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Yorodumi- EMDB-31754: Cryo-EM structure of Patched1 (V1084A mutant) in lipid nanodisc, ... -
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Basic information
| Entry | Database: EMDB / ID: EMD-31754 | |||||||||||||||
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| Title | Cryo-EM structure of Patched1 (V1084A mutant) in lipid nanodisc, 3.64 angstrom (reprocessed with the dataset of 7dzp) | |||||||||||||||
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Keywords | Caveolae / Hedgehog signaling / Lipid nanodisc / Patched / Ptc1 dimer / Thermostable mutant. / MEMBRANE PROTEIN | |||||||||||||||
| Function / homology | Function and homology informationcell differentiation involved in kidney development / response to chlorate / cell proliferation involved in metanephros development / hindlimb morphogenesis / Ligand-receptor interactions / epidermal cell fate specification / Activation of SMO / neural plate axis specification / neural tube patterning / hedgehog receptor activity ...cell differentiation involved in kidney development / response to chlorate / cell proliferation involved in metanephros development / hindlimb morphogenesis / Ligand-receptor interactions / epidermal cell fate specification / Activation of SMO / neural plate axis specification / neural tube patterning / hedgehog receptor activity / spinal cord motor neuron differentiation / neural tube formation / smoothened binding / hedgehog family protein binding / negative regulation of multicellular organism growth / limb morphogenesis / keratinocyte proliferation / Hedgehog 'on' state / mammary gland duct morphogenesis / mammary gland epithelial cell differentiation / pharyngeal system development / somite development / prostate gland development / negative regulation of cell division / Hedgehog 'off' state / patched binding / smooth muscle tissue development / pattern specification process / cell fate determination / cellular response to cholesterol / embryonic limb morphogenesis / mammary gland development / dorsal/ventral pattern formation / commissural neuron axon guidance / metanephric collecting duct development / response to alkaloid / branching involved in ureteric bud morphogenesis / regulation of growth / dorsal/ventral neural tube patterning / spermatid development / positive regulation of epidermal cell differentiation / cholesterol binding / epidermis development / dendritic growth cone / heart morphogenesis / embryonic organ development / positive regulation of cholesterol efflux / response to retinoic acid / response to mechanical stimulus / negative regulation of osteoblast differentiation / neural tube closure / axonal growth cone / animal organ morphogenesis / liver regeneration / regulation of mitotic cell cycle / cyclin binding / protein localization to plasma membrane / negative regulation of smoothened signaling pathway / brain development / in utero embryonic development / protein processing / negative regulation of epithelial cell proliferation / caveola / apical part of cell / glucose homeostasis / response to estradiol / regulation of protein localization / regulation of cell population proliferation / heparin binding / midbody / cilium / postsynaptic membrane / response to xenobiotic stimulus / negative regulation of cell population proliferation / negative regulation of DNA-templated transcription / positive regulation of DNA-templated transcription / protein-containing complex binding / perinuclear region of cytoplasm / negative regulation of transcription by RNA polymerase II / Golgi apparatus / signal transduction / extracellular region / zinc ion binding / plasma membrane Similarity search - Function | |||||||||||||||
| Biological species | ![]() | |||||||||||||||
| Method | single particle reconstruction / cryo EM / Resolution: 3.64 Å | |||||||||||||||
Authors | Luo Y / Zhao Y | |||||||||||||||
| Funding support | China, 4 items
