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id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Membrana transiga proteino</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Iru al artikolo en alia lingvo. Havebla en 22 lingvo" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-22" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">22 lingvoj</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A8%D8%B1%D9%88%D8%AA%D9%8A%D9%86_%D9%86%D8%A7%D9%82%D9%84_%D8%BA%D8%B4%D8%A7%D8%A6%D9%8A" title="بروتين ناقل غشائي — araba" lang="ar" hreflang="ar" data-title="بروتين ناقل غشائي" data-language-autonym="العربية" data-language-local-name="araba" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Membranski_transportni_protein" title="Membranski transportni protein — bosna" lang="bs" hreflang="bs" data-title="Membranski transportni protein" data-language-autonym="Bosanski" data-language-local-name="bosna" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Prote%C3%AFna_transportadora_de_membrana" title="Proteïna transportadora de membrana — kataluna" lang="ca" hreflang="ca" data-title="Proteïna transportadora de membrana" data-language-autonym="Català" data-language-local-name="kataluna" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Transporter_(Membranprotein)" title="Transporter (Membranprotein) — germana" lang="de" hreflang="de" data-title="Transporter (Membranprotein)" data-language-autonym="Deutsch" data-language-local-name="germana" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Membrane_transport_protein" title="Membrane transport protein — angla" lang="en" hreflang="en" data-title="Membrane transport protein" data-language-autonym="English" data-language-local-name="angla" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Prote%C3%ADna_transportadora_de_membrana" title="Proteína transportadora de membrana — hispana" lang="es" hreflang="es" data-title="Proteína transportadora de membrana" data-language-autonym="Español" data-language-local-name="hispana" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%BE%D8%B1%D9%88%D8%AA%D8%A6%DB%8C%D9%86_%D8%A7%D9%86%D8%AA%D9%82%D8%A7%D9%84_%D8%BA%D8%B4%D8%A7%D8%A1" title="پروتئین انتقال غشاء — persa" lang="fa" hreflang="fa" data-title="پروتئین انتقال غشاء" data-language-autonym="فارسی" data-language-local-name="persa" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Kantaja-aine" title="Kantaja-aine — finna" lang="fi" hreflang="fi" data-title="Kantaja-aine" data-language-autonym="Suomi" data-language-local-name="finna" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Transporteur_membranaire" title="Transporteur membranaire — franca" lang="fr" hreflang="fr" data-title="Transporteur membranaire" data-language-autonym="Français" data-language-local-name="franca" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A0%D7%A9%D7%90_(%D7%97%D7%9C%D7%91%D7%95%D7%9F)" title="נשא (חלבון) — hebrea" lang="he" hreflang="he" data-title="נשא (חלבון)" data-language-autonym="עברית" data-language-local-name="hebrea" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Trasportatore_di_membrana" title="Trasportatore di membrana — itala" lang="it" hreflang="it" data-title="Trasportatore di membrana" data-language-autonym="Italiano" data-language-local-name="itala" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E8%86%9C%E8%BC%B8%E9%80%81%E4%BD%93" title="膜輸送体 — japana" lang="ja" hreflang="ja" data-title="膜輸送体" data-language-autonym="日本語" data-language-local-name="japana" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%A7%89_%EC%88%98%EC%86%A1_%EB%8B%A8%EB%B0%B1%EC%A7%88" title="막 수송 단백질 — korea" lang="ko" hreflang="ko" data-title="막 수송 단백질" data-language-autonym="한국어" data-language-local-name="korea" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Membraninis_perna%C5%A1os_baltymas" title="Membraninis pernašos baltymas — litova" lang="lt" hreflang="lt" data-title="Membraninis pernašos baltymas" data-language-autonym="Lietuvių" data-language-local-name="litova" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9C%D0%B5%D0%BC%D0%B1%D1%80%D0%B0%D0%BD%D1%81%D0%BA%D0%B0_%D1%82%D1%80%D0%B0%D0%BD%D1%81%D0%BF%D0%BE%D1%80%D1%82%D0%BD%D0%B0_%D0%B1%D0%B5%D0%BB%D0%BA%D0%BE%D0%B2%D0%B8%D0%BD%D0%B0" title="Мембранска транспортна белковина — makedona" lang="mk" hreflang="mk" data-title="Мембранска транспортна белковина" data-language-autonym="Македонски" data-language-local-name="makedona" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Protein_pengangkut_membran" title="Protein pengangkut membran — malaja" lang="ms" hreflang="ms" data-title="Protein pengangkut membran" data-language-autonym="Bahasa Melayu" data-language-local-name="malaja" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Przeno%C5%9Bniki_bia%C5%82kowe" title="Przenośniki białkowe — pola" lang="pl" hreflang="pl" data-title="Przenośniki białkowe" data-language-autonym="Polski" data-language-local-name="pola" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Prote%C3%ADna_de_transporte_da_membrana_celular" title="Proteína de transporte da membrana celular — portugala" lang="pt" hreflang="pt" data-title="Proteína de transporte da membrana celular" data-language-autonym="Português" data-language-local-name="portugala" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Membranski_transportni_protein" title="Membranski transportni protein — serbo-Kroata" lang="sh" hreflang="sh" data-title="Membranski transportni protein" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbo-Kroata" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Membranski_transportni_protein" title="Membranski transportni protein — serba" lang="sr" hreflang="sr" data-title="Membranski transportni protein" data-language-autonym="Српски / srpski" data-language-local-name="serba" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AE%B5%E0%AF%8D%E0%AE%B5%E0%AF%81_%E0%AE%95%E0%AE%9F%E0%AE%A4%E0%AF%8D%E0%AE%A4%E0%AE%B2%E0%AF%8D_%E0%AE%AA%E0%AF%81%E0%AE%B0%E0%AE%A4%E0%AE%AE%E0%AF%8D" title="சவ்வு கடத்தல் புரதம் — tamila" lang="ta" hreflang="ta" data-title="சவ்வு கடத்தல் புரதம்" data-language-autonym="தமிழ்" data-language-local-name="tamila" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-zh 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id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div id="mw-fr-revision-details" class="mw-fr-revision-details-dialog" style="display:none;"><div tabindex="0"></div><div class="cdx-dialog cdx-dialog--horizontal-actions"><header class="cdx-dialog__header cdx-dialog__header--default"><div class="cdx-dialog__header__title-group"><h2 class="cdx-dialog__header__title">Page version status</h2><p class="cdx-dialog__header__subtitle">The page has not been checked</p></div><button class="cdx-button cdx-button--action-default cdx-button--weight-quiet
							cdx-button--size-medium cdx-button--icon-only cdx-dialog__header__close-button" aria-label="Close" onclick="document.getElementById("mw-fr-revision-details").style.display = "none";" type="submit"><span class="cdx-icon cdx-icon--medium
							cdx-fr-css-icon--close"></span></button></header><div class="cdx-dialog__body">Estas neniuj versioj de ĉi tiu paĝo, do ĝi eble <b>ne</b> estis <a href="/wiki/Helpo:Markitaj_versioj" title="Helpo:Markitaj versioj">kvalite kontrolita</a>.</div></div><div tabindex="0"></div></div><div class="mw-content-ltr mw-parser-output" lang="eo" dir="ltr"><p><b>Membrana transiga proteino</b>, aŭ simple <b>transigilo</b>, estas membran-<a href="/wiki/Proteino" title="Proteino">proteino</a> kiu movas <a href="/wiki/Jono" title="Jono">jonojn</a> aŭ <a href="/wiki/Molekulo" title="Molekulo">molekulojn</a> trans <a href="/wiki/Biologia_membrano" title="Biologia membrano">biologia membrano</a>. Transigilo povas neaktive faciligi <a href="/wiki/Difuzo" title="Difuzo">difuzon</a> de substancoj trans membrano aŭ aktive transigi ilin.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Oni povas apartigi transigilojn al <i>kanaloj</i> kaj <i>portistoj</i>. Kanalo estas malferma ĉe ambaŭ eniroj samtempe, kaj povas nur faciligi difuzon. Portisto estas malferma ĉe aŭ ena eniro aŭ ekstera eniro, kaj ŝanĝiĝas inter la du statoj; ekzistas portistoj kiuj aktive transigas molekulojn kaj tiuj kiuj faciligas difuzon. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Faciligata_difuzo">Faciligata difuzo</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Membrana_transiga_proteino&veaction=edit&section=1" title="Redakti sekcion: Faciligata difuzo" class="mw-editsection-visualeditor"><span>redakti</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Membrana_transiga_proteino&action=edit&section=1" title="Redakti la fontkodo de la sekcio: Faciligata difuzo"><span>redakti fonton</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>En difuzo, substancoj pasas tra la transigilo laŭ <a href="/wiki/Koncentriteco" title="Koncentriteco">koncentriteca</a> diferenco, moviĝantaj de la flanko kun alta koncentriteco al la malalta-koncentriteca flanko. Tiun metodon plej ofte ĝi uzas por jonoj aŭ polaraj molekuloj, ĉar ili tre malfacile difuzas tra la