Serpin E2/PN1 Antibody


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Reactivity HuSpecies Glossary
Applications WB

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Serpin E2/PN1 Antibody Summary

Mouse myeloma cell line NS0-derived recombinant human Serpin E2
Accession # NP_001130000
Detects human Serpin E2 in direct ELISAs and Western blots. In direct ELISAs and Western blots, approximately 50% cross-reactivity with recombinant mouse Serpin E2 is observed and less than 1% cross-reactivity with recombinant human (rh) Serpin E1, rhSerpin I1, rhSerpin I2, and rhSerpin B6 is observed.
Immunogen affinity purified
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  • Western Blot 0.1 ug/mL
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AF2980 in the following applications:

Packaging, Storage & Formulations

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
No Preservative
Immunogen affinity purified
Reconstitution Instructions
Reconstitute at 0.2 mg/mL in sterile PBS.


This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Serpin E2/PN1 Antibody

  • GDN
  • GdNPF
  • GDNserine (or cysteine) proteinase inhibitor, clade E (nexin, plasminogenactivator inhibitor type 1), member 2
  • glia-derived nexin
  • glial-derived neurite promoting factor
  • Peptidase inhibitor 7
  • PI-7
  • PI7DKFZp686A13110
  • PN-1
  • PN1nexin
  • PNI
  • Protease nexin 1
  • Protease nexin I
  • Proteinase Nexin 1
  • Serpin E2
  • serpin peptidase inhibitor, clade E (nexin, plasminogen activator inhibitortype 1), member 2


Serpin E2, also known as protease nexin I or glial-derived nexin (GDN), is a member of the Serpin superfamily of the serine protease inhibitors (1). Serpin E2 is a potent inhibitor of thrombin, plasmin and plasminogen activators (2). It is differentially expressed during neuronal differentiation and is able to transform human embryonic kidney cells into neuron-like cells (3). Its over-expression in mice leads to progressive neuronal and motor dysfunction in these animals (4). It is also over-expressed in the majority of pancreatic carcinoma as well as gastric and colorectal cancer samples whereas it is weakly expressed in all normal pancreas and chronic pancreatitis tissue samples (5). It plays an important role in controlling male fertility because its knockout male mice show a marked impairment in fertility from the onset of sexual maturity and its abnormal expression is found in the semen of men with seminal dysfunction (6). The deduced amino acid sequence of rhSerpin E2 is the same as that in NP_001130000, which predicts Arg329 in its 397 amino acid residues (7). An alternatively splice form predicts Thr-Gly at positions 329 and 330 in its 398 amino acid sequence (8-10).

  1. Silverman, G.A. et al. (2001) J. Biol. Chem. 276:33293.
  2. Rossignol, P. et al. (2004) J. Biol. Chem. 279:10346.
  3. Lin, H.J. et al. (2005) Int. J. Dev. Neurosci. 23:9.
  4. Meins, M. et al. (2001) J. Neurosci. 21:8830.
  5. Buchholz, M. et al. (2003) Cancer Res. 63:4945.
  6. Murer, V. et al. (2001) Proc. Natl. Acad. Sci. USA 98:3029.
  7. Strausberg, R.L. et al. (2002) Proc. Natl. Acad. Sci. USA 99:16899.
  8. Sommer, J. et al. (1987) Biochemistry 26:6407.
  9. Gloor, S. et al. (1986) Cell 47:687.
  10. McGrogan, M. et al. (1988) Bio/Technology 6:172.


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Publications for Serpin E2/PN1 Antibody (AF2980)(2)

We have publications tested in 1 confirmed species: Human.

We have publications tested in 1 application: Western Blot.

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Biotin BAF2980

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Gene Symbol SERPINE2
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