CDKN2A Protein, Human

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Based on 1 publication(s) in Google Scholar

CDKN2A Protein, a potent negative regulator of cell proliferation, forms strong interactions with CDK4 and CDK6, hindering their association with cyclins D and retinoblastoma protein phosphorylation. Acting in a heterodimeric manner, predominantly with CDK6, CDKN2A inhibits cyclin D-CDK4 kinase activity and interacts with ISCO2, contributing to its cell cycle regulatory role. CDKN2A Protein, Human is the recombinant human-derived CDKN2A protein, expressed by E. coli , with tag free.

For research use only. We do not sell to patients.
  • Species: Human
  • Source: E. coli
  • Storage:
    Stored at -20°C for 2 years from date of receipt. 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.
  • Biological Activity
  • Technical Parameters
  • Product Properties
  • Documentation
  • Help & FAQs

Biological Activity

Description

CDKN2A Protein, a potent negative regulator of cell proliferation, forms strong interactions with CDK4 and CDK6, hindering their association with cyclins D and retinoblastoma protein phosphorylation. Acting in a heterodimeric manner, predominantly with CDK6, CDKN2A inhibits cyclin D-CDK4 kinase activity and interacts with ISCO2, contributing to its cell cycle regulatory role. CDKN2A Protein, Human is the recombinant human-derived CDKN2A protein, expressed by E. coli , with tag free.

Background

CDKN2A Protein serves as a potent negative regulator of normal cell proliferation by forming robust interactions with CDK4 and CDK6, thereby impeding their association with cyclins D and hampering the phosphorylation of the retinoblastoma protein. It functions in a heterodimeric fashion with either CDK4 or CDK6, with the majority of p16 complexes predominantly featuring CDK6. The interaction with CDK4, occurring with both 'T-172'-phosphorylated and non-phosphorylated forms, effectively inhibits the kinase activity of cyclin D-CDK4. Additionally, CDKN2A Protein engages with ISCO2, contributing to its regulatory role in cell cycle progression.

Technical Parameters

  • Species Human
  • Source E. coli
  • Tag Tag Free
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • CDKN2A (E2-D156)
      Accession # P42771
    • C-term
  • Protein Length

    Partial

  • Synonyms

    CDKN2A; Cyclin-Dependent Kinase Inhibitor 2A (Melanoma, P16, Inhibits CDK4); Prev. CDKN2; Multiple Tumor Suppressor 1; Prev. MLM; CDKN2A/ARF Intron 2 LncRNA; P14ARF; Alternative Reading Frame; CDK4I; Inhibitor Of Cdk4 A; MTS1; MTS-1; P16; Truncated Tumor

  • AA Sequence

    EPAAGSSMEPSADWLATAAARGRVEEVRALLEAGALPNAPNSYGRRPIQVMMMGSARVAELLLLHGAEPNCADPATLTRPVHDAAREGFLDTLVVLHRAGARLDVRDAWGRLPVDLAEELGHRDVARYLRAAAGGTRGSNHARIDAAEGPSDIPD

  • Molecular Weight

    Approximately 19 kDa, based on SDS-PAGE under reducing conditions.

  • Purity

    ≥ 95%, as determined by reducing SDS-PAGE.

Product Properties

Appearance

Lyophilized powder.

Formulation

Lyophilized from a 0.22 μm filtered solution of 20 mM PB, 150 mM NaCl, pH 7.4.

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 from date of receipt. 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.

Calculators

Reconstitution Calculator

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

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

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

Concentration (start) Concentration (start)
×
Volume (start) Volume (start)
=
Concentration (final) Concentration (final)
×
Volume (final) Volume (final)
The Specific Activity Calculator Equation
  • Specific Activity (Unit/mg)
  • Biological Activity (ED50)

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

Specific Activity (Unit/mg) Specific Activity (Unit/mg)
Unit/mg
= 106 ÷
Biological Activity (ED50) Biological Activity (ED50)
106 ÷
ng/mL
MOQ
Minimum order quantity
100 mg

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