{"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\/cs\/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>Kl\u00ed\u010dov\u00e9 vlastnosti produktu<\/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>Dod\u00e1v\u00e1 se jako lyofilizovan\u00fd v\u00fdzkumn\u00fd materi\u00e1l<\/li>\n<li>Jasn\u00e9 informace o produktu specifick\u00e9 pro danou \u0161ar\u017ei<\/li>\n<li>Bezpe\u010dn\u00e9 a diskr\u00e9tn\u00ed balen\u00ed<\/li>\n<li>Rychl\u00e9 a sledovateln\u00e9 doru\u010den\u00ed do Evropy<\/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>Charakteristika produktu<\/th>\n<th>TB-500<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Typ slou\u010deniny<\/td>\n<td>Synthetic peptide fragment<\/td>\n<\/tr>\n<tr>\n<td>Peptidov\u00e1 sekvence<\/td>\n<td>Ac-LKKTETQ<\/td>\n<\/tr>\n<tr>\n<td>D\u00e9lka peptidu<\/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>Struktur\u00e1ln\u00ed prvek<\/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>Cytoskelet\u00e1ln\u00ed organizace<\/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>Bun\u011b\u010dn\u00e1 migrace<\/li>\n<li>Endothelial-cell movement<\/li>\n<li>Migrace fibroblast\u016f<\/li>\n<li>Cytoskelet\u00e1ln\u00ed p\u0159eskupen\u00ed<\/li>\n<li>Bun\u011b\u010dn\u00e1 adheze<\/li>\n<li>Cell spreading<\/li>\n<li>Actin-dependent movement<\/li>\n<li>Vztahy mezi koncentrac\u00ed a odezvou<\/li>\n<li>Srovn\u00e1vac\u00ed peptidov\u00fd screening<\/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>Cytoskelet\u00e1ln\u00ed organizace<\/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>Migrace bun\u011bk<\/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>Stabilita peptid\u016f<\/li>\n<li>Enzymatic degradation<\/li>\n<li>Peptide metabolite identification<\/li>\n<li>Vztahy mezi strukturou a aktivitou<\/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>Potenci\u00e1ln\u00ed v\u00fdzkumn\u00e9 aplikace<\/h2>\n<p>TB-500 may be relevant for controlled scientific studies involving:<\/p>\n<ul>\n<li>Actin-binding mechanisms<\/li>\n<li>Cytoskelet\u00e1ln\u00ed organizace<\/li>\n<li>Bun\u011b\u010dn\u00e1 migrace<\/li>\n<li>Bun\u011b\u010dn\u00e1 adheze<\/li>\n<li>Modely endoteli\u00e1ln\u00edch bun\u011bk<\/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>Vztahy mezi strukturou a aktivitou<\/li>\n<li>Stabilita peptid\u016f<\/li>\n<li>Metabolite analysis<\/li>\n<li>Analytick\u00e1 charakterizace peptid\u016f<\/li>\n<li>Chromatografick\u00e1 anal\u00fdza<\/li>\n<li>Anal\u00fdza hmotnostn\u00ed spektrometri\u00ed<\/li>\n<li>Comparative thymosin beta-4 research<\/li>\n<\/ul>\n<p>P\u0159esn\u00e9 koncentrace, kontroly a analytick\u00e9 postupy by m\u011bla stanovit kvalifikovan\u00e1 laborato\u0159 prov\u00e1d\u011bj\u00edc\u00ed v\u00fdzkum.<\/p>\n<h2>Analytick\u00fd v\u00fdzkum<\/h2>\n<p>TB-500 is suitable for professional analytical applications involving:<\/p>\n<ul>\n<li>Vysoce v\u00fdkonn\u00e1 kapalinov\u00e1 chromatografie<\/li>\n<li>Kapalinov\u00e1 chromatografie s hmotnostn\u00ed spektrometri\u00ed<\/li>\n<li>Potvrzen\u00ed identity peptidu<\/li>\n<li>Sequence verification<\/li>\n<li>Posouzen\u00ed \u010distoty<\/li>\n<li>Testov\u00e1n\u00ed stability<\/li>\n<li>Metabolite identification<\/li>\n<li>Profilov\u00e1n\u00ed degradace<\/li>\n<li>Posouzen\u00ed rozpustnosti<\/li>\n<li>Porovn\u00e1n\u00ed referen\u010dn\u00edch materi\u00e1l\u016f<\/li>\n<li>V\u00fdvoj analytick\u00fdch metod<\/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>Specifikace produktu<\/h2>\n<table>\n<thead>\n<tr>\n<th>Charakteristika produktu<\/th>\n<th>Informace<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>N\u00e1zev produktu<\/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>Peptidov\u00e1 sekvence<\/td>\n<td>Ac-LKKTETQ<\/td>\n<\/tr>\n<tr>\n<td>Cel\u00e1 sekvence<\/td>\n<td>Ac-Leu\u2013Lys\u2013Lys\u2013Thr\u2013Glu\u2013Thr\u2013Gln<\/td>\n<\/tr>\n<tr>\n<td>Kategorie produktu<\/td>\n<td>Syntetick\u00fd v\u00fdzkumn\u00fd peptid<\/td>\n<\/tr>\n<tr>\n<td>Typ peptidu<\/td>\n<td>N-acetylated heptapeptide<\/td>\n<\/tr>\n<tr>\n<td>D\u00e9lka peptidu<\/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>Prim\u00e1rn\u00ed