{"id":784,"date":"2026-09-01T17:35:05","date_gmt":"2026-09-01T17:35:05","guid":{"rendered":"https:\/\/nhdbio.com\/resources\/selank-tkprpgp-sequence-identity-quality-guide\/"},"modified":"2026-09-08T07:30:41","modified_gmt":"2026-09-08T07:30:41","slug":"selank-tkprpgp-sequence-identity-quality-guide","status":"publish","type":"post","link":"https:\/\/nhdbio.com\/es\/selank-tkprpgp-sequence-identity-quality-guide\/","title":{"rendered":"Gu\u00eda de identidad Selank: secuencia TKPRPGP y relaci\u00f3n Tuftsin"},"content":{"rendered":"<p class=\"pim-standfirst wp-block-paragraph\">Selank es el heptap\u00e9ptido Thr-Lys-Pro-Arg-Pro-Gly-Pro. Incorpora la secuencia de tuftsin Thr-Lys-Pro-Arg y agrega Pro-Gly-Pro, pero no es id\u00e9ntica a tuftsin.<\/p><div class=\"wp-block-group pim-key-takeaways\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\"><h2 class=\"wp-block-heading\">Evidencia de un vistazo<\/h2><ul class=\"wp-block-list\"><li>PubChem enumera la secuencia TKPRPGP, la f\u00f3rmula C33H57N11O9 y el peso molecular 751.9 g\/mol.<\/li><li>La sal de acetato es un registro de material separado y no debe tratarse como masa equivalente al Selank libre.<\/li><li>La evidencia humana y la calidad del lote del cat\u00e1logo deben documentarse por separado.<\/li><\/ul><\/div><\/div><figure class=\"wp-block-image size-full pim-article-figure\"><img loading=\"lazy\" decoding=\"async\" width=\"1672\" height=\"941\" src=\"http:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/selank-quality.webp\" alt=\"Banco documental de s\u00edntesis de p\u00e9ptidos y preparaci\u00f3n de muestras.\" class=\"wp-image-768\" srcset=\"https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/selank-quality.webp 1672w, https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/selank-quality-300x169.webp 300w, https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/selank-quality-1024x576.webp 1024w, https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/selank-quality-768x432.webp 768w, https:\/\/nhdbio.com\/wp-content\/uploads\/2026\/09\/selank-quality-1536x864.webp 1536w\" sizes=\"auto, (max-width: 1672px) 100vw, 1672px\" \/><figcaption class=\"wp-element-caption\">Ilustraci\u00f3n editorial generada por AI que ilustra un flujo de trabajo anal\u00edtico. No representa un producto suministrado, un lote liberado, una formulaci\u00f3n aprobada o un resultado de ensayo.<\/figcaption><\/figure><h2 class=\"wp-block-heading\">Registro de identidad<\/h2><p class=\"wp-block-paragraph\">La secuencia rica en prolina puede producir un comportamiento de fragmentaci\u00f3n caracter\u00edstico. El trabajo de identidad debe utilizar una referencia adecuada y documentar la qu\u00edmica terminal y cualquier contrai\u00f3n en lugar de depender \u00fanicamente del nombre corto.<\/p><div class=\"wp-block-group pim-evidence-table\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\"><div class=\"pim-evidence-row\"><strong>Secuencia<\/strong><span>Thr-Lys-Pro-Arg-Pro-Gly-Pro \/ TKPRPGP<\/span><\/div><div class=\"pim-evidence-row\"><strong>F\u00f3rmula y masa<\/strong><span>C33H57N11O9; 751.9g\/mol<\/span><\/div><div class=\"pim-evidence-row\"><strong>PubChem<\/strong><span>CID 11765600<\/span><\/div><div class=\"pim-evidence-row\"><strong>Relaci\u00f3n de dise\u00f1o<\/strong><span>Secuencia de Tuftsin TKPR m\u00e1s extensi\u00f3n PGP<\/span><\/div><div class=\"pim-evidence-row\"><strong>Pruebas b\u00e1sicas<\/strong><span>Secuencia\/masa intacta, cromatograf\u00eda, forma, base de contenido y vinculaci\u00f3n de lotes<\/span><\/div><\/div><\/div><h2 class=\"wp-block-heading\">L\u00edmite anal\u00edtico y de evidencia<\/h2><p class=\"wp-block-paragraph\">El acetato Selank a\u00f1ade contrai\u00f3n y posiblemente agua a la masa tal cual. Informe el contenido equivalente de p\u00e9ptidos por separado de la masa total del material cuando los c\u00e1lculos lo requieran.