In the world of peptide research and biochemical analysis, precision is paramount. For those of us who spend time studying the structural properties of amino acid chains, the c peptide mw (molecular weight) is a fundamental metric. Understanding the physical characteristics of this molecule—which represents the midportion of the proinsulin molecule—requires a look at its specific chemical composition and mass.
The Structural Profile of C-Peptide
C-Peptide, or the "connecting" peptide, is a single-chain polypeptide composed of 31 amino acids. When looking at the human C-Peptide, the molecular weight is widely cited in scientific literature as approximately 3020.3 g/mol. This value corresponds to the molar mass, 3020.29 g/mol, often rounded down to 3 C‑peptide is a single chain 31‑amino acid (AA 33‑63) connecting (C) polypeptide with a molecular weight ofapproximately 3021 daltons.Read more 020 Dalton or 3020.5 depending on the specific analytical method or software used.
When I review technical data sheets for synthetic compounds, I often see the molecular weight, 3020.26 listed for high-purity variants. It is important to note that these values represent the total mass of a peptide, calculated by summing the molecular weights of its individual amino acid residues and terminal groups. Whether you are dealing with a 3.2 kDa estimate or a more precise 3021 daltons, consistency in these measurements is vital for experimental accuracy.
Practical Considerations in Research
When sourcing C-Peptide, Human, researchers must be aware that the molecular weight can vary slightly based on the species or the specific modification of the Proinsulin C-peptide. For instance, while human variants typically fall in the 3020 range, other species display different profiles; a mouse-derived sample might show a molecular weight, 5114.04 Da, while other specialized proteins show a molecular weight, 3340.78.
Because this peptide is highly sensitive, storage usually requires a temperature of -20°C to maintain stability. When preparing samples, one must consider the solubility in solvents like dimethyl sulfoxide (DMSO).
Contextualizing the Data
In clinical and diagnostic settings, medical professionals utilize a C-Peptide test that measures the level of this peptide in the blood or urine. This test measures C-peptide in your blood or urine to provide insights into endogenous production, as it is produced in equal amounts to insulin.
For those monitoring C-Peptide | Drug Information, Uses, Side Effects, Chemistry these levels, the standard reference ranges are often cited between 0.5 to 2.0 nanograms per milliliter (or 0.5 ng/mL to 2.0 ng/mL). These metrics are A C-peptide testmeasures the level of this peptide in the blood. It is generally found in amounts equal to insulin.Read more distinct from the physical molecular weight of the substance itself but are crucial for those studying the biological activity of the C PEPTIDE chain.
Summary of Spec C-Peptide Synthetic is a single, non-glycosylated polypeptide chain containing 31 amino acids, having a molecular mass of3020 Dalton. ifications
For researchers organiz C-Peptide protein ing their laboratory logs, here is a quick reference for the Peptide Molecular Weight of standard human C-Peptide:
* Amino Acid Count: 31 residues
* Commonly Cited MW: 3020.3 g/mol
* Form: Typically lyophilized
* Storage: C‑peptide is a single chain 31‑amino acid (AA 33‑63) connecting (C) polypeptide with a molecular weight ofapproximately 3021 daltons.Read more -20°C ± 5°C
Whether you are calculating the molecular weight for a synthesis project or comparing C peptide mw levels across different batches, always rely on the specific Certificate of Analysis (CoA) provided by your supplier. By ensuring that your understanding of the molecular weight—whether it is 3020.3 g/mol or slightly adjusted—is accurate, you maintain the integrity of your research process.
*Disclaimer: This content is for educational and informational purposes regarding biochemical properties and does not provide medical, diagnostic, or prescription advice.*