- EMDB-24664: Composite cryo-EM density map of the 48-nm repeat doublet microtu... -
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Basic information
Entry
Database: EMDB / ID: EMD-24664
Title
Composite cryo-EM density map of the 48-nm repeat doublet microtubule from bovine tracheal cilia
Map data
Sample
Complex: Doublet microtubule
Protein or peptide: x 36 types
Ligand: x 3 types
Keywords
cilia / microtubule / dynein / motility / STRUCTURAL PROTEIN
Function / homology
Function and homology information
outer dynein arm docking complex / protein localization to motile cilium / regulation of cilium movement / outer acrosomal membrane / epithelial cilium movement involved in determination of left/right asymmetry / regulation of brood size / establishment of left/right asymmetry / 9+0 motile cilium / mucociliary clearance / sperm flagellum assembly ...outer dynein arm docking complex / protein localization to motile cilium / regulation of cilium movement / outer acrosomal membrane / epithelial cilium movement involved in determination of left/right asymmetry / regulation of brood size / establishment of left/right asymmetry / 9+0 motile cilium / mucociliary clearance / sperm flagellum assembly / manchette assembly / axonemal B tubule inner sheath / axonemal A tubule inner sheath / regulation of flagellated sperm motility / protein polyglutamylation / regulation of calcineurin-NFAT signaling cascade / Microtubule-dependent trafficking of connexons from Golgi to the plasma membrane / Cilium Assembly / Intraflagellar transport / : / Sealing of the nuclear envelope (NE) by ESCRT-III / Kinesins / positive regulation of feeding behavior / Resolution of Sister Chromatid Cohesion / Mitotic Prometaphase / EML4 and NUDC in mitotic spindle formation / outer dynein arm assembly / COPI-dependent Golgi-to-ER retrograde traffic / COPI-independent Golgi-to-ER retrograde traffic / COPI-mediated anterograde transport / RHO GTPases activate IQGAPs / inner dynein arm assembly / cilium-dependent cell motility / cerebrospinal fluid circulation / regulation of cilium beat frequency involved in ciliary motility / RHO GTPases Activate Formins / 9+2 motile cilium / cilium movement involved in cell motility / MHC class II antigen presentation / regulation of store-operated calcium entry / HSP90 chaperone cycle for steroid hormone receptors (SHR) in the presence of ligand / acrosomal membrane / regulation of cilium assembly / axoneme assembly / cilium movement / Aggrephagy / The role of GTSE1 in G2/M progression after G2 checkpoint / calcium ion sensor activity / Separation of Sister Chromatids / Loss of Nlp from mitotic centrosomes / Recruitment of mitotic centrosome proteins and complexes / Loss of proteins required for interphase microtubule organization from the centrosome / Anchoring of the basal body to the plasma membrane / AURKA Activation by TPX2 / axonemal microtubule / Recruitment of NuMA to mitotic centrosomes / cilium organization / gamma-tubulin ring complex / ciliary rootlet / manchette / Regulation of PLK1 Activity at G2/M Transition / Hedgehog 'off' state / flagellated sperm motility / 3'-5'-DNA exonuclease activity / UTP biosynthetic process / CTP biosynthetic process / motile cilium / determination of left/right symmetry / DNA catabolic process / Neutrophil degranulation / nucleoside diphosphate kinase activity / positive regulation of cell motility / GTP biosynthetic process / Hydrolases; Acting on ester bonds; Exodeoxyribonucleases producing 5'-phosphomonoesters / AMP binding / regulation of neuron projection development / ciliary transition zone / cerebral cortex cell migration / mitotic cytokinesis / microtubule organizing center / cellular response to UV-C / regulation of cell division / cilium assembly / spermatid development / regulation of signal transduction / axoneme / glial cell projection / single fertilization / alpha-tubulin binding / sperm flagellum / beta-tubulin binding / intercellular bridge / lung development / Hsp70 protein binding / ciliary tip / acrosomal vesicle / mitotic spindle organization / meiotic cell cycle / centriole / Hsp90 protein binding Similarity search - Function