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Citation | Journal: Structure / Year: 2021Title: Cryo-EM study of patched in lipid nanodisc suggests a structural basis for its clustering in caveolae. Authors: Yitian Luo / Guoyue Wan / Xiang Zhang / Xuan Zhou / Qiuwen Wang / Jialin Fan / Hongmin Cai / Liya Ma / Hailong Wu / Qianhui Qu / Yao Cong / Yun Zhao / Dianfan Li / ![]() Abstract: The 12-transmembrane protein Patched (Ptc1) acts as a suppressor for Hedgehog (Hh) signaling by depleting sterols in the cytoplasmic membrane leaflet that are required for the activation of ...The 12-transmembrane protein Patched (Ptc1) acts as a suppressor for Hedgehog (Hh) signaling by depleting sterols in the cytoplasmic membrane leaflet that are required for the activation of downstream regulators. The positive modulator Hh inhibits Ptc1's transporter function by binding to Ptc1 and its co-receptors, which are locally concentrated in invaginated microdomains known as caveolae. Here, we reconstitute the mouse Ptc1 into lipid nanodiscs and determine its structure using single-particle cryoelectron microscopy. The structure is overall similar to those in amphipol and detergents but displays various conformational differences in the transmembrane region. Although most particles show monomers, we observe Ptc1 dimers with distinct interaction patterns and different membrane curvatures, some of which are reminiscent of caveolae. We find that an extramembranous "hand-shake" region rich in hydrophobic and aromatic residues mediates inter-Ptc1 interactions under different membrane curvatures. Our data provide a plausible framework for Ptc1 clustering in the highly curved caveolae. | |||||||||||||||
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Structure visualization
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| Structure viewer | EM map: SurfView Molmil Jmol/JSmol |
| Supplemental images |
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Downloads & links
-EMDB archive
| Map data | emd_31754.map.gz | 52.9 MB | EMDB map data format | |
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| Header (meta data) | emd-31754-v30.xml emd-31754.xml | 19.6 KB 19.6 KB | Display Display | EMDB header |
| Images | emd_31754.png | 37.8 KB | ||
| Filedesc metadata | emd-31754.cif.gz | 7.2 KB | ||
| Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-31754 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-31754 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 7v6zMC ![]() 7v6yC M: atomic model generated by this map C: citing same article ( |
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| Similar structure data |
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Links
| EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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| Related items in Molecule of the Month |
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Map
| File | Download / File: emd_31754.map.gz / Format: CCP4 / Size: 70.2 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Voxel size | X=Y=Z: 0.82 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Density |
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| Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Details | EMDB XML:
CCP4 map header:
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-Supplemental data
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Sample components
-Entire : Ptc1 in lipid nanodisc
| Entire | Name: Ptc1 in lipid nanodisc |
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| Components |
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-Supramolecule #1: Ptc1 in lipid nanodisc
| Supramolecule | Name: Ptc1 in lipid nanodisc / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1 |
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| Source (natural) | Organism: ![]() |
| Molecular weight | Theoretical: 160 kDa/nm |
-Macromolecule #1: Protein patched homolog 1,Protein patched homolog 1
| Macromolecule | Name: Protein patched homolog 1,Protein patched homolog 1 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO |
