{"id":151,"date":"2026-06-18T00:13:11","date_gmt":"2026-06-18T00:13:11","guid":{"rendered":"https:\/\/peptidesdivas.com\/?post_type=product&#038;p=151"},"modified":"2026-07-20T08:30:28","modified_gmt":"2026-07-20T08:30:28","slug":"tb-500-research-peptide","status":"publish","type":"product","link":"https:\/\/peptidesdivas.com\/it\/product\/tb-500-research-peptide\/","title":{"rendered":"TB-500"},"content":{"rendered":"<h1>TB-500 \u2013 Thymosin Beta-4 Fragment for Research<\/h1>\n<p>TB-500 is a synthetic research peptide corresponding to the N-acetylated 17\u201323 fragment of human thymosin beta-4. Its compact seven-amino-acid sequence, Ac-LKKTETQ, represents an important region associated with actin-related cellular processes.<\/p>\n<p>This clearly defined molecular structure makes TB-500 particularly relevant for professional laboratory studies involving actin dynamics, cytoskeletal organisation, endothelial-cell behaviour, cellular migration and peptide structure\u2013activity relationships.<\/p>\n<p>TB-500 is supplied as a premium lyophilised research material in a securely sealed vial with clear batch information, professional packaging and fast order processing from Peptides Divas.<\/p>\n<h2>Caratteristiche principali del prodotto<\/h2>\n<ul>\n<li>Synthetic thymosin beta-4 fragment<\/li>\n<li>N-acetylated peptide sequence<\/li>\n<li>Clearly defined Ac-LKKTETQ structure<\/li>\n<li>Seven-amino-acid research peptide<\/li>\n<li>Relevant for actin-related cellular research<\/li>\n<li>Suitable for cytoskeletal and migration studies<\/li>\n<li>Useful for endothelial-cell models<\/li>\n<li>Suitable for analytical peptide characterisation<\/li>\n<li>Fornito come materiale di ricerca liofilizzato<\/li>\n<li>Informazioni chiare sul prodotto specifiche per lotto<\/li>\n<li>Imballaggio sicuro e discreto<\/li>\n<li>Spedizione europea rapida e tracciabile.<\/li>\n<\/ul>\n<h2>What Is TB-500?<\/h2>\n<p>TB-500 is a synthetic heptapeptide identified as the N-terminally acetylated 17\u201323 fragment of human thymosin beta-4.<\/p>\n<p>Its amino-acid sequence is:<\/p>\n<p><strong>Ac-Leu\u2013Lys\u2013Lys\u2013Thr\u2013Glu\u2013Thr\u2013Gln<\/strong><\/p>\n<p>The abbreviated sequence is:<\/p>\n<p><strong>Ac-LKKTETQ<\/strong><\/p>\n<p>TB-500 contains the central actin-binding motif associated with thymosin beta-4, but it is a separate and much smaller research compound than full-length thymosin beta-4.<\/p>\n<p>This distinction is important because TB-500 and complete thymosin beta-4 have different molecular sizes, analytical profiles and research characteristics.<\/p>\n<h2>TB-500 Versus Thymosin Beta-4<\/h2>\n<p>TB-500 is often incorrectly described as being identical to thymosin beta-4.<\/p>\n<p>Full-length thymosin beta-4 is a naturally occurring 43-amino-acid protein involved in actin regulation. TB-500 is a synthetic seven-amino-acid fragment derived from one region of that protein.<\/p>\n<table>\n<thead>\n<tr>\n<th>Caratteristiche del prodotto<\/th>\n<th>TB-500<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Tipo composto<\/td>\n<td>Synthetic peptide fragment<\/td>\n<\/tr>\n<tr>\n<td>Sequenza peptidica<\/td>\n<td>Ac-LKKTETQ<\/td>\n<\/tr>\n<tr>\n<td>lunghezza del peptide<\/td>\n<td>Seven amino acids<\/td>\n<\/tr>\n<tr>\n<td>Parent protein<\/td>\n<td>Thymosin beta-4<\/td>\n<\/tr>\n<tr>\n<td>Parent-protein region<\/td>\n<td>Amino acids 17\u201323<\/td>\n<\/tr>\n<tr>\n<td>Caratteristica strutturale<\/td>\n<td>N-terminal acetylation<\/td>\n<\/tr>\n<tr>\n<td>Main research area<\/td>\n<td>Actin-related cellular signalling<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Researchers should confirm the exact sequence using the product label and batch-specific analytical documentation.<\/p>\n<h2>Actin-Related Research<\/h2>\n<p>Actin is an essential cellular protein involved in maintaining cell structure, movement and cytoskeletal organisation.