PNC-27 60mg — Vial Spec, Reconstitution Math & COA
PNC-27 is a specialized membrane-active research peptide investigated for its capacity to target membrane-bound HDM-2 protein and induce selective cancer cell necrosis in preclinical models. High-yield 60mg vial preparations are designed for high-throughput cellular assays, dose-response matrix studies, and extended in vitro experimental series. This technical reference details the physical specifications, reconstitution calculations, aliquot planning, and quality control metrics required for laboratory research handling PNC-27.
Quick answer
PNC-27 is a specialized membrane-active research peptide investigated for its capacity to target membrane-bound HDM-2 protein and induce selective cancer cell necrosis in preclinical models. High-yield 60mg vial preparations are designed for high-throughput cellular assays, dose-response matrix studies, and extended in vitro experimental series. This technical reference details the physical specifications, reconstitution calculations, aliquot planning, and quality control metrics required for laboratory research handling PNC-27.
Key takeaways
- A 60mg vial of PNC-27 contains a highly purified, lyophilized cake of the synthetic peptide engineered specifically for high-volume in vitro screenings and multi-plate cell culture protocols.
- The primary mechanism of PNC-27 centers on its physical membrane interaction rather than classical signal cascade modulation or intracellular enzyme inhibition.
- Reconstitution of a high-mass 60mg vial requires precise volumetric calculation to achieve target stock concentrations suitable for micropipetting into working culture media.
- Because a 60mg vial contains substantial peptide mass, repeated freeze-thaw cycles of the reconstituted liquid stock must be strictly avoided.
Overview of PNC-27 60mg High-Yield Lyophilized Vials
A 60mg vial of PNC-27 contains a highly purified, lyophilized cake of the synthetic peptide engineered specifically for high-volume in vitro screenings and multi-plate cell culture protocols. Laboratories ordering 60mg mass configurations typically execute broad concentration gradient assays, flow cytometry cytotoxicity panels, or longitudinal structural assays where batch consistency across dozens of microtiter plates is essential. Utilizing a single high-mass vial eliminates inter-vial variance across extensive experimental replicates.
PNC-27 is a chimeric peptide combining a specific binding domain from the p53 tumor suppressor protein (residues 12–26) coupled to a cell-penetrating transmembrane signal sequence (MRP or leader peptide). In preclinical literature, this peptide demonstrates a unique ability to target transformed cells expressing surface HDM-2 while sparing non-transformed cell lines that lack membrane-bound HDM-2 expressions.
Please note: PX1 Research primary catalog standard offerings center around standard analytical unit sizes such as our flagship PNC-27 5mg and 10mg preparations. High-mass configurations like the 60mg vial format are produced for specialized institutional research applications, high-throughput contract research organizations (CROs), or custom synthesis orders. Researchers requiring large-scale batch uniformity should consult our full catalog of research peptides or contact our technical team to align supply schedules with ongoing assay designs.
Molecular Architecture and Mechanism of Action
The primary mechanism of PNC-27 centers on its physical membrane interaction rather than classical signal cascade modulation or intracellular enzyme inhibition. Preclinical studies suggest that PNC-27 binds specifically to HDM-2 proteins that become localized within the cell membrane of transformed oncogenic cells. Upon binding, the peptide adopts an amphipathic alpha-helical conformation that inserts directly into the lipid bilayer.
In vitro data indicate that this insertion causes localized membrane disruption and pore formation, leading to rapid transmembrane ion flux, cell swelling, loss of membrane integrity, and subsequent necrotic cell death. Significantly, this membrane-lytic action operates completely independent of the p53 signaling pathway. Cell lines with mutated, truncated, or entirely absent p53 genes demonstrate equal susceptibility to PNC-27 in laboratory models, provided membrane-bound HDM-2 is expressed.
Because non-cancerous somatic cells typically express HDM-2 exclusively in the nucleoplasm or cytoplasm rather than the outer cell membrane, in vitro assays show high selectivity. Non-transformed control cells exposed to equivalent concentrations of PNC-27 remain viable, rendering the peptide a valuable chemical probe for studying membrane dynamics, cancer cell surface markers, and non-apoptotic mechanisms of cell death.
