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Ligand zalezhni ionni kanali ce ionni kanali sho vidkrivayutsya pislya zv yazuvannya iz ligandom ligand mozhe buti pozaklitinnim abo vnutrishnoklitinnim ale ne ye ionom yakij transportuyetsya po kanalu 1 Ligand zalezhnij ionnij kanalPrikladom pozaklitinnih ligandiv yaki zdatni sprichiniti vidkrittya ionnih kanaliv ye acetilholin serotonin glutamat g aminomaslyana kislota GAMK glicin tosho Acetilholin zalezhnij kationnij kanal ye klasichnim prikladom ligand zalezhnih ionnih kanaliv Vin skladayetsya iz 5 ti subodinic a a b d g kozhna z yakih maye 4 transmembranni domeni Vnutrishnoklitinnimi ligandami najchastishe ye fosfatni zalishki sho priyednuyutsya do ON grup serinu treoninu chi tirozinu u skladi polipeptidnogo lancyuga molekuli kanalu pid vplivom fermentiv proteyinkinaz u procesi fosforilyuvannya Serin treoninovi proteyinkinazi aktivuyutsya cherez zbilshennya u citozoli vtorinnih poserednikiv mesendzheriv zokrema cAMF cGMF ioniv kalciyu todi yak tirozinovi proteyinkinazi stimulyuyutsya diyeyu pozaklitinnih agentiv napriklad receptor do insulinu abo vnaslidok aktivaciyi inshih signalnih shlyahiv klitini napriklad citozolna tirozinova proteyinkinaza Src Napriklad ligand zalezhnij hlornij kanal CFTR ABCC7 vidkrivayetsya pislya fosforilyuvannya jogo molekuli proteyinkinazoyu A yaka u svoyu chergu aktivuyetsya ciklichnim AMF Fosforilyuvannya regulyatornih komponentiv kanalu takozh kontrolyuye trivalist jogo isnuvannya u vidkritomu stani Vtorinni mesendzheri mozhut sluguvati vnutrishnoklitinnimi ligandami i bez zaluchennya proteyinkinaz Tak bezposerednimi aktivatorami ionnih kanaliv ye ciklichni nukleotidi cAMF i cGMF vidpovidni kanali otrimali nazvu ionnih kanaliv sho vidkrivayutsya diyeyu ciklichnih nukleotidiv cyclic nucleotide gated channels CNGCs ioni kalciyu napriklad kaliyevi kanali sho aktivuyutsya kalciyem KCa kanali calcium activated potassium channels inozitol 1 4 5 trifosfat receptor do inozitolu 1 4 5 trifosfatu roztashovanij u membrani endoplazmatichnogo retikulumu ciklichna ADF riboza rianodinovij receptor roztashovanij na membrani sarkoplazmatichnogo retikulumu a takozh ATF i ADF zokrema ATF zalezhni kaliyevi kanali KATP kanali ATP sensitive potassium channels Zmist 1 Div takozh 2 Literatura 2 1 Knigi 2 2 Zhurnali 3 PrimitkiDiv takozh RedaguvatiNejrohimiya Molekulyarna nejronaukaLiteratura RedaguvatiKnigi Redaguvati Basic Neurochemistry Molecular Cellular and Medical Aspects 8th ed Edited by Scott T Brady George J Siegel et al Academic Press 2012 ISBN 978 0 12 374947 5 Molecular biology of the cell 6th ed Alberts B Johnson A Lewis J Morgan D Raff M C Roberts K Walter P Wilson J H amp Hunt T Garland Science Taylor and Francis Group 2015 From Molecules to Networks An Introduction to Cellular and Molecular Neuroscience John H Byrne Ruth Heidelberger and M Neal Academic Press 2014 ISBN 978 0 12 397179 1 Principles of neural science 6th ed Kandel E R Schwartz J H amp Jessell T M McGraw Hill Health Professions Division 2019 The synaptic organization of the brain Gordon M Shepherd Oxford New York Oxford University Press 2003 ISBN 978 0195159561Zhurnali Redaguvati Journal of Neurochemistry Neurochemistry International Nature Neuropsychopharmacology NeuroPharmacology Molecular Neurobiology Neuron Journal of Neuroscience Nature Neuroscience Nature Reviews Neuroscience Cell Trends in NeurosciencesPrimitki Redaguvati Ostapchenko L I Biologichni membrani ta osnovi vnutrishnoklitinnoyi signalizaciyi Teoretichni aspekti Arhivovano 7 lyutogo 2017 u Wayback Machine L I Ostapchenko T B Sinelnik I V Kompanec K VPC Kiyivskij universitet 2016 639 s ISBN 978 966 439 878 4 nbsp Ce nezavershena stattya pro bilki Vi mozhete dopomogti proyektu vipravivshi abo dopisavshi yiyi Otrimano z https uk wikipedia org w index php title Ligand zalezhni ionni kanali amp oldid 39003332