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CTHRC1 Protein, Human (HEK293, His)

Cat. No.: HY-P70092
COA Handling Instructions

CTHRC1 Protein, Human (HEK293, His) is a negative regulator of collagen matrix deposition. CTHRC1, a secreted 28-kDa protein, is a glycosylated protein with a signal sequence.

For research use only. We do not sell to patients.

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  • Biological Activity

  • Technical Parameters

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CTHRC1 Protein, Human (HEK293, His) is a negative regulator of collagen matrix deposition. CTHRC1, a secreted 28-kDa protein, is a glycosylated protein with a signal sequence.


CTHRC1 is a secreted 28-kDa protein that is glycosylated and highly conserved from lower chordates to mammals. A short collagen motif with 12 Gly-X-Y repeats appears to be responsible for trimerization of the protein and this renders the molecule susceptible to cleavage by collagenase. Cthrc1 mRNA expression levels are increased in response to transforming growth factor-beta and bone morphogenetic protein-4. Although CTHRC1 is associated with the extracellular matrix and contains a short collagen-like motif, its transient expression in the vessel wall argues against a function as a structural protein unlike other members of the collagen family. A series of articles suggested that overexpression of CTHRC1 promotes tumor progression through various signaling pathways via angiogenesis, the infiltration of tumor-associated macrophages and epithelial-mesenchymal transition[1][2].








Q96CG8 (S31-K243)

Gene ID
Molecular Construction
CTHRC1 (S31-K243)
Accession # Q96CG8
rHuCollagen triple helix repeat-containing protein 1/CTHRC1, His; Collagen triple helix repeat-containing protein 1; Protein NMTC1; CTHRC1
AA Sequence


Molecular Weight

25-32 kDa

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

Lyophilized powder


Lyophilized from a 0.2 μm filtered solution of 20 mM PB, 150 mM NaCl, pH 7.4.

Endotoxin Level

<1 EU/μg, determined by LAL method.


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.


Room temperature in continental US; may vary elsewhere.


CTHRC1 Protein, Human (HEK293, His) Related Classifications

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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