Selank – Tuftsin-Derived Heptapeptide for Research

Selank is a synthetic heptapeptide developed for advanced laboratory research involving neuropeptide signalling, neurotransmission, GABA-associated pathways and peptide structure–activity relationships. Its clearly defined seven-amino-acid sequence combines the naturally occurring tuftsin fragment Thr–Lys–Pro–Arg with the stabilising tripeptide sequence Pro–Gly–Pro. The complete amino-acid sequence of Selank is: Thr–Lys–Pro–Arg–Pro–Gly–Pro Also written as: TKPRPGP This compact molecular structure makes Selank particularly relevant for professional biochemical, analytical and cellular research involving regulatory peptides and nervous-system signalling.

Key Product Features

• Synthetic seven-amino-acid research peptide
• Clearly defined TKPRPGP sequence
• Derived from the natural tuftsin peptide
• Contains a C-terminal Pro–Gly–Pro sequence
• Relevant for neurotransmission research
• Suitable for GABA-associated pathway studies
• Useful for neuropeptide and gene-expression models
• Suitable for analytical peptide characterisation
• Supplied as a lyophilised research material
• Clear batch-specific product information
• Secure and discreet packaging
• Fast and trackable European delivery

What Is Selank?

Selank is a synthetic analogue of tuftsin, a naturally occurring tetrapeptide with the sequence Thr–Lys–Pro–Arg. The addition of Pro–Gly–Pro at the C-terminus creates the complete seven-amino-acid Selank sequence. This modification has been investigated in relation to peptide stability, molecular duration and biological signalling. The peptide is frequently studied in experimental models involving central nervous system communication, neurotransmitter-associated gene expression and the interaction between regulatory peptides and neural pathways. Research into Selank remains focused on understanding its molecular mechanisms rather than establishing the research material as a therapeutic product.

Tuftsin-Derived Peptide Research

Tuftsin is a naturally occurring regulatory tetrapeptide corresponding to the sequence: Thr–Lys–Pro–Arg Selank retains this complete tuftsin-related sequence and adds the tripeptide Pro–Gly–Pro. This makes Selank relevant for studies involving:

• Tuftsin-derived peptide biology
• Regulatory peptide signalling
• C-terminal peptide modification
• Proline-rich peptide sequences
• Peptide stability
• Enzymatic degradation
• Structure–activity relationships
• Comparative peptide-fragment research
• Neuropeptide chemistry
• Peptide metabolite analysis

Researchers may compare Selank with tuftsin, Pro–Gly–Pro or shorter Selank-derived fragments to investigate how sequence length and composition influence molecular behaviour.

Neurotransmission Research

Selank has been examined in experimental models involving genes and pathways associated with neurotransmission. Potential laboratory research areas include:

• Neurotransmitter receptor expression
• Neural cell signalling
• Synaptic communication
• Receptor-subunit gene expression
• Ion-channel-associated pathways
• Neurotransmitter transporters
• Intracellular signal transduction
• Neural response pathways
• Comparative neuropeptide research
• Time-dependent gene-expression analysis

Animal research has reported changes in the expression of multiple genes associated with neurotransmission following Selank exposure. These results remain model-specific and depend on the experimental conditions used.

GABA-Associated Research

Gamma-aminobutyric acid, commonly known as GABA, is an important inhibitory neurotransmitter within the nervous system. Experimental studies have investigated possible relationships between Selank and the GABAergic system. Relevant research topics include:

• GABA receptor-associated signalling
• GABA-A receptor subunit expression
• GABA binding interactions
• Allosteric receptor modulation
• Neural inhibitory pathways
• Receptor sensitivity
• Neurotransmitter-response models
• Comparative GABA-related compounds
• Gene-expression changes
• Cellular signalling analysis

The precise mechanisms remain under investigation. Selank should not be described as acting identically to established pharmaceutical GABA-receptor compounds.

Gene-Expression Research

Selank is particularly relevant for laboratories examining how short regulatory peptides may influence cellular gene-expression patterns. Potential research applications include:

• Neurotransmission-related gene expression
• Receptor-subunit expression
• Transporter-associated genes
• Ion-channel expression
• Immediate cellular responses
• Time-dependent transcriptional changes
• Comparative transcriptomic analysis
• Neural cell-response pathways
• Regulatory peptide signalling
• Molecular pathway mapping

Research may compare Selank-associated expression patterns with those produced by GABA or other neuroactive reference compounds.

Neuropeptide Research

Neuropeptides are short signalling molecules that contribute to communication between neurons and other cell types. Selank may be useful for research involving:

• Neuropeptide signalling
• Peptide–receptor interactions
• Neural communication
• Peptide degradation
• Enzyme–substrate interactions
• Regulatory peptide networks
• Cellular uptake
• Peptide transport
• Signal amplification
• Comparative neuropeptide pharmacology

Its compact sequence makes Selank suitable for targeted studies involving clearly defined peptide structures.