oblasti v\u00fdzkumu<\/td>\n<td>Actin, cytoskeletal and cellular-migration research<\/td>\n<\/tr>\n<tr>\n<td>Formul\u00e1\u0159<\/td>\n<td>Lyofilizovan\u00fd v\u00fdzkumn\u00fd materi\u00e1l<\/td>\n<\/tr>\n<tr>\n<td>Prezentace<\/td>\n<td>Bezpe\u010dn\u011b uzav\u0159en\u00e1 v\u00fdzkumn\u00e1 lahvi\u010dka<\/td>\n<\/tr>\n<tr>\n<td>Dokumentace<\/td>\n<td>Analytick\u00e9 informace specifick\u00e9 pro danou \u0161ar\u017ei<\/td>\n<\/tr>\n<tr>\n<td>Obal<\/td>\n<td>Bezpe\u010dn\u00e9 a diskr\u00e9tn\u00ed balen\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Zam\u00fd\u0161len\u00e9 pou\u017eit\u00ed<\/td>\n<td>V\u011bdeck\u00fd, analytick\u00fd a laboratorn\u00ed v\u00fdzkum<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Lyofilizovan\u00fd v\u00fdzkumn\u00fd form\u00e1t<\/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>Kvalita a transparentnost produkt\u016f<\/h2>\n<p>Peptides Divas focuses on clear product specifications, careful handling and batch-level traceability.<\/p>\n<p>Dostupn\u00e9 analytick\u00e9 informace mohou zahrnovat:<\/p>\n<ul>\n<li>Identifikace produktu<\/li>\n<li>Confirmed Ac-LKKTETQ sequence<\/li>\n<li>\u010c\u00edslo \u0161ar\u017ee nebo \u0161ar\u017ee<\/li>\n<li>Uv\u00e1d\u011bn\u00e1 \u010distota<\/li>\n<li>HPLC anal\u00fdza<\/li>\n<li>Data hmotnostn\u00ed spektrometrie<\/li>\n<li>Informace o testov\u00e1n\u00ed<\/li>\n<li>Vzhled produktu<\/li>\n<li>Doporu\u010den\u00ed pro skladov\u00e1n\u00ed<\/li>\n<\/ul>\n<p>This provides researchers with clear and traceable product information for the applicable batch.<\/p>\n<h2>Informace o \u00falo\u017ei\u0161ti<\/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>P\u0159\u00edm\u00e9 slune\u010dn\u00ed sv\u011btlo<\/li>\n<li>Nadm\u011brn\u00e9 teplo<\/li>\n<li>Vlhkost<\/li>\n<li>Kontaminace<\/li>\n<li>Po\u0161kozen\u00fd obal<\/li>\n<li>Opakovan\u00e9 teplotn\u00ed v\u00fdkyvy<\/li>\n<li>Zbyte\u010dn\u00e9 vystaven\u00ed vzduchu<\/li>\n<\/ul>\n<p>P\u0159ij\u00edmaj\u00edc\u00ed laborato\u0159 je zodpov\u011bdn\u00e1 za stanoven\u00ed vhodn\u00fdch postup\u016f p\u0159\u00edpravy, manipulace a skladov\u00e1n\u00ed pro sv\u016fj specifick\u00fd v\u00fdzkumn\u00fd protokol.<\/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>Pohodln\u00e1 lyofilizovan\u00e1 prezentace<\/li>\n<li>Jasn\u00e9 informace o produktu specifick\u00e9 pro danou \u0161ar\u017ei<\/li>\n<\/ul>\n<h2>Pro\u010d objedn\u00e1vat od 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>Jasn\u011b zobrazen\u00e9 specifikace produktu<\/li>\n<li>Analytick\u00e9 informace specifick\u00e9 pro danou \u0161ar\u017ei<\/li>\n<li>Rychl\u00e9 zpracov\u00e1n\u00ed objedn\u00e1vky<\/li>\n<li>Bezpe\u010dn\u00e9 a diskr\u00e9tn\u00ed balen\u00ed<\/li>\n<li>Mo\u017enosti sledovateln\u00e9 dopravy<\/li>\n<li>Pe\u010dliv\u00e1 ochrana lahvi\u010dky<\/li>\n<li>Responzivn\u00ed z\u00e1kaznick\u00e1 podpora<\/li>\n<li>Spolehliv\u00e9 evropsk\u00e9 doru\u010den\u00ed<\/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>Pouze pro laboratorn\u00ed v\u00fdzkumn\u00e9 pou\u017eit\u00ed. Nen\u00ed ur\u010deno pro hum\u00e1nn\u00ed ani veterin\u00e1rn\u00ed pou\u017eit\u00ed.<\/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>Dod\u00e1v\u00e1 se jako pr\u00e9miov\u00fd lyofilizovan\u00fd v\u00fdzkumn\u00fd materi\u00e1l s jasn\u00fdmi informacemi o \u0161ar\u017ei, bezpe\u010dn\u00fdm balen\u00edm a rychl\u00fdm a sledovateln\u00fdm doru\u010den\u00edm.<\/p>","protected":false},"featured_media":145,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"nf_dc_page":"","om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_brand":[],"product_cat":[34],"product_tag":[46],"class_list":["post-151","product","type-product","status-publish","has-post-thumbnail","product_cat-recovery-repair","product_tag-10-mg","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>TB-500 Research Peptide | Peptides Divas<\/title>\n<meta name=\"description\" content=\"Explore TB-500, an Ac-LKKTETQ thymosin beta-4 fragment for advanced laboratory research involving 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