<\/p><p class=\"wp-block-paragraph\">Las descripciones editoriales deben decir \"investigado en peque\u00f1as comparaciones de trastornos de ansiedad y estudios precl\u00ednicos relacionados con GABA\". No deber\u00edan implicar aprobaci\u00f3n regulatoria o equivalencia con las benzodiazepinas.<\/p><h2 class=\"wp-block-heading\">Regla editorial<\/h2><p class=\"wp-block-paragraph\">Indique el material, forma, modelo o poblaci\u00f3n exactos y punto final respaldados por el registro citado. No convierta la plausibilidad mec\u00e1nica, un resultado en animales, una etiqueta oficial de un medicamento terminado o una prueba anal\u00edtica en una afirmaci\u00f3n sobre un lote de cat\u00e1logo no relacionado.<\/p>","protected":false},"excerpt":{"rendered":"<p>Selank es el heptap\u00e9ptido Thr-Lys-Pro-Arg-Pro-Gly-Pro. Incorpora la secuencia de tuftsin Thr-Lys-Pro-Arg y agrega Pro-Gly-Pro, pero no es id\u00e9ntica a tuftsin.<\/p>","protected":false},"author":1,"featured_media":768,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"pim_family_ids":"360","pim_article_type":"Evidence and material-quality guide","pim_evidence_level":"PubChem identity plus human and mechanistic literature","pim_reviewer":"Site evidence editorial team","pim_reviewed_date":"2026-09-02","pim_editorial_note":"Source-checked on 2026-09-02. Null results, sample size, model\/population limits and regulatory scope are retained. This is not medical advice, a customer case or validation of a catalog lot.","pim_review_status":"reviewed","pim_review_reason":"Primary and official sources, numerical results, null findings, limitations, product-evidence boundary and image disclosure checked for batch 4.","pim_creation_method":"This article discusses the source records listed below, with the study models and limitations stated alongside the findings. AI-assisted drafting and image generation were used. The reference list identifies the records behind this article; it is not an independent peer review or verification of a supplied catalog lot.","pim_sources":"[{\"title\":\"Selank versus medazepam in GAD and neurasthenia\",\"url\":\"https:\/\/pubmed.ncbi.nlm.nih.gov\/18454096\/\",\"note\":\"Small 62-person Russian-language report; PMID 18454096.\"},{\"title\":\"Selank versus phenazepam clinical comparison\",\"url\":\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25176261\/\",\"note\":\"Small 60-person Russian-language report; PMID 25176261.\"},{\"title\":\"Selank and GABA-related gene expression\",\"url\":\"https:\/\/pubmed.ncbi.nlm.nih.gov\/26924987\/\",\"note\":\"Primary rat frontal-cortex study; PMID 26924987.\"},{\"title\":\"PubChem Selank record\",\"url\":\"https:\/\/pubchem.ncbi.nlm.nih.gov\/compound\/Selank\",\"note\":\"Sequence, formula, molecular weight and synonyms; CID 11765600.\"}]","footnotes":""},"categories":[20],"tags":[],"class_list":["post-784","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-evidence-quality-guides"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Selank Identity Guide: TKPRPGP Sequence and Tuftsin Relationship<\/title>\n<meta name=\"description\" content=\"Selank is the heptapeptide Thr-Lys-Pro-Arg-Pro-Gly-Pro. 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