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| Source (natural) | Organism: ![]() |
| Molecular weight | Theoretical: 121.609555 KDa |
| Recombinant expression | Organism: Homo sapiens (human) |
| Sequence | String: MGSASAGNAA GALGRQAGGG RRRRTGGPHR AAPDRDYLHR PSYCDAAFAL EQISKGKATG RKAPLWLRAK FQRLLFKLGC YIQKNCGKF LVVGLLIFGA FAVGLKAANL ETNVEELWVE VGGRVSRELN YTRQKIGEEA MFNPQLMIQT PKEEGANVLT T EALLQHLD ...String: MGSASAGNAA GALGRQAGGG RRRRTGGPHR AAPDRDYLHR PSYCDAAFAL EQISKGKATG RKAPLWLRAK FQRLLFKLGC YIQKNCGKF LVVGLLIFGA FAVGLKAANL ETNVEELWVE VGGRVSRELN YTRQKIGEEA MFNPQLMIQT PKEEGANVLT T EALLQHLD SALQASRVHV YMYNRQWKLE HLCYKSGELI TETGYMDQII EYLYPCLIIT PLDCFWEGAK LQSGTAYLLG KP PLRWTNF DPLEFLEELK KINYQVDSWE EMLNKAEVGH GYMDRPCLNP ADPDCPATAP NKNSTKPLDV ALVLNGGCQG LSR KYMHWQ EELIVGGTVK NATGKLVSAH ALQTMFQLMT PKQMYEHFRG YDYVSHINWN EDRAAAILEA WQRTYVEVVH QSVA PNSTQ KVLPFTTTTL DDILKSFSDV SVIRVASGYL LMLAYACLTM LRWDCSKSQG AVGLAGVLLV ALSVAAGLGL CSLIG ISFN AATTQVLPFL ALGVGVDDVF LLAHAFSETG QNKRIPFEDR TGECLKRTGA SVALTSISNV TAFFMAALIP IPALRA FSL QAAVVVVFNF AMVLLIFPAI LSMDLYRRED RRLDIFCCFT SPCVSRVIQV EPQEPPCTKW TLSSFAEKHY APFLLKP KA KVVVILLFLG LLGVSLYGTT RVRDGLDLTD IVPRETREYD FIAAQFKYFS FYNMYIVTQK ADYPNIQHLL YDLHKSFS N VKYVMLEENK QLPQMWLHYF RDWLQGLQDA FDSDWETGRI MPNNYKNGSD DGVLAYKLLV QTGSRDKPID ISQLTKQRL VDADGIINPS AFYIYLTAWV SNDPVAYAAS QANIRPHRPE WVHDKADYMP ETRLRIPAAE PIEYAQFPFY LNGLRDTSDF VEAIEKVRV ICNNYTSLGL SSYPNGYPFL FWEQYISLRH WLLLSISVVL ACTFLVCAVF LLNPWTAGII VMVLALMTVE L FGMMGLIG IKLSAVPVVI LIASVGIGVE FTAHVALAFL TAIGDKNHRA MLALEHMFAP VLDGAVSTLL GVLMLAGSEF DF IVRYFFA VLAILTVLGV LNGLVLLPVL LSFFGPCPEV SPANGTLEVL FQG UniProtKB: Protein patched homolog 1, Protein patched homolog 1 |
-Macromolecule #3: 2-acetamido-2-deoxy-beta-D-glucopyranose
| Macromolecule | Name: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 3 / Number of copies: 3 / Formula: NAG |
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| Molecular weight | Theoretical: 221.208 Da |
| Chemical component information | ![]() ChemComp-NAG: |
-Macromolecule #4: CHOLESTEROL
| Macromolecule | Name: CHOLESTEROL / type: ligand / ID: 4 / Number of copies: 1 / Formula: CLR |
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| Molecular weight | Theoretical: 386.654 Da |
| Chemical component information | ![]() ChemComp-CLR: |
-Experimental details
-Structure determination
| Method | cryo EM |
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Processing | single particle reconstruction |
| Aggregation state | particle |
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Sample preparation
| Concentration | 8.5 mg/mL | ||||||||||||||||||
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| Buffer | pH: 7.5 Component:
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| Vitrification | Cryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV |
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Electron microscopy
| Microscope | FEI TITAN KRIOS |
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| Image recording | Film or detector model: GATAN K3 (6k x 4k) / Digitization - Dimensions - Width: 5760 pixel / Digitization - Dimensions - Height: 4092 pixel / Number grids imaged: 1 / Number real images: 5140 / Average exposure time: 2.23 sec. / Average electron dose: 60.0 e/Å2 |
| Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
| Electron optics | C2 aperture diameter: 70.0 µm / Calibrated defocus max: 3.0 µm / Calibrated defocus min: 1.1 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 2.2 µm / Nominal defocus min: 1.5 µm / Nominal magnification: 120000 |
| Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN |
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
-Atomic model buiding 1
| Refinement | Space: REAL / Protocol: OTHER / Overall B value: 57.8 |
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| Output model | ![]() PDB-7v6z: |
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Keywords
Authors
China, 4 items
Citation
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Homo sapiens (human)


