neuropeptide γ, Agonist of NK 2 receptor, CAS No.rp174615, Agonist of NK 2 receptor

CAS: rp174615 Cat. No.: rp174615 PubChem CID: 16132172
DISPONIBLE À COMMANDE
GRADE & PURITY Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools.
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Size
Allemagne (EU)
USA*
Price
Qty
500μg
rp174615-500μg
Sur commande · 8–12 semaines
2 082,49€
1mg
rp174615-1mg
Sur commande · 8–12 semaines
3 470,87€
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Why this grade

Moligand™ Moligand™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Product Name
neuropeptide γ, Agonist of NK 2 receptor, CAS No.rp174615
Synonymes
Neuropeptide K(pig), 3-de-L-aspartic acid-4-de-L-serine-5-de-L-serine-6-de-L-isoleucine-7-de-L-glutamic acid-8-de-L-lysine-9-de-L-glutamine-10-de-L-valine-11-de-L-alanine-12-de-L-leucine-13-de-L-leucine-14-de-L-lysine-15-de-L-alanine-16-de-L-leucine-17-de
Grade
Moligand™
Spécifications et pureté
Moligand™
Type d'action
AGONIST
Mécanisme d'action
Agonist of NK 2 receptor
CAS
rp174615
Type de molécule
Peptide
Product Line
Produits biologiques
Stockage et expédition
Conditions de stockage de stockage
Room temperature

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Cibles associées (humaines)
TACR2 Tchem Substance-K receptor (0 Activities)
Activity TypeActivity Value -log(M)Mechanism of ActionActivity ReferencePublications (PubMed IDs)
Certificats (CoA, COO, BSE/TSE et tableau d'analyse)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Informations génétiques
Alternate NamesNeuropeptide K(pig), 3-de-L-aspartic acid-4-de-L-serine-5-de-L-serine-6-de-L-isoleucine-7-de-L-glutamic acid-8-de-L-lysine-9-de-L-glutamine-10-de-L-valine-11-de-L-alanine-12-de-L-leucine-13-de-L-leucine-14-de-L-lysine-15-de-L-alanine-16-de-L-leucine-17-de
Reference
  • 1. Kinetics and inhibition of recombinant human cystathionine gamma-lyase. Toward the rational control of transsulfuration., The Journal of biological chemistry, Steegborn, C C and 7 more authors.
  • 2. Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences., Proceedings of the National Academy of Sciences of the United States of America, Strausberg, Robert L RL and 83 more authors.
  • 3. Genomic basis of cystathioninuria (MIM 219500) revealed by multiple mutations in cystathionine gamma-lyase (CTH)., Human genetics, Wang, Jian J and Hegele, Robert A RA.
  • 4. Cloning and nucleotide sequence of human liver cDNA encoding for cystathionine gamma-lyase., Biochemical and biophysical research communications, Lu, Y Y, O'Dowd, B F BF, Orrego, H H and Israel, Y Y.
  • 5. Single nucleotide polymorphism in CTH associated with variation in plasma homocysteine concentration., Clinical genetics, Wang, J J, Huff, A M AM, Spence, J D JD and Hegele, R A RA.
  • 6. Cystathionine gamma-lyase overexpression inhibits cell proliferation via a H2S-dependent modulation of ERK1/2 phosphorylation and p21Cip/WAK-1., The Journal of biological chemistry, Yang, Guangdong G, Cao, Kun K, Wu, Lingyun L and Wang, Rui R.
  • 7. The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)., Genome research, Gerhard, Daniela S DS and 115 more authors.
  • 8. Towards a proteome-scale map of the human protein-protein interaction network., Nature, Rual, Jean-François JF and 37 more authors.
  • 9. The DNA sequence and biological annotation of human chromosome 1., Nature, Gregory, S G SG and 178 more authors.
  • 10. Polymorphisms in one-carbon metabolism and trans-sulfuration pathway genes and susceptibility to bladder cancer., International journal of cancer, Moore, Lee E LE and 14 more authors. more
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Application Protocols

No tested applications or protocols (e.g., binding assay conditions, functional readouts, recommended concentrations) are provided for this item in the Product Data.

  • Item-specific recommendations: Not specified for this item; refer to CoA/Spec Sheet.

Researchers typically tailor concentrations and assay formats (binding, Ca2+ mobilization, organ bath contractility, electrophysiology) to their system. Please validate dose ranges, solvent percentages, and incubation times empirically and consult primary literature for tachykinin assay design.

Biological Roles

The following provides literature-based biological context for neuropeptide γ (NPγ); it is not item-specific performance data.