akvofobia membrano. La difuzo estas pasiva kaj do ne bezonas energion. </p> <div class="mw-heading mw-heading2"><h2 id="Aktiva_transigado">Aktiva transigado</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Membrana_transiga_proteino&veaction=edit&section=2" title="Redakti sekcion: Aktiva transigado" class="mw-editsection-visualeditor"><span>redakti</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Membrana_transiga_proteino&action=edit&section=2" title="Redakti la fontkodo de la sekcio: Aktiva transigado"><span>redakti fonton</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Aktiva transigado povas transporti substancojn kontraŭ la koncentriteca diferenco, movanta ilin de la malalte-koncentrita flanko al la alte-koncentrita flanko. Tiu agado bezonas energion. En <i>unua aktiva transigado</i>, la transigilo uzas energion de <a href="/wiki/Adenozina_trifosfato" title="Adenozina trifosfato">ATF</a> por movi substancojn. <i>En dua aktiva transigado</i> aŭ <i>kuplata transigado</i>, la energio venas de elektrokemia diferenco de aliaj jono/ŝarĝata molekulo; la pasiva difuzo de la ŝarĝata substanco povigas la transigadon de la alia substanco. </p> <div class="mw-heading mw-heading2"><h2 id="Vortdeveno">Vortdeveno</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Membrana_transiga_proteino&veaction=edit&section=3" title="Redakti sekcion: Vortdeveno" class="mw-editsection-visualeditor"><span>redakti</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Membrana_transiga_proteino&action=edit&section=3" title="Redakti la fontkodo de la sekcio: Vortdeveno"><span>redakti fonton</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>"Membrana transiga proteino" kaj "transigilo" estas proponita por ĉi tiu Vikipedia artikolo, devenaj de la angla <i>membrane transport protein</i> kaj <i>transporter</i>. </p> <div class="mw-heading mw-heading2"><h2 id="Fontoj">Fontoj</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Membrana_transiga_proteino&veaction=edit&section=4" title="Redakti sekcion: Fontoj" class="mw-editsection-visualeditor"><span>redakti</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Membrana_transiga_proteino&action=edit&section=4" title="Redakti la fontkodo de la sekcio: Fontoj"><span>redakti fonton</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="reflist references-small" style="padding-right: 6px;"> <ol class="references"> <li id="cite_note-1"><a href="#cite_ref-1">↑</a> <span class="reference-text">Stillwell W. (2016). Membrane Transport. <i>An Introduction to Biological Membranes</i>, pp. 423–451. https://doi.org/10.1016/B978-0-444-63772-7.00019-1</span> </li> </ol></div> <div class="noprint" id="aliaj_projektoj" style="float: right; clear: right; width: 250px; border: 1px solid #aaa; padding: 4px; font-size: 90%; background: #f9f9f9;"> <ul class="noarchive"><li class="commons"><span class="plainlinks"><a class="external text" href="https://commons.wikimedia.org/wiki/Category:Membrane_transport_proteins?uselang=eo">Kategorio Membrana transiga proteino en la <span>Vikimedia Komunejo</span></a> (Multrimedaj datumoj)</span> </li></ul> </div> <div class="noprint" style="clear:both; margin-top:0px; border: 1px solid var(--border-color-base, #a2a9b1); padding: 0px; font-size: 90%; background: var(--background-color-neutral-subtle, #f8f9fa); color:inherit"> <table> <tbody><tr> <td class="navbox-group"><a href="/wiki/Norma_datumaro" title="Norma datumaro">Bibliotekoj</a> </td> <td class="plainlinks hlist" style="font-size: 80%;"> <ul><li><a href="/wiki/Helpo:Bibliotekoj" title="Helpo:Bibliotekoj">PeEnEo</a>: <a class="external text" href="https://eo.wikipedia.org/?curid=800422">800422</a></li></ul> </td></tr></tbody></table> </div></div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Elŝutita el "<a dir="ltr" href="https://eo.wikipedia.org/wiki/Membrana_transiga_proteino">https://eo.wikipedia.org/wiki/Membrana_transiga_proteino</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Speciala%C4%B5o:Kategorioj" title="Specialaĵo:Kategorioj">Kategorioj</a>: <ul><li><a href="/wiki/Kategorio:Proteinoj" title="Kategorio:Proteinoj">Proteinoj</a></li><li><a href="/wiki/Kategorio:Molekula_biologio" title="Kategorio:Molekula biologio">Molekula biologio</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-copyright">La teksto disponeblas laŭ la permesilo <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.eo">Krea Komunaĵo Atribuite-Samkondiĉe 4.0 Neadaptita</a>; eble aldonaj kondiĉoj aplikeblas. 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