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what is cpt2 peptide An autosomal recessive disorder of mitochondrial long-chain fatty acid oxidation

Published October Oct 17, 2026 1:48 PM

In the realm of biochemical research and laboratory analysis, terminology can often become conflated. When researchers inquire about "what is CPT2 peptide," it is essential to distinguish between the biological enzyme, Carnitine Palmitoyltransferase 2 (CPT2), and the synthetic peptide products used in immunological assays.

The Biological Entity: CPT2 Enzyme

At its core, CPT2 (Carnitine Palmitoyltransferase 2) is Nov 1, 2022 — Fibroblast culture submitted to reference lab after growth of fibroblast from skin biopsy. Fibroblasts are grown in Cytogenetics Laboratory. an enzyme that in humans is encoded by the CPT2 gene. This protein is a critical component of the mitochondrial fatty acid oxidation (FAO) process. It is localized to the mitochondrial inner membrane, where it functions as part of the carnitine shuttle system. By facilitating the conversion of acyl-carnitine back into acyl-CoA, it helps move long-chain fatty acids into mitochondria so they can be processed for energy.

From a structural perspective, the CPT2 protein is composed of 658 amino acids and has a molecular mass of approximately 71 kDa. Because CPT2 is an ubiquitous protein expressed across most human tissues, it is a frequent subject of study in metabolic research. Carnitine palmitoyl transferase 2 (CPT2) is essential for cellular energy homeostasis, particularly in tissues with high energy demands like skeletal muscle and the liver.

What Is CPT2 Peptide in Laboratory Research?

When you encounter a product labeled as "CPT2 peptide" in a laboratory catalog, it is typically not the full-length enzyme. Instead, it is a synthetic fragment used as a blocking agent. In research applications, a CPT2 peptide is used for blocking the Tissue expression of CPT2 - Summary activity of CPT2 antibody during Western Blotting or immunohistochemistry.

By pre-incubating the primary antibody with this specific peptide, researchers can confirm the specificity of the antibody binding. If the signal disappears in the presence of the peptide, it indicates that the antibody is indeed binding to the intended CPT2 target rather than exhibiting non-specific cross-reactivity.

Contextualizing CPT2 in Clinical Research

The scientific l Inborn Errors of Metabolism CPT2 Gene Sequencing iterature frequently discusses CPT II in the context of metabolic pathways. It is important to note that CPT2 is active inside the mitochondrial matrix to complete the final step of the carnitine shuttle. Disruptions in this pathway are often studied as an autosomal recessive disorder of mitochondrial long-chain fatty acid oxidation.

Researchers often investigate the CPT (Carnitine Palmitoyltransferase) system to understand how t CPT2 - Carnitine O-palmitoyltransferase 2, mitochondrial he body maintains ene CPT2 gene: MedlinePlus Genetics rgy balance. When the system fails to function, it is classified as a long-chain fatty acid oxidation disorder, which is a condition that limits the body's ability to efficiently oxidize fats.

Key Technical Specifications

For those analyzing CPT2 function, the following details are essential for experimental design:

* Gene Name: CPT2 (Carnitine Palmitoyltransferase 2).

* Protein Function: Facilitates the transport of long-chain fatty acids into the mitochondrial matrix.

* Structural Detail: A 658 amino acid nuclear-encoded mitochondrial protein.

* by E Sigauke · 2003 · Cited by 148 — The transcribed CPT II protein with a molecular mass of approximately 71 kDa is composed of 658 amino acids, which includes an N-terminal 25  Research Application: Synthetic peptide Rare Disease Genes - CPT2 s are utilized as immunogenic blockers to validate antibody specificity.

* Metabolic Role: Acts as a vital enzyme that helps make sure your body can use fatty acids for energy production.

Summary for Researchers

To summarize, when asking "what is CPT2 peptide," you are likely looking at a tool designed for protein-antibody verification. While the CPT2 (Carnitine Palmitoyltransferase 2) gene and its resulting protein are central to the study of mitochondrial metabolism—specifically regarding how the body processes long-chain fats—the "peptide" itself is CPT2D is an autosomal recessive disorder characterized by recurrent myoglobinuria, episodes of muscle pain, stiffness, and rhabdomyolysis. These symptoms are  an experimental reagent.

Whether you are studying the biochemical mechanisms of CPT) II or utilizing antibodies for protein expression mapping, understanding the distinction between the functional enzyme and the synthetic peptide fragment is vital for accurate data interpretation and experimental success. Always ensure that the peptide sequence matches the specific epitope of the antibody being blocked to achieve reliable results in your assays.

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