlike other serpins with Ser protease inhibiting activity. PEDF has functions of inducing extensive neuronal differentiation in retinoblastoma cells, inhibiting of angiogenesis. As it does not undergo the S (stressed) to R (relaxed) conformational transition characteristic of active serpins, it exhibits no serine protease inhibitory activity. PEDF is researched as a therapeutic candidate for treatment of such conditions as choroidal
      neovascularization, heart disease, and cancer.

       

      Product Properties

       

      Synonyms

      Serpin peptidase inhibitor, clade Fmember 1,SerpinF1, EPC-1, Cell proliferation-inducing gene 35 
      protein

      Accession
      P36955
      GeneID
      5176

      Source

      E.coli-derived human Pigment Epithelium-derived Factor protein,Gln20-Pro418
      Molecular Weight
      Approximately 44.4 KDa
      AA Sequence

      QNPASPPEEG SPDPDSTGAL VEEEDPFFKV PVNKLAAAVS NFGYDLYRVR SSTSPTTNVL
      LSPLSVATAL SALSLGAEQR TESIIHRALY YDLISSPDIH GTYKELLDTV TAPQKNLKSA SRIVFEKKLR IKSSFVAPLE KSYGTRPRVL TGNPRLDLQE INNWVQAQMK GKLARSTKEI PDEISILLLG VAHFKGQWVT KFDSRKTSLE DFYLDEERTV RVPMMSDPKA VLRYGLDSDL
      SCKIAQLPLT GSMSIIFFLP LKVTQNLTLI EESLTSEFIH DIDRELKTVQ AVLTVPKLKL SYEGEVTKSL QEMKLQSLFD SPDFSKITGK PIKLTQVEHR AGFEWNEDGA GTTPSPGLQP AHLTFPLDYH LNQPFIFVLR DTDTGALLFI GKILDPRGP

      Tag
      None
      Physical Appearance
      Sterile Filtered White lyophilized (freeze-dried) powder.
      Purity
      > 97 % by SDS-PAGE and HPLC analyses.
      Biological Activity
      Fully biologically active when compared to standard. The ED50 as determined by its ability to enhance the
      adhesion of human Saos2 cells to bovine Collagen I coated plate is less than 2 ng/ml, corresponding to a
      specific activity of > 5.0 × 10 5 IU/mg.
      Endotoxin
      < 1.0 EU per 1μg of the protein by the LAL method.
      Formulation
      Lyophilized from a 0.2 μm filtered concentrated solution in 20 mM PB, pH 7.4, 150 mM NaCl.
      Reconstitution
      We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom.
      Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of
      0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C.
      Further dilutions should be made in appropriate buffered solutions.

       

      Storage

       

      The products are shipped with ice pack and can be stored at -20℃ to -80℃ for 1 year.
      Recommend to aliquot the protein into smaller quantities when first used and avoid repeated freeze-thaw cycles.

       

      Caution

       

      1. Avoid repeated freeze-thaw cycles.
      2. For your safety and health, please wear lab coats and disposable gloves for operation.
      3. For research use only!

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