Outer dynein arm-docking complex subunit 4 / Tektin bundle interacting protein 1 / Tektin bundle interacting protein 1 / Outer dynein arm-docking complex subunit 3 / Sperm-associated antigen 8 / Cilia- and flagella-associated protein 95 / NDPK7, first NDPk domain / Cilia- and flagella-associated protein 107 / : / Protein CFAP95 ...Outer dynein arm-docking complex subunit 4 / Tektin bundle interacting protein 1 / Tektin bundle interacting protein 1 / Outer dynein arm-docking complex subunit 3 / Sperm-associated antigen 8 / Cilia- and flagella-associated protein 95 / NDPK7, first NDPk domain / Cilia- and flagella-associated protein 107 / : / Protein CFAP95 / Cilia- and flagella-associated protein 143 / Cilia and flagella associated protein 107 / : / Echinoderm microtubule-associated protein first beta-propeller / Tektin / Cilia- and flagella-associated protein 276 / : / : / : / Tektin family / Protein of unknown function (DUF3695) / ODAD1 central coiled coil region / Uncharacterised protein FAM166/UPF0605 / Protein Flattop / Ciliary microtubule inner protein 2B-like / Flattop / Nucleoside diphosphate kinase 7 / Piercer of microtubule wall 1/2 / Piercer of microtubule wall 1/2 / Cilia- and flagella-associated protein 141 / Cilia- and flagella-associated protein 141 / Cilia- and flagella-associated protein 161-like domain / : / EFHB C-terminal EF-hand domain / : / : / Nucleoside diphosphate kinase 7 N-terminal PH domain / Meiosis-specific nuclear structural protein 1 / Cilia- and flagella-associated protein 45 / NDPK7, second NDPk domain / Cilia- and flagella- associated protein 210 / CFAP53/TCHP / Trichohyalin-plectin-homology domain / Trichohyalin-plectin-homology domain / RIB43A / RIB43A / DM10 domain / EF-hand domain-containing protein EFHC1/EFHC2/EFHB / DM10 domain / DM10 domain profile. / Domains in hypothetical proteins in Drosophila, C. elegans and mammals. Occurs singly in some nucleoside diphosphate kinases. / Enkurin domain / : / Calmodulin-binding / Enkurin domain profile. / : / CFA20 domain / Cilia- and flagella-associated protein 20/CFAP20DC / CFA20 domain / Recoverin family / Parkin co-regulated protein / Parkin co-regulated protein / EF hand / Nucleoside diphosphate kinase / Nucleoside diphosphate kinase (NDPK)-like domain profile. / Nucleoside diphosphate kinase-like domain / Nucleoside diphosphate kinase / NDK / Nucleoside diphosphate kinase-like domain superfamily / Armadillo/plakoglobin ARM repeat profile. / Armadillo/beta-catenin-like repeat / Armadillo/beta-catenin-like repeats / Armadillo / Tetratricopeptide repeat / TPR repeat region circular profile. / Alpha tubulin / Tubulin-beta mRNA autoregulation signal. / Beta tubulin, autoregulation binding site / Beta tubulin / TPR repeat profile. / Tubulin / Tubulin, C-terminal / Tubulin C-terminal domain / Tubulin, conserved site / Tubulin subunits alpha, beta, and gamma signature. / Tetratricopeptide repeats / Tubulin/FtsZ family, C-terminal domain / Tubulin/FtsZ-like, C-terminal domain / Tubulin/FtsZ, C-terminal / Tubulin/FtsZ, 2-layer sandwich domain / Tubulin/FtsZ family, GTPase domain / Tubulin/FtsZ family, GTPase domain / Tubulin/FtsZ, GTPase domain / Tubulin/FtsZ, GTPase domain superfamily / Tetratricopeptide repeat / EF-hand domain pair / EF-hand, calcium binding motif / EF-Hand 1, calcium-binding site / EF-hand calcium-binding domain. / EF-hand calcium-binding domain profile. Similarity search - Domain/homology
