- EMDB-4303: Cryo-EM subtomogram average of IFT complex B and inhibited dynein... -
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基本情報
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データベース: EMDB / ID: EMD-4303
タイトル
Cryo-EM subtomogram average of IFT complex B and inhibited dynein-1b in anterograde IFT trains (Chlamydomonas reinhardtii)
マップデータ
Cryo-EM stubtomogram average of IFT complex B and inhibited dynein-1b in anterograde IFT trains (Chlamydomonas reinhardtii)
試料
複合体: Intraflagellar transport complex B and inhibited dynein-1b
機能・相同性
機能・相同性情報
intraciliary transport involved in cilium assembly / deoxyribonuclease inhibitor activity / negative regulation of DNA strand resection involved in replication fork processing / methylated-DNA-[protein]-cysteine S-methyltransferase / methylated-DNA-[protein]-cysteine S-methyltransferase activity / intraciliary retrograde transport / visual behavior / intraciliary transport / dynein light chain binding / regulation of cilium assembly ...intraciliary transport involved in cilium assembly / deoxyribonuclease inhibitor activity / negative regulation of DNA strand resection involved in replication fork processing / methylated-DNA-[protein]-cysteine S-methyltransferase / methylated-DNA-[protein]-cysteine S-methyltransferase activity / intraciliary retrograde transport / visual behavior / intraciliary transport / dynein light chain binding / regulation of cilium assembly / dynein heavy chain binding / ciliary transition zone / motile cilium assembly / Activation of BIM and translocation to mitochondria / negative regulation of phosphorylation / embryonic skeletal system morphogenesis / ciliary tip / Intraflagellar transport / cell projection organization / ciliary plasm / dynein complex / COPI-independent Golgi-to-ER retrograde traffic / determination of left/right symmetry / minus-end-directed microtubule motor activity / dynein light intermediate chain binding / microtubule motor activity / cytoplasmic dynein complex / motile cilium / dynein intermediate chain binding / microtubule-based movement / Macroautophagy / pericentriolar material / ciliary base / enzyme inhibitor activity / tertiary granule membrane / ficolin-1-rich granule membrane / axoneme / cilium assembly / COPI-mediated anterograde transport / Amplification of signal from unattached kinetochores via a MAD2 inhibitory signal / Mitotic Prometaphase / substantia nigra development / EML4 and NUDC in mitotic spindle formation / centriole / Loss of Nlp from mitotic centrosomes / Loss of proteins required for interphase microtubule organization from the centrosome / Recruitment of mitotic centrosome proteins and complexes / MHC class II antigen presentation / Recruitment of NuMA to mitotic centrosomes / Anchoring of the basal body to the plasma membrane / Resolution of Sister Chromatid Cohesion / HSP90 chaperone cycle for steroid hormone receptors (SHR) in the presence of ligand / AURKA Activation by TPX2 / filopodium / RHO GTPases Activate Formins / kinetochore / HCMV Early Events / Aggrephagy / mitotic spindle / Separation of Sister Chromatids / apical part of cell / Regulation of PLK1 Activity at G2/M Transition / site of double-strand break / methylation / nuclear membrane / microtubule / cytoskeleton / nuclear speck / ciliary basal body / nuclear body / cilium / DNA repair / apoptotic process / centrosome / DNA damage response / Neutrophil degranulation / nucleolus / Golgi apparatus / ATP hydrolysis activity / mitochondrion / DNA binding / extracellular space / nucleoplasm / ATP binding / metal ion binding / nucleus / membrane / plasma membrane / cytosol / cytoplasm 類似検索 - 分子機能
