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  5. Aminopeptidase N/APN Protein, Human (HEK293, His)

Aminopeptidase N/APN Protein, Human (HEK293, His)

Cat. No.: HY-P7899A
COA Handling Instructions

Aminopeptidase N/APN protein is a disulfide-bonded homotrimer functioning as a broad specificity aminopeptidase. It plays a crucial role in peptide digestion, peptide processing, antigen presentation, angiogenesis, and cholesterol crystallization. APN protein also interacts with the amino acid transporter SLC6A19 and acts as a receptor for human coronavirus 229E/HCoV-229E during infection. Aminopeptidase N/APN Protein, Human (HEK293, His) is the recombinant human-derived Aminopeptidase N/APN protein, expressed by HEK293, with C-His labeled tag. The total length of Aminopeptidase N/APN Protein, Human (HEK293, His) is 899 a.a., with molecular weight of 130-140 kDa.

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  • Biological Activity

  • Technical Parameters

  • Properties

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Description

Aminopeptidase N/APN protein is a disulfide-bonded homotrimer functioning as a broad specificity aminopeptidase. It plays a crucial role in peptide digestion, peptide processing, antigen presentation, angiogenesis, and cholesterol crystallization. APN protein also interacts with the amino acid transporter SLC6A19 and acts as a receptor for human coronavirus 229E/HCoV-229E during infection. Aminopeptidase N/APN Protein, Human (HEK293, His) is the recombinant human-derived Aminopeptidase N/APN protein, expressed by HEK293, with C-His labeled tag. The total length of Aminopeptidase N/APN Protein, Human (HEK293, His) is 899 a.a., with molecular weight of 130-140 kDa.

Background

Aminopeptidase N/APN protein is a broad specificity aminopeptidase that functions as a homotrimer connected by disulfide bonds. It plays a crucial role in the final digestion of peptides derived from protein hydrolysis by gastric and pancreatic proteases. Moreover, it is involved in the processing of various peptides, including peptide hormones like angiotensin III and IV, neuropeptides, and chemokines. Additionally, it may participate in the cleavage of peptides bound to major histocompatibility complex class II molecules in antigen presenting cells. This protein may also contribute to angiogenesis and promote cholesterol crystallization. Furthermore, it acts as a binding partner of the amino acid transporter SLC6A19, potentially regulating its activity and impacting amino acid transport. Notably, Aminopeptidase N/APN protein acts as a receptor for human coronavirus 229E/HCoV-229E, particularly serving as a receptor for the spike glycoprotein of HCoV-229E during infection.

Biological Activity

Measured by its ability to cleave the fluorogenic peptide substrate, Ala-7-amido-4-methylcoumarin (Ala-AMC). The specific activity is >2500 pmoL/min/µg, as measured under the described conditions.

  • Measured by its ability to cleave the fluorogenic peptide substrate, Ala-7-amido-4-methylcoumarin (Ala-AMC). The specific activity is 1.3946×104  pmol/min/µg, as measured under the described conditions.
Species

Human

Source

HEK293

Tag

C-His

Accession

P15144 (K69-K967)

Gene ID

290  [NCBI]

Molecular Construction
N-term
APN (K69-K967)
Accession # P15144
His
C-term
Synonyms
rHuAminopeptidase N/APN Protein, His; Aminopeptidase N; ANPEP; AP-M; APN; AP-N; CD13 antigen; CD13; CD13APN; PEPN; PEPNhAPN
AA Sequence

KAWNRYRLPNTLKPDSYRVTLRPYLTPNDRGLYVFKGSSTVRFTCKEATDVIIIHSKKLNYTLSQGHRVVLRGVGGSQPPDIDKTELVEPTEYLVVHLKGSLVKDSQYEMDSEFEGELADDLAGFYRSEYMEGNVRKVVATTQMQAADARKSFPCFDEPAMKAEFNITLIHPKDLTALSNMLPKGPSTPLPEDPNWNVTEFHTTPKMSTYLLAFIVSEFDYVEKQASNGVLIRIWARPSAIAAGHGDYALNVTGPILNFFAGHYDTPYPLPKSDQIGLPDFNAGAMENWGLVTYRENSLLFDPLSSSSSNKERVVTVIAHELAHQWFGNLVTIEWWNDLWLNEGFASYVEYLGADYAEPTWNLKDLMVLNDVYRVMAVDALASSHPLSTPASEINTPAQISELFDAISYSKGASVLRMLSSFLSEDVFKQGLASYLHTFAYQNTIYLNLWDHLQEAVNNRSIQLPTTVRDIMNRWTLQMGFPVITVDTSTGTLSQEHFLLDPDSNVTRPSEFNYVWIVPITSIRDGRQQQDYWLIDVRAQNDLFSTSGNEWVLLNLNVTGYYRVNYDEENWRKIQTQLQRDHSAIPVINRAQIINDAFNLASAHKVPVTLALNNTLFLIEERQYMPWEAALSSLSYFKLMFDRSEVYGPMKNYLKKQVTPLFIHFRNNTNNWREIPENLMDQYSEVNAISTACSNGVPECEEMVSGLFKQWMENPNNNPIHPNLRSTVYCNAIAQGGEEEWDFAWEQFRNATLVNEADKLRAALACSKELWILNRYLSYTLNPDLIRKQDATSTIISITNNVIGQGLVWDFVQSNWKKLFNDYGGGSFSFSNLIQAVTRRFSTEYELQQLEQFKKDNEETGFGSGTRALEQALEKTKANIKWVKENKEVVLQWFTENSK

Molecular Weight

130-140 kDa

Purity
  • Greater than 95% as determined by reducing SDS-PAGE.
Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.22 μm filtered solution of PBS, pH 7.4-7.3.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O. For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose).

Storage & Stability

Stored at -20°C for 2 years. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US; may vary elsewhere.

Documentation
Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

  • Reconstitution Calculator

  • Dilution Calculator

  • Specific Activity Calculator

The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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Product Name:
Aminopeptidase N/APN Protein, Human (HEK293, His)
Cat. No.:
HY-P7899A
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