Pro–Gly–Pro Sequence Research

The C-terminal Pro–Gly–Pro sequence is an important structural feature of Selank. Proline-rich peptide fragments are studied in connection with:

• Peptide stability
• Proteolytic resistance
• Peptide metabolism
• Fragment formation
• Enzymatic degradation
• Molecular conformation
• Cellular uptake
• Regulatory peptide biology
• Peptide–protein interactions
• Comparative glyproline research

Researchers may examine the complete Selank peptide alongside Pro–Gly–Pro or other shorter fragments to study their individual analytical and cellular characteristics.

Cellular and Molecular Research

Selank may also be relevant for broader cellular research involving:

• Neural cell models
• Receptor-expression analysis
• Cellular stress responses
• Intracellular signalling
• Protein-expression changes
• Peptide uptake
• Gene-regulation pathways
• Cellular communication
• Comparative peptide screening
• Molecular-response profiling

Research results may vary according to cell type, peptide concentration, exposure duration and analytical method.

Potential Research Applications

Selank may be suitable for controlled scientific research involving:

• Tuftsin-derived peptide biology
• GABA-associated signalling
• Neurotransmitter gene expression
• Neural receptor pathways
• Neuropeptide communication
• Regulatory peptide research
• Proline-rich peptide sequences
• Peptide stability
• Enzymatic degradation
• Peptide-fragment analysis
• Structure–activity relationships
• Cellular-response pathways
• Analytical peptide characterisation
• Chromatographic analysis
• Mass-spectrometry analysis
• Stability and degradation studies

The exact experimental conditions, controls and analytical procedures should be selected and validated by the qualified laboratory conducting the research.

Analytical Research

Selank may be suitable for professional analytical applications involving:

• High-performance liquid chromatography
• Liquid chromatography–mass spectrometry
• Peptide identity confirmation
• Amino-acid-sequence verification
• Purity assessment
• Stability testing
• Degradation profiling
• Metabolite identification
• Solubility assessment
• Reference-material comparison
• Comparative peptide analysis
• Analytical method development

Because Selank contains several proline residues, laboratories should use analytical methods specifically validated for the TKPRPGP sequence.

Product Specifications

Product characteristic	Information
Product name	Selank
Amino-acid sequence	Thr–Lys–Pro–Arg–Pro–Gly–Pro
Sequence abbreviation	TKPRPGP
Product category	Synthetic research peptide
Peptide type	Tuftsin-derived heptapeptide
Peptide length	Seven amino acids
Structural basis	Tuftsin with C-terminal Pro–Gly–Pro
Primary research areas	Neuropeptide and neurotransmission research
Form	Lyophilised research material
Presentation	Securely sealed research vial
Documentation	Batch-specific analytical information
Packaging	Secure and discreet packaging
Intended application	Scientific, analytical and laboratory research

Lyophilised Research Format

Selank is supplied as a lyophilised research material in a securely sealed vial. Lyophilisation removes moisture and helps support peptide stability during controlled storage and transportation. Minor variations in physical appearance may occur because of product quantity, production conditions and residual moisture. Physical appearance alone should not be used to determine product identity, purity or analytical quality. Researchers should review the documentation associated with the applicable batch.

Quality and Product Transparency

Peptides Divas focuses on clear specifications, professional handling and batch-level traceability. Available analytical information may include:

• Product identification
• Confirmed TKPRPGP sequence
• Batch or lot number
• Reported purity
• HPLC analysis
• Mass-spectrometry data
• Testing information
• Product appearance
• Storage recommendations

This provides researchers with clear and traceable information for the applicable product batch.

Storage Information

Store Selank in its original sealed packaging according to the conditions stated on the product label and applicable batch documentation. Protect the research material from:

• Direct sunlight
• Excessive heat
• Moisture
• Contamination
• Damaged packaging
• Repeated temperature fluctuations
• Unnecessary exposure to air

The receiving laboratory is responsible for establishing appropriate preparation, handling and storage procedures for its specific research protocol.

Why Choose Selank?

Selank provides a compact and clearly defined peptide structure for advanced neuropeptide and analytical research. Key research advantages include:

• Precisely defined TKPRPGP sequence
• Clearly established relationship to tuftsin
• Relevant for neurotransmission research
• Suitable for GABA-associated pathway studies
• Useful for gene-expression models
• Valuable for peptide-fragment analysis
• Suitable for structure–activity research
• Convenient lyophilised presentation
• Clear batch-specific product information

Why Order from Peptides Divas?

Peptides Divas combines carefully selected research materials with fast, dependable and professional service. Customers benefit from:

• Clearly displayed product specifications
• Batch-specific analytical information
• Fast order processing
• Secure and discreet packaging
• Trackable shipping options
• Careful vial protection
• Responsive customer support
• Reliable European delivery

Choose Selank from Peptides Divas for advanced laboratory research involving neuropeptide signalling, GABA-associated pathways, gene expression and regulatory peptide biology. For laboratory research use only. Not intended for human or veterinary use.