The human XPNPEP1 gene encodes aminopeptidase P1 (APP1), which is also known as X-prolyl aminopeptidase with gene aliases of SAMP, XPNPEP, XPNPEPL, and XPNPEPL1 (1‑3). It is a member of the M24 family of metalloproteases, which also contains methionine aminopeptidases, X-Pro dipeptidase, aminopeptidase P2, aminopeptidase P homolog, proliferation-associated protein 1, and suppressor of Ty homolog or chromatin-specific transcription elongation factor large subunit (4). It is a soluble enzyme, in contrast to the GPI-anchored APP2 encoded by XPNPEP2 (5). Human APP1 is widely expressed (3). The purified rhAPP1 is an active aminopeptidase, removing a N‑terminal amino acid from a peptide that contains a Pro residue at the second position. The amino acid sequence of human APP1 is 99%, 97%, 95%, 74% and 73% identical to that of canine, bovine, mouse/rat, Xenopus and zebrafish, respectively.
Human Aminopeptidase P1/XPNPEP1 Antibody
R&D Systems | Catalog # AF2970
Key Product Details
Species Reactivity
Validated:
Human
Cited:
Human
Applications
Validated:
Western Blot, Immunoprecipitation
Cited:
Immunoprecipitation
Label
Unconjugated
Antibody Source
Polyclonal Goat IgG
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Product Specifications
Immunogen
E. coli-derived recombinant human Aminopeptidase P1/XPNPEP1
Met1-His623
Accession # NP_065116
Met1-His623
Accession # NP_065116
Specificity
Detects human Aminopeptidase P1/XPNPEP1 in direct ELISAs and Western blots. In direct ELISAs and Western blots, less than 1% cross‑reactivity with recombinant human (rh) XPNPEP2 is observed.
Clonality
Polyclonal
Host
Goat
Isotype
IgG
Applications for Human Aminopeptidase P1/XPNPEP1 Antibody
Application
Recommended Usage
Immunoprecipitation
25 µg/mL
Sample: Conditioned cell culture medium spiked with Recombinant Human Aminopeptidase P1/XPNPEP1 (Catalog # 2970-ZN), see our available Western blot detection antibodies
Sample: Conditioned cell culture medium spiked with Recombinant Human Aminopeptidase P1/XPNPEP1 (Catalog # 2970-ZN), see our available Western blot detection antibodies
Western Blot
0.1 µg/mL
Sample: Recombinant Human Aminopeptidase P1/XPNPEP1 (Catalog # 2970-ZN)
Sample: Recombinant Human Aminopeptidase P1/XPNPEP1 (Catalog # 2970-ZN)
Formulation, Preparation, and Storage
Purification
Antigen Affinity-purified
Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.
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Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.
Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.
Stability & Storage
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.
Calculators
Background: Aminopeptidase P1/XPNPEP1
References
- Cottrell, G.S. et al. (2000) Biochemistry 39:15121.
- Sprinkle, T.J. et al. (2000) Arch. Biochem. Biophys. 378:51.
- Vanhoof, G. et al. (1997) Cytogenet. Cell Genet. 78:275.
- Turner, A.J. and G.S. Cottrell (2004) in Handbook of Proteolytic Enzymes (ed. Barrett, A.J. et al.) pp. 931, Elsevier Academic Press, San Diego.
- Simmons, W.H. (2004) in Handbook of Proteolytic Enzymes (ed. Barrett, A.J. et al.) pp. 934, Elsevier Academic Press, San Diego.
Alternate Names
APP1, SAMP, XPNPEP1
Entrez Gene IDs
7511 (Human)
Gene Symbol
XPNPEP1
UniProt
Additional Aminopeptidase P1/XPNPEP1 Products
Product Documents for Human Aminopeptidase P1/XPNPEP1 Antibody
Certificate of Analysis
To download a Certificate of Analysis, please enter a lot or batch number in the search box below.
Note: Certificate of Analysis not available for kit components.
Product Specific Notices for Human Aminopeptidase P1/XPNPEP1 Antibody
For research use only
Related Research Areas
Citations for Human Aminopeptidase P1/XPNPEP1 Antibody
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Protocols
Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.
- Cellular Response to Hypoxia Protocols
- Immunoprecipitation Protocol
- R&D Systems Quality Control Western Blot Protocol
- Troubleshooting Guide: Western Blot Figures
- Western Blot Conditions
- Western Blot Protocol
- Western Blot Protocol for Cell Lysates
- Western Blot Troubleshooting
- Western Blot Troubleshooting Guide
- View all Protocols, Troubleshooting, Illustrated assays and Webinars
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