PNC-27 60mg Reconstitution Math and Diluent Protocols
Reconstitution of a high-mass 60mg vial requires precise volumetric calculation to achieve target stock concentrations suitable for micropipetting into working culture media. Standard laboratory diluents include Bacteriostatic Water (0.9% benzyl alcohol), Sterile Water for Injection (SWFI), or sterile phosphate-buffered saline (PBS, pH 7.4), depending on downstream cell culture compatibility requirements.
To achieve a standard 60.0 mg/mL (60 µg/µL) concentrated stock solution, add exactly 1.0 mL of diluent to the 60mg vial. At this concentration, a standard 10 µL micropipette dispense yields 600 µg of peptide. For assays requiring lower stock viscosity, adding 2.0 mL of diluent yields a 30.0 mg/mL (30 µg/µL) concentration, while 3.0 mL of diluent results in a 20.0 mg/mL (20 µg/µL) final concentration.
When calculating dilutions for serial plate assays, researchers can utilize our interactive reconstitution calculator to determine precise volumes required for micro-molar (µM) working concentrations in cell culture media. Always ensure the lyophilized cake is fully dissolved via gentle side-to-side rotation; avoid vigorous vortexing, which can introduce shear stress and induce peptide aggregation or foam formation.
Laboratory Aliquoting, Working Stocks, and Cold Storage
Because a 60mg vial contains substantial peptide mass, repeated freeze-thaw cycles of the reconstituted liquid stock must be strictly avoided. Freeze-thaw cycles subject the peptide backbone to thermal and mechanical stresses, leading to precipitation, conformational degradation, and loss of specific bioactivity in cell assays.
Upon full reconstitution, the stock solution should immediately be sub-aliquoted into sterile, low-binding polypropylene microcentrifuge tubes (e.g., 50 µL to 200 µL volumes per tube) inside a Class II laminar flow biosafety cabinet. Working aliquots designated for immediate use within 24 to 48 hours may be maintained at 2°C to 8°C. Long-term storage of reconstituted aliquots requires deep freezing at -20°C or -80°C.
Lyophilized vials supplied by PX1 Research remain stable at room temperature during transit but should be stored at -20°C upon arrival for long-term inventory management. Unopened lyophilized vials stored at -20°C maintain structural integrity and purity profiles for up to 24 months, provided dessication is maintained.
Quality Assurance, Purity Verification, and Lot-Matched COAs
Every batch of PNC-27 distributed by PX1 Research undergoes rigorous analytical verification in ISO 17025 accredited testing laboratories. Quality control metrics are verified using High-Performance Liquid Chromatography (HPLC) to confirm peptide purity exceeds 98.0%, alongside Mass Spectrometry (MS) to verify precise molecular weight and sequence identity.
In addition to structural and purity testing, high-mass research reagents undergo quantitative Chromogenic Recombinant Limulus Amebocyte Lysate (rLAL) assay testing to guarantee endotoxin levels remain below 0.01 EU/µg. Low endotoxin counts are critical for cell culture research, as bacterial endotoxins interfere with cell viability, cytokine expression, and membrane receptor behavior, confounding experimental outputs.
Researchers can inspect and download lot-specific documentation directly through our public Certificate of Analysis library. Each COA reports the exact chromatographic purity profile, mass spectral peak analysis, residual solvent metrics, and bacterial endotoxin measurements for that specific manufacturing run.
Format Selection: Comparing 60mg Bulk Vials to Standard Unit Sizes
Selecting the appropriate vial size depends heavily on experimental scale, laboratory throughput, and protocol design. While a 60mg vial provides maximum unit economy for high-volume automated robotics or multi-well plate toxicity screens, smaller unit sizes are often preferable for exploratory or low-volume bench work.
For preliminary dose-response testing or single-plate assays, smaller unit sizes like 5mg or 10mg vials minimize reagent waste and reduce long-term solution storage risks. Unused lyophilized powder in unopened vials retains stability far longer than reconstituted liquid aliquots held in freezer storage over extended months.
Laboratories planning high-throughput cell viability panels, microfluidic cell sorting screens, or extended structural binding studies benefit from 60mg high-yield vials by eliminating lot-to-lot variance across continuous research cycles. To evaluate options across all unit sizes, consult our complete index at all research peptides.