  • Family and origin (literature):

    • NPγ is a member of the tachykinin peptide family derived from the TAC1 (preprotachykinin A) gene as an N‑terminally extended form related to neurokinin A. Tachykinins share a conserved C‑terminal motif and act via G protein-coupled receptors (NK1, NK2, NK3).
  • Molecular pharmacology (literature/general):

    • Tachykinins activate neurokinin receptors to elicit intracellular Ca2+ mobilization and downstream signaling (e.g., PLC/PKC pathways). NPγ and related peptides are used as ligands to probe receptor subtype selectivity, potency, and desensitization.
  • Physiological context (literature/general, no clinical claims):

    • Tachykinin signaling is implicated in neuronal communication and smooth muscle responses across tissues. Extended forms (e.g., NPγ) can show distinct receptor engagement kinetics and tissue responses compared to shorter core peptides, enabling nuanced studies of ligand–receptor interactions and peptide processing.
  • Experimental uses (literature/general):

    • Reference standard in receptor binding/functional assays, internal controls for peptide quantitation (LC‑MS), and tools for studying enzymatic degradation (endopeptidases, metalloproteases) and proteolytic stability.

Note: Actual affinity, efficacy, and subtype selectivity depend on sequence, assay conditions, and species. Consult primary literature and verify behavior under your specific experimental setup.

Buffer Applications

This product is a bioactive peptide rather than a buffering agent; it is not typically used to establish buffer capacity. However, buffer choice is central to successful peptide dissolution and bioassays.

  • Item-specific buffer guidance: Not specified for this item; refer to CoA/Spec Sheet.

  • Practical buffer considerations for peptide handling (literature/general; not item-specific):

    • Dissolution: Start with water or mildly acidic aqueous media (e.g., 10–50 mM acetic acid or 0.1% TFA) for difficult-to-dissolve peptides; then adjust to working buffer.
    • Assay buffers: Phosphate, HEPES, or HBSS/DPBS at pH 7.2–7.4 for receptor assays; include 0.1% BSA to limit surface adsorption if compatible.
    • pH and stability: Avoid extremes of pH and elevated temperature; some residues (e.g., Met) are oxidation-sensitive—minimize air/light exposure.
    • Filtration: If sterility is required, use low-protein-binding 0.22 µm filters and validate recovery to mitigate peptide loss.
  • Example stock/working approach (general):

    • Prepare 1–10 mM stocks in water, dilute acetic acid, or DMSO as needed; then dilute into assay buffer to the desired final concentration, keeping DMSO ≤0.1–1% v/v if used.

Always verify compatibility with your assay system and consult the lot-specific CoA for any counter‑ion or salt-form details that may affect pH and ionic strength.

Green Alternatives

Greener practices for peptide research focus on minimizing hazardous solvents, optimizing atom economy in synthesis, and reducing waste during assay preparation.

  • Item-specific green profile: Not specified for this item; refer to CoA/Spec Sheet.

  • Greener handling and use (general/literature; not item-specific):

    • Prefer aqueous media: Use water or mild aqueous buffers for working solutions; limit DMSO to the smallest effective volume.
    • Right-first-time concentration: Prepare concentrated master stocks to reduce repeat freeze–thaw and waste.
    • Microscale assays: Employ miniaturized plate formats (384–1536 well) to cut solvent consumption.
  • Greener options in peptide synthesis/workflows (general comparison):

    • Conventional SPPS often uses DMF/DCM; alternatives like N‑butylpyrrolidone (NBP) or greenDMF and MeTHF have been explored (literature), with tradeoffs in resin swelling and coupling rates.
    • Swap DIEA for less volatile bases where compatible; evaluate OxymaPure® with DIC to reduce HOBt/HOAt hazards.
  • Waste and safety benefits:

    • Reduced VOC exposure and simplified waste streams when favoring water-based buffers and minimizing halogenated solvents.

Tradeoffs should be evaluated empirically (solubility, assay performance). Document any solvent changes in your methods to support reproducibility.

Pharmaceutical Uses

No pharmacopeial/excipient status or formulation role is specified for this item in the Product Data.

  • Item-specific status:

    • Regulatory listing/monograph: Not specified for this item; refer to CoA/Spec Sheet.
    • Formulation/excipient use: Not specified for this item; refer to CoA/Spec Sheet.
  • General context for peptide standards in pharmaceutical research (literature/general; not item-specific):

    • Utilized as reference standards or system suitability controls in analytical methods (HPLC/LC‑MS) supporting discovery and preclinical research.
    • Applied in in vitro assays to benchmark receptor activity, assess metabolic stability (microsomes, plasma), and support structure–activity studies.
    • When used in formulation research, peptides are commonly evaluated in buffered aqueous systems, sometimes with stabilizers or co-solvents; adsorption to containers and interfaces should be assessed.