Cytoplasmic dynein 2 light intermediate chain 1 / Cytoplasmic dynein 2 intermediate chain 1 / : / Cytoplasmic dynein 2 heavy chain 1, AAA+ ATPase domain / Dynein family light intermediate chain / Dynein light intermediate chain (DLIC) / Dynein light chain roadblock-type 1/2 / Methylguanine DNA methyltransferase, ribonuclease-like domain / 6-O-methylguanine DNA methyltransferase, ribonuclease-like domain / Methylated DNA-protein cysteine methyltransferase domain superfamily ...Cytoplasmic dynein 2 light intermediate chain 1 / Cytoplasmic dynein 2 intermediate chain 1 / : / Cytoplasmic dynein 2 heavy chain 1, AAA+ ATPase domain / Dynein family light intermediate chain / Dynein light intermediate chain (DLIC) / Dynein light chain roadblock-type 1/2 / Methylguanine DNA methyltransferase, ribonuclease-like domain / 6-O-methylguanine DNA methyltransferase, ribonuclease-like domain / Methylated DNA-protein cysteine methyltransferase domain superfamily / Methylated-DNA-[protein]-cysteine S-methyltransferase, active site / Methylated-DNA--protein-cysteine methyltransferase active site. / Methylated-DNA-[protein]-cysteine S-methyltransferase, DNA binding / Methylated DNA-protein cysteine methyltransferase, DNA binding domain / 6-O-methylguanine DNA methyltransferase, DNA binding domain / Dynein light chain, type 1/2, conserved site / Dynein light chain type 1 signature. / : / Dynein light chain, type 1/2 / Dynein light chain type 1 / Dynein light chain type 1 / Dynein light chain superfamily / Roadblock/LAMTOR2 domain / Roadblock/LC7 domain / Roadblock/LC7 domain / Dynein heavy chain, C-terminal domain / Dynein heavy chain, C-terminal domain, barrel region / Dynein heavy chain C-terminal domain / : / Dynein heavy chain, ATPase lid domain / P-loop containing dynein motor region / Dynein heavy chain, tail / Dynein heavy chain, N-terminal region 1 / Dynein heavy chain region D6 P-loop domain / Dynein heavy chain, linker / Dynein heavy chain, AAA module D4 / Dynein heavy chain, coiled coil stalk / Dynein heavy chain / Dynein heavy chain, hydrolytic ATP-binding dynein motor region / Dynein heavy chain, ATP-binding dynein motor region / Dynein heavy chain AAA lid domain / Dynein heavy chain AAA lid domain superfamily / Dynein heavy chain, domain 2, N-terminal / Dynein heavy chain, linker, subdomain 3 / Dynein heavy chain, AAA1 domain, small subdomain / Dynein heavy chain region D6 P-loop domain / Dynein heavy chain, N-terminal region 2 / Hydrolytic ATP binding site of dynein motor region / Microtubule-binding stalk of dynein motor / P-loop containing dynein motor region D4 / ATP-binding dynein motor region / Dynein heavy chain AAA lid domain / WD domain, G-beta repeat / Trp-Asp (WD) repeats circular profile. / WD40 repeats / WD40 repeat / WD40-repeat-containing domain superfamily / Winged helix-like DNA-binding domain superfamily / WD40/YVTN repeat-like-containing domain superfamily / ATPases associated with a variety of cellular activities / AAA+ ATPase domain / P-loop containing nucleoside triphosphate hydrolase 類似検索 - ドメイン・相同性
ジャーナル: Nat Cell Biol / 年: 2018 タイトル: The cryo-EM structure of intraflagellar transport trains reveals how dynein is inactivated to ensure unidirectional anterograde movement in cilia. 著者: Mareike A Jordan / Dennis R Diener / Ludek Stepanek / Gaia Pigino / 要旨: Movement of cargos along microtubules plays key roles in diverse cellular processes, from signalling to mitosis. In cilia, rapid movement of ciliary components along the microtubules to and from the ...Movement of cargos along microtubules plays key roles in diverse cellular processes, from signalling to mitosis. In cilia, rapid movement of ciliary components along the microtubules to and from the assembly site is essential for the assembly and disassembly of the structure itself. This bidirectional transport, known as intraflagellar transport (IFT), is driven by the anterograde motor kinesin-2 and the retrograde motor dynein-1b (dynein-2 in mammals). However, to drive retrograde transport, dynein-1b must first be delivered to the ciliary tip by anterograde IFT. Although, the presence of opposing motors in bidirectional transport processes often leads to periodic stalling and slowing of cargos, IFT is highly processive. Using cryo-electron tomography, we show that a tug-of-war between kinesin-2 and dynein-1b is prevented by loading dynein-1b onto anterograde IFT trains in an autoinhibited form and by positioning it away from the microtubule track to prevent binding. Once at the ciliary tip, dynein-1b must transition into an active form and engage microtubules to power retrograde trains. These findings provide a striking example of how coordinated structural changes mediate the behaviour of complex cellular machinery.