<\/p>\n<p>The LKKTETQ region is associated with the actin-binding domain of thymosin beta-4, making TB-500 relevant for research involving:<\/p>\n<ul>\n<li>Actin-related cellular processes<\/li>\n<li>Organizzazione citoscheletrica<\/li>\n<li>Cell shape and structural dynamics<\/li>\n<li>Actin polymerisation models<\/li>\n<li>Actin-binding interactions<\/li>\n<li>Cellular movement<\/li>\n<li>Focal adhesion pathways<\/li>\n<li>Cell-to-matrix communication<\/li>\n<li>Comparative actin-binding research<\/li>\n<li>Peptide\u2013protein interactions<\/li>\n<\/ul>\n<p>The exact behaviour of the isolated TB-500 fragment may differ from the activity of complete thymosin beta-4.<\/p>\n<h2>Cellular Migration Research<\/h2>\n<p>Cellular migration is a complex process involving actin remodelling, cytoskeletal organisation, adhesion proteins and extracellular signals.<\/p>\n<p>TB-500 may be relevant for controlled laboratory research involving:<\/p>\n<ul>\n<li>migrazione cellulare<\/li>\n<li>Endothelial-cell movement<\/li>\n<li>migrazione dei fibroblasti<\/li>\n<li>Riorganizzazione del citoscheletro<\/li>\n<li>adesione cellulare<\/li>\n<li>Cell spreading<\/li>\n<li>Actin-dependent movement<\/li>\n<li>Relazioni dose-risposta<\/li>\n<li>Screening comparativo dei peptidi<\/li>\n<li>Migration-assay development<\/li>\n<\/ul>\n<p>These research areas describe experimental cellular pathways and do not represent guaranteed biological or therapeutic outcomes.<\/p>\n<h2>Endothelial-Cell Research<\/h2>\n<p>Endothelial cells form the inner lining of blood vessels and are frequently used in laboratory research involving migration, adhesion and vascular signalling.<\/p>\n<p>Potential TB-500 research applications include:<\/p>\n<ul>\n<li>Endothelial-cell migration<\/li>\n<li>Endothelial-cell adhesion<\/li>\n<li>Tubule-formation models<\/li>\n<li>Cell-sprouting assays<\/li>\n<li>Vascular signalling<\/li>\n<li>Angiogenesis-associated pathways<\/li>\n<li>Organizzazione citoscheletrica<\/li>\n<li>Cell\u2013matrix interactions<\/li>\n<li>Comparative endothelial assays<\/li>\n<li>Molecular-response analysis<\/li>\n<\/ul>\n<p>Research involving thymosin beta-4 and its actin-binding region has examined endothelial migration and vessel-sprouting mechanisms in preclinical models.<\/p>\n<h2>Cytoskeletal Research<\/h2>\n<p>The cytoskeleton is a dynamic network that supports cell shape, intracellular transport, movement and division.<\/p>\n<p>TB-500 may be useful for studies examining:<\/p>\n<ul>\n<li>Actin-filament organisation<\/li>\n<li>Cytoskeletal remodelling<\/li>\n<li>Cellular polarity<\/li>\n<li>Cell-shape changes<\/li>\n<li>Intracellular transport<\/li>\n<li>migrazione cellulare<\/li>\n<li>Adhesion-complex formation<\/li>\n<li>Mechanical cellular responses<\/li>\n<li>Actin-associated protein interactions<\/li>\n<li>Comparative cytoskeletal models<\/li>\n<\/ul>\n<p>Its compact sequence offers researchers a convenient way to study a specific thymosin beta-4-derived region without using the entire parent protein.<\/p>\n<h2>Peptide Structure Research<\/h2>\n<p>The small and clearly defined structure of TB-500 makes it suitable for peptide chemistry and structure\u2013activity research.<\/p>\n<p>Potential research areas include:<\/p>\n<ul>\n<li>Synthetic heptapeptide characterisation<\/li>\n<li>N-terminal acetylation<\/li>\n<li>Stabilit\u00e0 dei peptidi<\/li>\n<li>Enzymatic degradation<\/li>\n<li>Peptide metabolite identification<\/li>\n<li>Relazioni struttura-attivit\u00e0<\/li>\n<li>Amino-acid sequence analysis<\/li>\n<li>Molecular modelling<\/li>\n<li>Peptide\u2013protein interactions<\/li>\n<li>Comparative fragment research<\/li>\n<\/ul>\n<p>Researchers may compare TB-500 with full-length thymosin beta-4, non-acetylated LKKTETQ or shorter metabolites to examine how molecular modifications affect analytical and cellular behaviour.