No therapeutic or clinical claims are made for this product. It is provided strictly for research use only, as indicated in the Product Data.

Physical Properties

Item-specific physicochemical specifications were not provided for this catalog entry.

  • For this item (from Product Data):

    • Appearance: Not specified for this item; refer to CoA/Spec Sheet.
    • Molecular weight: Not specified for this item; refer to CoA/Spec Sheet.
    • Molecular formula: Not specified for this item; refer to CoA/Spec Sheet.
    • Melting point / boiling point / density / refractive index / UV cutoff / water/peroxide/metal contents: Not specified for this item; refer to CoA/Spec Sheet.
  • General properties of peptide standards (literature/general guidance; not item-specific):

    • Phase: Typically solid (lyophilized) at ambient conditions; hygroscopicity varies with sequence.
    • Solubility: Often soluble in water, dilute acids (e.g., 0.1% TFA or acetic acid), or polar organics (DMSO); aggregation and solubility depend strongly on sequence and concentration. Salt form (acetate/TFA) influences aqueous dissolution.
    • pH-dependent behavior: Ionizable side chains yield sequence-dependent isoelectric points; solubility commonly improves away from the pI.
    • Stability: Susceptible to hydrolysis and oxidation (e.g., Met oxidation) under harsh conditions; protected by low temperature, neutral to slightly acidic pH, exclusion of light/air, and antioxidants (where compatible) in research workflows.

Please consult the lot-specific CoA/SDS for definitive properties and handling limits.

Quality and Grades
  • Item-specific grade information (from Product Data):

    • Grade/Purity: Moligand™.
  • Interpretation and practical implications:

    • Moligand™ (general description; brand/collection context): Denotes inclusion in a research ligand/compound library suitable for discovery screening, target validation, and method development. It signals a focus on reproducibility and convenient handling for laboratory use. Specific acceptance criteria (e.g., HPLC purity, counter‑ion content, residual solvents, water) are not stated for this item.
    • What is specified for this item? Only the grade name is provided. All quantitative specifications (purity %, counter‑ion form, peptide content by nitrogen analysis, optical purity, residual solvents, water) are: Not specified for this item; refer to CoA/Spec Sheet.
  • General guidance for peptide research materials (literature/general; not item-specific):

    • Quality for bioassays typically involves HPLC purity (often ≥95% for reference peptides), LC‑MS identity confirmation, and defined counter‑ion form (e.g., acetate, TFA). UV profiles and peptide content (anhydrous basis) can affect dosing accuracy.
    • For quantitative pharmacology, confirm lot-specific purity and counter‑ion to calculate molar concentrations correctly.

Contact us for lot-specific CoA/SDS to verify purity, identity methods, and counter-ion information before critical experiments.

Reaction and Applications

As a bioactive peptide standard, neuropeptide γ is not typically used as a reagent in classical organic reactions. Instead, its applications are primarily in biochemical and pharmacological research.

  • Item-specific application notes: Not provided in the Product Data; see Biological Roles and Application Protocols for broader guidance.

  • General research uses for tachykinin peptides (literature/general; not item-specific):

    • Receptor pharmacology: Tool compound for characterizing tachykinin receptors (NK1/NK2/NK3) in binding and functional assays (e.g., Ca2+ mobilization, contraction assays), with assay-dependent potency and selectivity.
    • Signal transduction studies: Probe for GPCR-mediated pathways, desensitization, internalization, and biased signaling.
    • Structure–activity relationship (SAR): Benchmark in peptide SAR, analog design, and backbone/side-chain modifications (e.g., D‑substitutions, N‑methylation, C‑terminal modifications) to modulate potency and stability.
    • Analytical reference: HPLC/LC‑MS retention and fragmentation control for peptide method validation; spike/recovery and matrix-effects studies.
  • Chemical reaction context (general peptide chemistry):

    • Labeling/bioconjugation: If sequence contains nucleophilic handles (e.g., Lys ε‑NH2, N‑terminus), standard amide coupling (HATU/EDC) or NHS‑ester labeling can be applied; thiol conjugation (maleimide) requires Cys (sequence-dependent). Conditions must be sequence- and assay-appropriate.

For specific reactivity, sequence and protecting-group information are required; consult the CoA or contact us for detailed compatibility guidance.

