{"title":"Karyopherin","description":"\u003ch2 class=\"highlited\"\u003e\u003cspan\u003eAbout KPN \/ Karyopherin:\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003eKaryopherins are proteins that help eukaryotic cells transport molecules between their cytoplasm and nucleus. The karyoplasm is the fluid that surrounds the nucleus (or nucleoplasm). In most cases, karyopherin-mediated transport occurs through nuclear pores, which serve as a portal into and out of the nucleus. To pass through the nuclear pore, most proteins need karyopherins.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKaryopherins Function\u003c\/strong\u003e\u003cbr\u003eKaryopherins may act as imports (helping proteins enter the nucleus) or exports (helping proteins leave the nucleus) (i.e., helping proteins get out of the nucleus). The transporter classification database belongs to the nuclear pore complex family (TCDB). The Ran gradient provides energy for transportation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKPN Structure\u003c\/strong\u003e\u003cbr\u003eSeveral karyopherins are sequestered in stress granules, cytoplasmic aggregates of ribonucleoprotein complexes, as they avoid shuttling between the nucleus and the cytoplasm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKaryopherins Mechanism\u003c\/strong\u003e\u003cbr\u003eImportin beta is a form of karyopherin that helps cargo proteins get into the nucleus. First, it binds importin alpha, a form of karyopherin that binds the cargo protein in the cytoplasm, before the cargo protein is imported into the nucleus through the nuclear pore driven by energy from the Ran gradient. The cargo separates from the karyopherins once within the nucleus.\u003cbr\u003eWithout the aid of the importin alpha adapter protein, Importin beta can transport proteins into the nucleus.\u003cbr\u003eSmall RNAs are exported using Ran-GTP for directionality by karyopherin transport receptors, but mRNA is exported using a different mechanism that involves various quality controls. mRNA is exported in the form of very large mRNP complexes, which begin to form during RNA processing when the transcription export (TREX) complex binds to the mRNA. These mRNP complexes dock on the pore's inner surface, where they are subjected to quality control by the exosome and other surveillance activities.\u003c\/p\u003e","products":[{"product_id":"kpna2-human","title":"KPNA2 Human","description":"\u003cp\u003eKaryopherin Alpha 2 Human Recombinant\u003c\/p\u003e\n\n\u003cdiv class=\"synonyms_hide\"\u003e\n  \u003cp\u003eKaryopherin subunit alpha 2 (RAG cohort 1 importin alpha 1), RCH1, QIP2, IPOA1, SRP1 alpha, RAG cohort protein 1, importin alpha 1, importin subunit alpha-2, importin-alpha-P1, pendulin.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"prospecbio","offers":[{"title":"2µg","offer_id":43174813499476,"sku":"PRO-1032","price":60.0,"currency_code":"USD","in_stock":true},{"title":"10µg","offer_id":43174813532244,"sku":"PRO-1032","price":145.0,"currency_code":"USD","in_stock":true},{"title":"1mg","offer_id":43174813565012,"sku":"PRO-1032","price":5200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/3219\/0804\/files\/Prospecbio-kpna2-human-PRO-1032.png?v=1776700726"},{"product_id":"kpnb1-human","title":"KPNB1 Human","description":"\u003cp\u003eKaryopherin Beta 1 Human Recombinant\u003c\/p\u003e\n\n\u003cdiv class=\"synonyms_hide\"\u003e\n  \u003cp\u003eImportin subunit beta-1, Importin-90, Karyopherin subunit beta-1, Nuclear factor p97, Pore targeting complex 97kDa subunit, PTAC97, KPNB1, NTF97.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"prospecbio","offers":[{"title":"2µg","offer_id":43174814154836,"sku":"PRO-1001","price":60.0,"currency_code":"USD","in_stock":true},{"title":"10µg","offer_id":43174814187604,"sku":"PRO-1001","price":145.0,"currency_code":"USD","in_stock":true},{"title":"1mg","offer_id":43174814220372,"sku":"PRO-1001","price":5200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/3219\/0804\/files\/Prospecbio-kpnb1-human-PRO-1001.png?v=1776700731"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/3219\/0804\/collections\/Image_6adfc7c6-ead1-4009-a22c-46adc2f4b7c4.png?v=1700647588","url":"https:\/\/prospecbio.com\/collections\/karyopherin.oembed","provider":"prospecbio","version":"1.0","type":"link"}