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- EMDB-7795: Structure of human Patched1 -

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Basic information

Entry
Database: EMDB / ID: EMD-7795
TitleStructure of human Patched1
Map dataA protein structure
Sample
  • Complex: Ptc
    • Protein or peptide: Protein patched homolog 1
  • Ligand: N-ACETYL-D-GLUCOSAMINE
Function / homology
Function and homology information


neural plate axis specification / response to chlorate / cell differentiation involved in kidney development / hedgehog receptor activity / cell proliferation involved in metanephros development / neural tube patterning / smoothened binding / hedgehog family protein binding / hindlimb morphogenesis / Ligand-receptor interactions ...neural plate axis specification / response to chlorate / cell differentiation involved in kidney development / hedgehog receptor activity / cell proliferation involved in metanephros development / neural tube patterning / smoothened binding / hedgehog family protein binding / hindlimb morphogenesis / Ligand-receptor interactions / epidermal cell fate specification / spinal cord motor neuron differentiation / prostate gland development / Activation of SMO / limb morphogenesis / patched binding / negative regulation of cell division / somite development / dorsal/ventral neural tube patterning / smooth muscle tissue development / pharyngeal system development / cellular response to cholesterol / mammary gland duct morphogenesis / mammary gland epithelial cell differentiation / cell fate determination / commissural neuron axon guidance / metanephric collecting duct development / regulation of smoothened signaling pathway / dorsal/ventral pattern formation / Class B/2 (Secretin family receptors) / embryonic limb morphogenesis / negative regulation of multicellular organism growth / ciliary membrane / branching involved in ureteric bud morphogenesis / cholesterol binding / positive regulation of epidermal cell differentiation / dendritic growth cone / keratinocyte proliferation / positive regulation of cholesterol efflux / spermatid development / negative regulation of osteoblast differentiation / negative regulation of keratinocyte proliferation / embryonic organ development / response to mechanical stimulus / response to retinoic acid / axonal growth cone / heart morphogenesis / negative regulation of stem cell proliferation / Hedgehog 'off' state / liver regeneration / cyclin binding / regulation of mitotic cell cycle / animal organ morphogenesis / stem cell proliferation / protein localization to plasma membrane / Hedgehog 'on' state / negative regulation of smoothened signaling pathway / neural tube closure / brain development / caveola / protein processing / endocytic vesicle membrane / apical part of cell / glucose homeostasis / response to estradiol / heparin binding / regulation of protein localization / midbody / in utero embryonic development / postsynaptic membrane / response to xenobiotic stimulus / intracellular membrane-bounded organelle / positive regulation of DNA-templated transcription / protein-containing complex binding / perinuclear region of cytoplasm / negative regulation of transcription by RNA polymerase II / signal transduction / plasma membrane
Similarity search - Function
Transmembrane receptor, patched / : / Sterol-sensing domain of SREBP cleavage-activation / Sterol-sensing domain (SSD) profile. / Sterol-sensing domain
Similarity search - Domain/homology
Protein patched homolog 1
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / Resolution: 3.5 Å
AuthorsQi X / Li X / Wang J
CitationJournal: Nature / Year: 2018
Title: Structures of human Patched and its complex with native palmitoylated sonic hedgehog.
Authors: Xiaofeng Qi / Philip Schmiege / Elias Coutavas / Jiawei Wang / Xiaochun Li /
Abstract: Hedgehog (HH) signalling governs embryogenesis and adult tissue homeostasis in mammals and other multicellular organisms. Whereas deficient HH signalling leads to birth defects, unrestrained HH ...Hedgehog (HH) signalling governs embryogenesis and adult tissue homeostasis in mammals and other multicellular organisms. Whereas deficient HH signalling leads to birth defects, unrestrained HH signalling is implicated in human cancers. N-terminally palmitoylated HH releases the repression of Patched to the oncoprotein smoothened (SMO); however, the mechanism by which HH recognizes Patched is unclear. Here we report cryo-electron microscopy structures of human patched 1 (PTCH1) alone and in complex with the N-terminal domain of 'native' sonic hedgehog (native SHH-N has both a C-terminal cholesterol and an N-terminal fatty-acid modification), at resolutions of 3.5 Å and 3.8 Å, respectively. The structure of PTCH1 has internal two-fold pseudosymmetry in the transmembrane core, which features a sterol-sensing domain and two homologous extracellular domains, resembling the architecture of Niemann-Pick C1 (NPC1) protein. The palmitoylated N terminus of SHH-N inserts into a cavity between the extracellular domains of PTCH1 and dominates the PTCH1-SHH-N interface, which is distinct from that reported for SHH-N co-receptors. Our biochemical assays show that SHH-N may use another interface, one that is required for its co-receptor binding, to recruit PTCH1 in the absence of a covalently attached palmitate. Our work provides atomic insights into the recognition of the N-terminal domain of HH (HH-N) by PTCH1, offers a structural basis for cooperative binding of HH-N to various receptors and serves as a molecular framework for HH signalling and its malfunction in disease.
History
DepositionApr 18, 2018-
Header (metadata) releaseMay 16, 2018-
Map releaseJul 11, 2018-
UpdateApr 10, 2019-
Current statusApr 10, 2019Processing site: RCSB / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.7
  • Imaged by UCSF Chimera
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  • Surface view colored by height
  • Surface level: 0.7
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-6oeu
  • Surface level: 0.7
  • Imaged by UCSF Chimera
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Structure viewerEM map:
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Downloads & links