Reaction Conditions

No item-specific reaction conditions are provided in the Product Data. For researchers intending to derivatize or label peptides like neuropeptide γ, the following general, literature-based conditions may be useful (not item-specific):

  • Amide coupling to carboxylates (e.g., N‑terminal capping):

    • Reagents: HATU (or HBTU), DIEA, carboxylic acid (5–10 eq), peptide (1 eq).
    • Solvent: DMF or NMP; 0.05–0.2 M.
    • Conditions: RT, 0.5–2 h; monitor by LC‑MS. Quench and purify by RP‑HPLC.
  • NHS‑ester labeling (e.g., FITC/Cy dyes) on primary amines (N‑terminus/Lys):

    • Buffer: 50–100 mM bicarbonate or phosphate, pH 8.3–8.5 (amine deprotonation), or anhydrous DMF for organic-soluble dyes.
    • Stoichiometry: 1–3 eq dye per labeling site; 15–60 min at RT in dark.
  • Maleimide–thiol conjugation (requires Cys in sequence):

    • Buffer: 50 mM phosphate, pH 6.5–7.0 with 1–5 mM EDTA; avoid amines that compete.
    • Conditions: 1–2 eq maleimide, 15–60 min, RT; minimize oxygen to limit disulfide formation.
  • Oxidation precautions:

    • Methionine and tryptophan residues are oxidation-sensitive; exclude light and air, add inert gas overlay when feasible.
  • Typical yields:

    • Highly sequence- and method-dependent; purification by preparative RP‑HPLC commonly affords 40–80% recovery after labeling (literature ranges).

Always verify compatibility with the actual peptide sequence and perform small-scale trials before scale-up.

Safety and Handling

Safety information specific to this item is limited in the Product Data.

  • Item-specific hazard data:

    • GHS classification / pictograms / signal word / H-statements: Not specified for this item; refer to SDS.
  • General laboratory precautions for peptides (literature/general guidance; not item-specific):

    • PPE: Use lab coat, safety glasses, and suitable gloves (e.g., nitrile). Avoid inhalation of powders/aerosols; handle solids in a fume hood or ventilated enclosure.
    • First aid (overview): If inhaled, move to fresh air; if on skin/eyes, rinse with water for several minutes; if ingested, rinse mouth. Seek medical attention as appropriate. Always follow your institution’s EHS procedures.
    • Incompatibilities: Strong oxidizers can degrade sulfur-containing residues (e.g., Met, Cys). Avoid strong acids/bases at elevated temperature to minimize hydrolysis or racemization during handling.
    • Environmental: Prevent release to drains without assessment; dispose according to local regulations and SDS guidance.
    • Hygroscopicity/adsorption: Some peptides are hygroscopic and can adsorb to plastics/glass at low concentration; use low-binding plastics where practical.

Always defer to the product SDS and institutional risk assessment for authoritative hazard classification, exposure limits, spill response, and waste disposal.

Solvent Selection

This product is a bioactive peptide; solvent selection should prioritize solubility, structural integrity, and compatibility with the intended assay.

  • Item-specific guidance: Not specified for this item; refer to CoA/Spec Sheet.

  • General peptide dissolution strategy (literature/general; not item-specific):

    • Primary solvents:
      • Water or aqueous buffers (e.g., 10–50 mM acetate, phosphate, or HEPES) when readily soluble.
      • If poorly soluble at neutral pH, pre-wet with a minimal volume of DMSO or 0.1–1% acetic acid or TFA in water, then dilute with buffer.
    • pH considerations: Solubility often improves at pH values where the peptide is charged; avoid extremes that promote hydrolysis.
    • Additives: 0.1% carrier proteins (e.g., BSA) or 0.01–0.1% non-ionic surfactants (e.g., Tween‑20) can mitigate surface adsorption in bioassays (compatibility depends on assay).
    • Material choice: Use low-bind plastics or siliconized glass to reduce adsorption at low µM–nM concentrations.
  • Comparison (general):

    • Water/buffer: Maximizes biological compatibility; may require pH adjustment.
    • DMSO: Excellent cosolvent for stock solutions; limit final assay DMSO to ≤0.1–1% v/v to avoid biological effects.
    • Alcohols (MeOH, EtOH): Sometimes useful but can perturb membrane receptors; use judiciously.

Prepare fresh working solutions when feasible and verify clarity; filter (0.22 µm) only if the peptide is known to be filter-stable and non-adsorptive under your conditions.

