COL21A1 Protein, Human (HEK293, His)

COL21A1 Protein is a member of the fibre-associated collagen interrupt helix (FACIT) family. COL21A1 Protein is a secreted protein widely present in a variety of tissues. COL21A1 Protein may contribute to the extracellular matrix assembly of vascular networks during angiogenesis. COL21A1 Protein, Human (HEK293, His) is the recombinant human-derived COL21A1 protein, expressed by HEK293 , with C-6*His labeled tag.

For research use only. We do not sell to patients.
  • Species: Human
  • Source: HEK293
  • 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

COL21A1 Protein is a member of the fibre-associated collagen interrupt helix (FACIT) family. COL21A1 Protein is a secreted protein widely present in a variety of tissues. COL21A1 Protein may contribute to the extracellular matrix assembly of vascular networks during angiogenesis. COL21A1 Protein, Human (HEK293, His) is the recombinant human-derived COL21A1 protein, expressed by HEK293 , with C-6*His labeled tag.

Background

Collagen alpha-1 (XXI) chain is a protein encoded in humans by the COL21A1 gene and is a member of the FACIT (Fibrous Associated Collagen Interrupt Helix) collagen family. The expression of COL21A1 in human tissues is regulated by development, and the expression level is higher in the fetal stage. Type XXI collagen is an extracellular matrix component of blood vessel walls and is secreted by smooth muscle cells. Platelet-derived growth factor (PDGF) has a significant effect on the stimulation of COL21A1 expression in cultured aortic smooth muscle cells, suggesting that alpha1 (XXI) collagen may contribute to the extracellular matrix assembly of vascular networks during angiogenesis[1][2][3][4][5].

Technical Parameters

  • Species Human
  • Source HEK293
  • Tag C-6*His
  • Accession
  • Gene ID
  • Molecular Construction
    • N-term
    • COL21A1 (E23-Y957)
      Accession # Q96P44-1
    • 6*His
    • C-term
  • Protein Length

    Full Length of Isoform-1

  • Synonyms

    COL21A1; Alpha 1 Chain-Like Collagen; Collagen Type XXI Alpha 1 Chain; COLA1L; Collagen Alpha-1(XXI) Chain; COL1AL; Collagen, Type XXI, Alpha 1; FP633

  • AA Sequence

    EDGEVRSSCRTAPTDLVFILDGSYSVGPENFEIVKKWLVNITKNFDIGPKFIQVGVVQYSDYPVLEIPLGSYDSGEHLTAAVESILYLGGNTKTGKAIQFALDYLFAKSSRFLTKIAVVLTDGKSQDDVKDAAQAARDSKITLFAIGVGSETEDAELRAIANKPSSTYVFYVEDYIAISKIREVMKQKLCEESVCPTRIPVAARDERGFDILLGLDVNKKVKKRIQLSPKKIKGYEVTSKVDLSELTSNVFPEGLPPSYVFVSTQRFKVKKIWDLWRILTIDGRPQIAVTLNGVDKILLFTTTSVINGSQVVTFANPQVKTLFDEGWHQIRLLVTEQDVTLYIDDQQIENKPLHPVLGILINGQTQIGKYSGKEETVQFDVQKLRIYCDPEQNNRETACEIPGFNGECLNGPSDVGSTPAPCICPPGKPGLQGPKGDPGLPGNPGYPGQPGQDGKPGYQGIAGTPGVPGSPGIQGARGLPGYKGEPGRDGDKGDRGLPGFPGLHGMPGSKGEMGAKGDKGSPGFYGKKGAKGEKGNAGFPGLPGPAGEPGRHGKDGLMGSPGFKGEAGSPGAPGQDGTRGEPGIPGFPGNRGLMGQKGEIGPPGQQGKKGAPGMPGLMGSNGSPGQPGTPGSKGSKGEPGIQGMPGASGLKGEPGATGSPGEPGYMGLPGIQGKKGDKGNQGEKGIQGQKGENGRQGIPGQQGIQGHHGAKGERGEKGEPGVRGAIGSKGESGVDGLMGPAGPKGQPGDPGPQGPPGLDGKPGREFSEQFIRQVCTDVIRAQLPVLLQSGRIRNCDHCLSQHGSPGIPGPPGPIGPEGPRGLPGLPGRDGVPGLVGVPGRPGVRGLKGLPGRNGEKGSQGFGYPGEQGPPGPPGPEGPPGISKEGPPGDPGLPGKDGDHGKPGIQGQPGPPGICDPSLCFSVIARRDPFRKGPNY

  • Predicted Molecular Mass

    97.9 kDa

  • Molecular Weight

    Approximately 120 kDa & 220 kDa, based on SDS-PAGE under reducing conditions.

  • Glycosylation

    Yes

  • Purity

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

Product Properties

Appearance

Lyophilized powder.

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

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Dilution Calculator

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

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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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