<\/p>\n<h2>Metabolite Research<\/h2>\n<p>Analytical research has identified several shorter TB-500-related metabolites, including:<\/p>\n<ul>\n<li>Ac-LKKTE<\/li>\n<li>Ac-LKK<\/li>\n<li>Ac-LK<\/li>\n<li>Ac-L<\/li>\n<\/ul>\n<p>These fragments may be studied in relation to:<\/p>\n<ul>\n<li>Peptide degradation<\/li>\n<li>Metabolic stability<\/li>\n<li>Microsomal metabolism<\/li>\n<li>Fragment identification<\/li>\n<li>Analytical detection<\/li>\n<li>Comparative peptide activity<\/li>\n<li>Mass-spectrometry method development<\/li>\n<li>Time-dependent degradation<\/li>\n<li>Reference-standard analysis<\/li>\n<\/ul>\n<h2>Potenziali applicazioni di ricerca<\/h2>\n<p>TB-500 may be relevant for controlled scientific studies involving:<\/p>\n<ul>\n<li>Actin-binding mechanisms<\/li>\n<li>Organizzazione citoscheletrica<\/li>\n<li>migrazione cellulare<\/li>\n<li>adesione cellulare<\/li>\n<li>modelli di cellule endoteliali<\/li>\n<li>Fibroblast models<\/li>\n<li>Vascular signalling<\/li>\n<li>Angiogenesis-associated pathways<\/li>\n<li>Peptide-fragment biology<\/li>\n<li>N-terminal acetylation<\/li>\n<li>Relazioni struttura-attivit\u00e0<\/li>\n<li>Stabilit\u00e0 dei peptidi<\/li>\n<li>Metabolite analysis<\/li>\n<li>Caratterizzazione analitica dei peptidi<\/li>\n<li>Analisi cromatografica<\/li>\n<li>Analisi mediante spettrometria di massa<\/li>\n<li>Comparative thymosin beta-4 research<\/li>\n<\/ul>\n<p>Le concentrazioni esatte, i controlli e le procedure analitiche devono essere stabiliti dal laboratorio qualificato che conduce la ricerca.<\/p>\n<h2>Ricerca analitica<\/h2>\n<p>TB-500 is suitable for professional analytical applications involving:<\/p>\n<ul>\n<li>Cromatografia liquida ad alte prestazioni<\/li>\n<li>Cromatografia liquida-spettrometria di massa<\/li>\n<li>Conferma dell&#039;identit\u00e0 del peptide<\/li>\n<li>Sequence verification<\/li>\n<li>Valutazione della purezza<\/li>\n<li>Test di stabilit\u00e0<\/li>\n<li>Metabolite identification<\/li>\n<li>Profilazione del degrado<\/li>\n<li>Valutazione della solubilit\u00e0<\/li>\n<li>Materiale di riferimento<\/li>\n<li>Sviluppo di metodi analitici<\/li>\n<li>Comparative peptide-fragment analysis<\/li>\n<\/ul>\n<p>Because TB-500 is a short acetylated peptide, analytical procedures should be validated specifically for Ac-LKKTETQ.<\/p>\n<h2>Specifiche del prodotto<\/h2>\n<table>\n<thead>\n<tr>\n<th>Caratteristiche del prodotto<\/th>\n<th>Informazioni<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Nome del prodotto<\/td>\n<td>TB-500<\/td>\n<\/tr>\n<tr>\n<td>Full identification<\/td>\n<td>N-acetylated thymosin beta-4 fragment 17\u201323<\/td>\n<\/tr>\n<tr>\n<td>Sequenza peptidica<\/td>\n<td>Ac-LKKTETQ<\/td>\n<\/tr>\n<tr>\n<td>Sequenza completa<\/td>\n<td>Ac-Leu\u2013Lys\u2013Lys\u2013Thr\u2013Glu\u2013Thr\u2013Gln<\/td>\n<\/tr>\n<tr>\n<td>Categoria di prodotto<\/td>\n<td>Peptide sintetico per la ricerca<\/td>\n<\/tr>\n<tr>\n<td>Tipo di peptide<\/td>\n<td>N-acetylated heptapeptide<\/td>\n<\/tr>\n<tr>\n<td>lunghezza del peptide<\/td>\n<td>Seven amino acids<\/td>\n<\/tr>\n<tr>\n<td>Parent protein<\/td>\n<td>Human thymosin beta-4<\/td>\n<\/tr>\n<tr>\n<td>Aree di ricerca principali<\/td>\n<td>Actin, cytoskeletal and cellular-migration research<\/td>\n<\/tr>\n<tr>\n<td>Modulo<\/td>\n<td>Materiale di ricerca liofilizzato<\/td>\n<\/tr>\n<tr>\n<td>Presentazione<\/td>\n<td>Fiala da ricerca sigillata in modo sicuro<\/td>\n<\/tr>\n<tr>\n<td>Documentazione<\/td>\n<td>Informazioni analitiche specifiche per lotto<\/td>\n<\/tr>\n<tr>\n<td>Confezione<\/td>\n<td>Imballaggio sicuro e discreto<\/td>\n<\/tr>\n<tr>\n<td>Applicazione prevista<\/td>\n<td>Ricerca scientifica, analitica e di laboratorio<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Formato di ricerca liofilizzato<\/h2>\n<p>TB-500 is supplied as a lyophilised research material in a securely sealed vial.