Storage and Reconstitution
  • Item-specific storage (from Product Data):

    • Storage conditions: Room temperature.
    • Shipped in: Not specified for this item; refer to CoA/Spec Sheet.
    • Appearance / form: Not specified for this item; refer to CoA/Spec Sheet.
  • Reconstitution (item-specific):

    • Instructions, solvent, concentration, and stabilizers: Not specified for this item; refer to CoA/Spec Sheet.
  • General handling notes for peptides (literature/general; not item-specific):

    • Upon receipt, keep container tightly closed and protect from moisture and light. For long-term storage after opening or reconstitution, many peptides are kept at −20 to −80 °C in aliquots to avoid freeze–thaw; verify compatibility with this item.
    • Use sterile, low-bind consumables; if preparing aqueous stocks, consider mildly acidic media or minimal DMSO to aid dissolution, then dilute into assay buffer.

For definitive guidance on container type, reconstitution solvent, concentration limits, and long-term stability, consult the lot-specific CoA/SDS for this SKU.

Structure and Identity

Neuropeptide γ (NPγ) is a bioactive tachykinin-family peptide intended for research use as part of a small-molecule/compound library.

  • Item-specific identifiers (from Product Data):

    • SKU: rp174615
    • Product name: neuropeptide γ
    • CAS: rp174615 (catalog placeholder)
    • PubChem CID: 16132172
    • Grade/Purity: Moligand™
    • InChIKey: Not specified for this item; refer to CoA/Spec Sheet.
    • SMILES: Not specified for this item; refer to CoA/Spec Sheet.
    • Molecular formula: Not specified for this item; refer to CoA/Spec Sheet.
    • Molecular weight: Not specified for this item; refer to CoA/Spec Sheet.
  • Structural features (general/literature context for tachykinins, not item-specific):

    • Tachykinins are short peptides characterized by a conserved C‑terminal motif …Phe–X–Gly–Leu–Met–NH2 (where X is typically Val or Ile), bearing a C‑terminal amide and multiple protonatable side chains.
    • Peptide backbone with multiple amide bonds, side chains spanning basic (Lys/Arg, if present), acidic (Asp/Glu, if present), polar (Ser/Thr), and hydrophobic (Phe/Leu/Val/Met) residues.
    • Net charge and microenvironmental pKa values depend on sequence and pH (literature).
  • 2D description (general peptide topology):

    • Linear oligomer of α‑amino acids linked via trans‑amide bonds, terminating in a C‑terminal amide; side chains project alternately from the backbone, creating amphiphilic character typical of tachykinin receptor ligands (literature).
Synthetic Utility

As a defined bioactive peptide, neuropeptide γ is primarily a target molecule or assay ligand rather than a building block for general organic synthesis. Nonetheless, peptide chemistry concepts inform its modification and use.

  • Item-specific synthetic details: Not specified for this item; refer to CoA/Spec Sheet.

  • General utility in chemical biology (literature/general; not item-specific):

    • Derivatization: N‑terminal acylation, PEGylation, or fluorescent tagging (e.g., FITC via NHS‑ester, sulfo‑Cy dyes) for imaging or binding assays; site-selective conjugation depends on available residues (e.g., Lys, Cys).
    • Backbone modifications: D‑amino acid substitutions, N‑methylation, or peptidomimetics to enhance metabolic stability and receptor selectivity in SAR campaigns.
    • Immobilization: Attachment to solid supports (e.g., resin, beads) via side-chain or terminus for affinity capture or receptor-ligand studies.
    • Analytical calibration: Serves as a calibrant for retention-time mapping and MS/MS fragmentation libraries in peptide analytics.
  • Retrosynthetic perspective (general):

    • Accessed by solid-phase peptide synthesis (SPPS) using Fmoc/tBu strategy with on-resin C‑terminal amidation when required; final deprotection and purification by preparative RP‑HPLC.

For any planned chemical modification, confirm the actual sequence and counter‑ion form from the CoA to choose protecting-group schemes and conjugation chemistries appropriately.

Target Specificity

No validated target specificity, receptor subtype, or binding constants are provided for this item in the Product Data.

  • Item-specific data: Not specified for this item; refer to CoA/Spec Sheet.

Note: While tachykinin peptides are widely studied with neurokinin receptors in the literature, any claims of affinity, potency, or selectivity for this specific catalog item should be based on lot-specific data or independent experimental verification.

Foire aux questions

What is Moligand??
Moligand? is one of Aladdin Scientific's premium product lines, formulated for high-purity applications across multiple workflows. Compared to standard grades in the same workflow, Moligand? products typically offer tighter specifications, more rigorous QC, and stronger lot-to-lot consistency.
How should this product be stored?
Store at room temperature.
What are the CAS number, molecular formula and molecular weight?
The CAS Number is rp174615.
What documentation is provided?
Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.

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