{"id":7746,"date":"2026-02-20T00:02:48","date_gmt":"2026-02-20T08:02:48","guid":{"rendered":"https:\/\/pandapeptides.com\/product\/hgh-human-growth-hormone\/"},"modified":"2026-04-10T07:12:41","modified_gmt":"2026-04-10T14:12:41","slug":"hgh-191aa","status":"publish","type":"product","link":"https:\/\/pandapeptides.com\/es\/producto\/hgh-191aa\/","title":{"rendered":"HGH 191AA 15IU"},"content":{"rendered":"<div style=\"background:#18181b;border-radius:10px;padding:20px 24px;margin-bottom:30px\">\n<p style=\"color:#a1a1aa;font-size:15px;line-height:1.7;margin:0\"><strong style=\"color:#fafafa\">HGH 191AA<\/strong> is a recombinant 191-amino acid polypeptide. CAS 12629-01-5. Molecular weight approximately 22,124 Da. Supplied as a lyophilized powder, \u226595% purity. <em style=\"color:#71717a;font-size:13px\">Research compound \u2014 for laboratory use only.<\/em><\/p>\n<\/div>\n<h2>HGH 191AA 15IU<\/h2>\n<p><strong>Recombinant Polypeptide \u2014 For Research Use Only<\/strong><\/p>\n<h3>Product Details<\/h3>\n<ul>\n<li><strong>Compound:<\/strong> HGH 191AA<\/li>\n<li><strong>CAS:<\/strong> 12629-01-5<\/li>\n<li><strong>Molecular Weight:<\/strong> ~22,124 Da<\/li>\n<li><strong>Sequence Length:<\/strong> 191 amino acids<\/li>\n<li><strong>Pureza:<\/strong> \u226595% (Janoshik verified)<\/li>\n<li><strong>Form:<\/strong> Lyophilized powder<\/li>\n<li><strong>Size:<\/strong> 15IU per vial<\/li>\n<li><strong>Storage:<\/strong> -20\u00b0C, protect from light<\/li>\n<\/ul>\n<h3>Structural Characterization<\/h3>\n<p>HGH 191AA (somatotropin, somatropin) is a single-chain recombinant polypeptide comprising all 191 amino acid residues in the native somatotropin sequence. The tertiary structure adopts a characteristic <strong>four-helix bundle<\/strong> topology stabilized by two intramolecular disulfide bridges (Cys-53\u2194Cys-165, Cys-182\u2194Cys-189).<\/p>\n<ul>\n<li><strong>Molecular Formula:<\/strong> C\u2089\u2089\u2080H\u2081\u2085\u2082\u2089N\u2082\u2086\u2083O\u2082\u2089\u2089S\u2087<\/li>\n<li><strong>Isoelectric Point (pI):<\/strong> ~5.27<\/li>\n<li><strong>UV Absorption:<\/strong> \u03bbmax 280 nm (Trp\/Tyr chromophores)<\/li>\n<li><strong>Extinction Coefficient:<\/strong> ~18,890 M\u207b\u00b9cm\u207b\u00b9 at 280 nm<\/li>\n<\/ul>\n<h3>Physicochemical Properties<\/h3>\n<ul>\n<li><strong>Appearance:<\/strong> White to off-white lyophilized cake<\/li>\n<li><strong>Solubility:<\/strong> Freely soluble in aqueous buffers (pH 7.0\u20138.0); limited solubility below pH 4.5<\/li>\n<li><strong>Thermal Stability:<\/strong> Lyophilized form stable at -20\u00b0C (\u226524 months); aliquots stable at 2\u20138\u00b0C<\/li>\n<li><strong>Electrophoresis:<\/strong> Single band ~22 kDa under reducing SDS-PAGE<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Recombinant 191-amino acid polypeptide \u00b7 \u226595% purity \u00b7 Janoshik verified \u00b7 Lyophilized powder<\/p>","protected":false},"featured_media":8064,"template":"","meta":[],"product_brand":[],"product_cat":[189],"product_tag":[],"class_list":{"0":"post-7746","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-growth-hormone-peptides","8":"first","9":"instock","10":"sale","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pandapeptides.com\/es\/wp-json\/wp\/v2\/product\/7746","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pandapeptides.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pandapeptides.com\/es\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pandapeptides.com\/es\/wp-json\/wp\/v2\/media\/8064"}],"wp:attachment":[{"href":"https:\/\/pandapeptides.com\/es\/wp-json\/wp\/v2\/media?parent=7746"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/pandapeptides.com\/es\/wp-json\/wp\/v2\/product_brand?post=7746"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pandapeptides.com\/es\/wp-json\/wp\/v2\/product_cat?post=7746"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pandapeptides.com\/es\/wp-json\/wp\/v2\/product_tag?post=7746"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}