<\/p>\n<p>Lyophilisation removes moisture and helps support peptide stability during controlled storage and transportation. Minor differences in physical appearance may occur because of quantity, production conditions and residual moisture.<\/p>\n<p>Product identity, sequence and analytical quality should always be confirmed using the documentation associated with the applicable batch.<\/p>\n<h2>Qualit\u00e0 e trasparenza del prodotto<\/h2>\n<p>Peptides Divas focuses on clear product specifications, careful handling and batch-level traceability.<\/p>\n<p>Le informazioni analitiche disponibili possono includere:<\/p>\n<ul>\n<li>Identificazione del prodotto<\/li>\n<li>Confirmed Ac-LKKTETQ sequence<\/li>\n<li>Numero di lotto<\/li>\n<li>Purezza dichiarata<\/li>\n<li>Analisi HPLC<\/li>\n<li>Dati di spettrometria di massa<\/li>\n<li>Informazioni sui test<\/li>\n<li>Aspetto del prodotto<\/li>\n<li>Consigli per la conservazione<\/li>\n<\/ul>\n<p>This provides researchers with clear and traceable product information for the applicable batch.<\/p>\n<h2>Informazioni di archiviazione<\/h2>\n<p>Store TB-500 in its original sealed packaging according to the conditions stated on the product label and applicable batch documentation.<\/p>\n<p>Protect the research material from:<\/p>\n<ul>\n<li>Luce solare diretta<\/li>\n<li>Calore eccessivo<\/li>\n<li>Umidit\u00e0<\/li>\n<li>Contaminazione<\/li>\n<li>Imballaggio danneggiato<\/li>\n<li>Fluttuazioni ripetute della temperatura<\/li>\n<li>Esposizione non necessaria all&#039;aria<\/li>\n<\/ul>\n<p>Il laboratorio ricevente \u00e8 responsabile della definizione di procedure adeguate di preparazione, manipolazione e conservazione per il proprio specifico protocollo di ricerca.<\/p>\n<h2>Why Choose TB-500?<\/h2>\n<p>TB-500 provides a compact and clearly identified thymosin beta-4 fragment for advanced cellular and analytical research.<\/p>\n<p>Key research advantages include:<\/p>\n<ul>\n<li>Precisely defined Ac-LKKTETQ sequence<\/li>\n<li>Compact seven-amino-acid structure<\/li>\n<li>Relevant for actin-related research<\/li>\n<li>Suitable for cellular-migration studies<\/li>\n<li>Useful for endothelial-cell models<\/li>\n<li>Valuable for peptide-metabolite analysis<\/li>\n<li>Suitable for structure\u2013activity research<\/li>\n<li>Comoda confezione liofilizzata<\/li>\n<li>Informazioni chiare sul prodotto specifiche per lotto<\/li>\n<\/ul>\n<h2>Perch\u00e9 ordinare da Peptides Divas?<\/h2>\n<p>Peptides Divas combines carefully selected research materials with fast, dependable and professional service.<\/p>\n<p>Customers benefit from:<\/p>\n<ul>\n<li>Specifiche del prodotto chiaramente visualizzate<\/li>\n<li>Informazioni analitiche specifiche per lotto<\/li>\n<li>Elaborazione rapida degli ordini<\/li>\n<li>Imballaggio sicuro e discreto<\/li>\n<li>Opzioni di spedizione tracciabili<\/li>\n<li>Attenta protezione della fiala<\/li>\n<li>Assistenza clienti reattiva<\/li>\n<li>Consegna affidabile in Europa<\/li>\n<\/ul>\n<p>Choose TB-500 from Peptides Divas for advanced laboratory research involving actin-related signalling, cellular migration, cytoskeletal organisation and peptide-fragment analysis.<\/p>\n<p>Solo per uso di ricerca di laboratorio. Non destinato all&#039;uso umano o veterinario.<\/p>","protected":false},"excerpt":{"rendered":"<p class=\"isSelectedEnd\">TB-500 is a synthetic N-acetylated heptapeptide corresponding to the 17\u201323 fragment of human thymosin beta-4.<\/p>\n<p class=\"isSelectedEnd\">Its clearly defined Ac-LKKTETQ sequence makes it particularly relevant for advanced laboratory studies involving actin-related cellular processes, cytoskeletal organisation, endothelial-cell behaviour, cellular migration and peptide-fragment analysis.<\/p>\n<p>Supplied as a premium lyophilised research material with clear batch information, secure packaging and fast, trackable 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