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structure peptide vip a 28-aa long peptide

Published October Oct 18, 2026 3:29 AM

In the realm of biochemical research, few molecules have garnered as much interest as the structure peptide VIP. As someone who h The main effects ofVIPinclude relaxation of smooth muscle (bronchial and vascular dilation), stimulation of gastrointestinal water and electrolyte secretion Read more as spent significant time studying the properties of various compounds for analytical purposes, I have found that understanding the precise molecular architecture of Vasoactive intestinal peptide is essential for any serious researcher.

The M The chemical structure of the Synthetic form of VIP olecular Architecture of VIP

When we look at the specific structure of this molecule, we are examining a 28-amino-acid synthetic peptide that performs complex roles in biological systems. At its core, VIP is a peptide of 28 amino acid residues that functions as a critical neuropeptide.

From a chemical perspective, VIP is a straight chain polypeptide of 28 amino acids, which is notably basic due to its high concentration of arginine and lysine residues. For those looking for precise data, VIP is a 28-amino-acid polypeptide that is characterized as a non-glycosylated polypeptide chain containing 28 amino acids, boasting a molecular Vasoactive intestinal peptide (VIP) isa 28-amino acid polypeptidefirst isolated from swine duodenum. VIP is a neuro-transmitter that is extensively Read more mass of approximately 3325 Daltons.

Formation and Precursor Proteins

It is fascinating to note how this molecule originates. VIP is derived from the 170 amino acid precursor protein preproVIP. Through a series of cleavage processes, specifically corresponding to amino acids 125-152 of the human precursor, we arrive at the mature form. This vasoactive intestinal polypeptide (VIP) is a neuroendocrine messenger that is distributed throughout the human body, includ Vasoactive Intestinal Peptide (VIP) and VIP Receptors ing the central nervous system.

Secondary Structure Details

For researchers analyzing the structure via NMR or other spectroscopic methods, the secondary configuration is highly specific. The secondary structure of mature VIP is characterised by two β-turns containing the initial N terminus eight-amino acid residues, followed by two helices. This specific folding is crucial for its function as a ligand for class II G protein-coupled receptors.

Research Perspectives and Observations

When investigating Vasoactive intestinal peptide (VIP), it is helpful to categorize it within the broader glucagon/secretin superfamily. My personal observation during literature reviews is that the structure-activity relationship is t Vasoactive Intestinal Peptide (VIP) | Springer Nature Link he primary focus of most modern studies.

The VIP is a 28-amino-acid polypeptide that interacts with the Vasoactive intestinal peptide/pituitary adenylate cyclase activating polypeptide receptors. Because VIP is a neuropeptide of such high specificity, handling it requires strict adherence to purity standards. Many researchers prioritize 99%+ purity VIP for research to ensure that the polypeptide chain remains intact and free from degradation.

Summary of Key Findings

If you are documenting the structure of this molecule, keep these verifiable data points in mind:

* Amino Acid Count: 28 residues.

* Protein Origin: Derived from the 170-residue preproVIP.

* Classification: Member of the glucagon/secretin superfamily.

* Structural Motif: Two N-terminal β-turns followed by helical segments.

* Nature: A neuroendocrine polypeptide involved in systemic signaling.

Whether you are exploring the nuanc VIP, a 28-amino-acidpolypeptidesecreted by cells throughout the intestinal tract. It stimulates the secretion of electrolytes and water by the intestinal Read more es of the Vasoactive intestinal peptide (VIP) for its biochemical properties or its role as a 28-aa long peptide, the complexity of its design remains a testament to the precision of biological molecules. Always ensure your research is conducted using high-quality, synthetic versions of the peptide to maintain the integrity of your experimental results. By focusing on the structure and the specif Vasoactive Intestinal Peptide (VIP) and VIP Receptors ic 28-amino-acid polypeptide sequence, one can better appreciate how this molecule functions within its diverse environment.

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