Piercer of microtubule wall 2 protein / EF-hand domain-containing family member C2 / Outer dynein arm-docking complex subunit 4 / Parkin coregulated gene protein / Tektin-3 / Outer dynein arm-docking complex subunit 3 / Enkurin / Outer dynein arm-docking complex subunit 2 / Cilia- and flagella-associated protein 276 / Cilia- and flagella- associated protein 210 ...Piercer of microtubule wall 2 protein / EF-hand domain-containing family member C2 / Outer dynein arm-docking complex subunit 4 / Parkin coregulated gene protein / Tektin-3 / Outer dynein arm-docking complex subunit 3 / Enkurin / Outer dynein arm-docking complex subunit 2 / Cilia- and flagella-associated protein 276 / Cilia- and flagella- associated protein 210 / Cilia- and flagella-associated protein 52 / EF-hand domain-containing protein 1 / Sperm-associated antigen 8 / Meiosis-specific nuclear structural protein 1 / EF-hand domain-containing family member B / Outer dynein arm-docking complex subunit 1 / Cilia- and flagella-associated protein 53 / Cilia- and flagella-associated protein 161 / Tubulin alpha-1D chain / Tektin bundle-interacting protein 1 / Tektin-2 / Cilia- and flagella-associated protein 107 / Tektin-4 / Ciliary microtubule inner protein 2B / Tektin-1 / Calaxin / Cilia- and flagella-associated protein 141 / Cilia- and flagella-associated protein 95 / RIB43A-like with coiled-coils protein 2 / Cilia- and flagella-associated protein 45 / Piercer of microtubule wall 1 protein / Tubulin beta-4B chain / Protein Flattop / Nucleoside diphosphate kinase 7 / Cilia- and flagella-associated protein 20 Similarity search - Component
Biological species
Bos taurus (domestic cattle)
Method
single particle reconstruction / cryo EM / Resolution: 3.4 Å
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)
United States
Citation
Journal: Cell / Year: 2021 Title: De novo identification of mammalian ciliary motility proteins using cryo-EM. Authors: Miao Gui / Hannah Farley / Priyanka Anujan / Jacob R Anderson / Dale W Maxwell / Jonathan B Whitchurch / J Josephine Botsch / Tao Qiu / Shimi Meleppattu / Sandeep K Singh / Qi Zhang / James ...Authors: Miao Gui / Hannah Farley / Priyanka Anujan / Jacob R Anderson / Dale W Maxwell / Jonathan B Whitchurch / J Josephine Botsch / Tao Qiu / Shimi Meleppattu / Sandeep K Singh / Qi Zhang / James Thompson / Jane S Lucas / Colin D Bingle / Dominic P Norris / Sudipto Roy / Alan Brown / Abstract: Dynein-decorated doublet microtubules (DMTs) are critical components of the oscillatory molecular machine of cilia, the axoneme, and have luminal surfaces patterned periodically by microtubule inner ...Dynein-decorated doublet microtubules (DMTs) are critical components of the oscillatory molecular machine of cilia, the axoneme, and have luminal surfaces patterned periodically by microtubule inner proteins (MIPs). Here we present an atomic model of the 48-nm repeat of a mammalian DMT, derived from a cryoelectron microscopy (cryo-EM) map of the complex isolated from bovine respiratory cilia. The structure uncovers principles of doublet microtubule organization and features specific to vertebrate cilia, including previously unknown MIPs, a luminal bundle of tektin filaments, and a pentameric dynein-docking complex. We identify a mechanism for bridging 48- to 24-nm periodicity across the microtubule wall and show that loss of the proteins involved causes defective ciliary motility and laterality abnormalities in zebrafish and mice. Our structure identifies candidate genes for diagnosis of ciliopathies and provides a framework to understand their functions in driving ciliary motility.
History
Deposition
Aug 10, 2021
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Header (metadata) release
Oct 27, 2021
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Map release
Oct 27, 2021
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Update
Jun 5, 2024
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Current status
Jun 5, 2024
Processing site: RCSB / Status: Released
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Structure visualization
Movie
Surface view with section colored by density value
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