Comparative Analysis: PNC-27 and Other Membrane-Active Research Peptides
In oncology and cell biology research, PNC-27 belongs to a distinct functional class of membrane-active, cytolytic research compounds. To fully contextualize its activity, researchers frequently compare PNC-27 with related structural analogs and non-specific lytic peptides in parallel assay controls.
A primary comparator is PNC-28, a related chimeric peptide derived from residues 17–26 of p53 attached to the same transmembrane penetratin domain. While both peptides exhibit HDM-2 dependent membrane lysis, PNC-28 features a shorter sequence that alters its physical amphipathic alpha-helical dynamics and secondary binding kinetics in select cell lines. In contrast, non-selective host-defense peptides like LL-37 induce membrane permeability through general electrostatic lipid interactions, lacking the HDM-2 receptor selectivity demonstrated by the PNC peptide series.
Comparative studies utilizing these compounds allow researchers to differentiate between specific membrane-bound receptor-targeted necrosis and non-specific hydrophobic membrane disruption, providing deep insights into cell surface pathology and target-driven membrane disruption.
Procurement, Bulk Accounts, and Laboratory Integration
PX1 Research is dedicated to supplying verified, high-purity research compounds to academic institutions, biotechnology firms, and contract research organizations across the United States. All peptides are synthesized in state-of-the-art, GMP-compliant facilities and undergo double-blind analytical verification prior to final fill packaging.
Orders placed before 3:00 PM PST ship same-day from our dual fulfillment centers located in California and Arizona, ensuring minimal transit times and cold-chain integrity. Packages are shipped in discreet, thermal-insulated packaging designed to protect ambient and temperature-sensitive compounds during delivery.
For research institutions requiring custom production runs, bulk 60mg vial packaging, or dedicated lot reservations, PX1 provides tailored procurement arrangements. Principal investigators and laboratory managers can register for institutional pricing and scheduled recurring deliveries through our dedicated wholesale research accounts portal.
Frequently Asked Questions
What is the physical state and content of a PNC-27 60mg vial?
A PNC-27 60mg vial contains a lyophilized (freeze-dried) solid cake consisting of 60 milligrams of high-purity synthetic PNC-27 peptide, intended strictly for laboratory in vitro or preclinical research use.
How do I reconstitute a 60mg vial of PNC-27 to a 30 mg/mL concentration?
To achieve a 30 mg/mL concentration, add exactly 2.0 mL of sterile reconstitution diluent (such as Bacteriostatic Water or PBS) to the 60mg vial using a calibrated micropipette, gently rotating the vial until fully dissolved.
Does PX1 Research regularly stock 60mg PNC-27 vials?
PX1 Research primarily stocks standard 5mg and 10mg PNC-27 analytical units. High-mass 60mg vials are available via custom institutional order or high-throughput supply contracts. Standard catalog options can be viewed under our primary PNC-27 product page.
Is PNC-27 action dependent on the p53 gene status of target cells?
No. Preclinical research demonstrates that PNC-27 induces cell lysis via membrane-bound HDM-2 binding and direct pore formation, operating entirely independent of the intracellular p53 signaling pathway.
Where can I view the third-party analytical COA for my PNC-27 lot?
Lot-matched Certificates of Analysis showing HPLC purity curves, mass spectrometry profiles, and endotoxin assay results can be accessed directly through the PX1 Research COA portal.
How should reconstituted PNC-27 stock solutions be stored?
Reconstituted solutions should be immediately divided into single-use aliquoting tubes and stored at -20°C or -80°C to prevent peptide degradation from repeated freeze-thaw cycles.
What endotoxin limits are guaranteed for PX1 Research peptides?
PX1 Research peptides are lot-tested via chromogenic rLAL testing to guarantee endotoxin levels remain strictly below 0.01 EU/µg, ensuring compatibility with sensitive cell culture assays.
How does PNC-27 compare to PNC-28 in laboratory assays?
PNC-27 utilizes residues 12–26 of the p53 peptide sequence, whereas PNC-28 utilizes residues 17–26. Both target membrane HDM-2, but exhibit subtle differences in molecular mass, secondary structure conformation, and alpha-helical pore insertion dynamics.
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