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Map

FileDownload / File: emd_7795.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationA protein structure
Voxel sizeX=Y=Z: 1 Å
Density
Contour LevelBy EMDB: 0.8 / Movie #1: 0.7
Minimum - Maximum-2.5108805 - 3.830217
Average (Standard dev.)0.0028911936 (±0.103140645)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 256.0 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z111
M x/y/z256256256
origin x/y/z0.0000.0000.000
length x/y/z256.000256.000256.000
α/β/γ90.00090.00090.000
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS256256256
D min/max/mean-2.5113.8300.003

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Supplemental data

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Sample components

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Entire : Ptc

EntireName: Ptc
Components
  • Complex: Ptc
    • Protein or peptide: Protein patched homolog 1
  • Ligand: N-ACETYL-D-GLUCOSAMINE

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Supramolecule #1: Ptc

SupramoleculeName: Ptc / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1
Source (natural)Organism: Homo sapiens (human)
Recombinant expressionOrganism: Homo sapiens (human)
Molecular weightExperimental: 121 KDa

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Macromolecule #1: Protein patched homolog 1

MacromoleculeName: Protein patched homolog 1 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 161.711406 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MASAGNAAEP QDRGGGGSGC IGAPGRPAGG GRRRRTGGLR RAAAPDRDYL HRPSYCDAAF ALEQISKGKA TGRKAPLWLR AKFQRLLFK LGCYIQKNCG KFLVVGLLIF GAFAVGLKAA NLETNVEELW VEVGGRVSRE LNYTRQKIGE EAMFNPQLMI Q TPKEEGAN ...String:
MASAGNAAEP QDRGGGGSGC IGAPGRPAGG GRRRRTGGLR RAAAPDRDYL HRPSYCDAAF ALEQISKGKA TGRKAPLWLR AKFQRLLFK LGCYIQKNCG KFLVVGLLIF GAFAVGLKAA NLETNVEELW VEVGGRVSRE LNYTRQKIGE EAMFNPQLMI Q TPKEEGAN VLTTEALLQH LDSALQASRV HVYMYNRQWK LEHLCYKSGE LITETGYMDQ IIEYLYPCLI ITPLDCFWEG AK LQSGTAY LLGKPPLRWT NFDPLEFLEE LKKINYQVDS WEEMLNKAEV GHGYMDRPCL NPADPDCPAT APNKNSTKPL DMA LVLNGG CHGLSRKYMH WQEELIVGGT VKNSTGKLVS AHALQTMFQL MTPKQMYEHF KGYEYVSHIN WNEDKAAAIL EAWQ RTYVE VVHQSVAQNS TQKVLSFTTT TLDDILKSFS DVSVIRVASG YLLMLAYACL TMLRWDCSKS QGAVGLAGVL LVALS VAAG LGLCSLIGIS FNAATTQVLP FLALGVGVDD VFLLAHAFSE TGQNKRIPFE DRTGECLKRT GASVALTSIS NVTAFF MAA LIPIPALRAF SLQAAVVVVF NFAMVLLIFP AILSMDLYRR EDRRLDIFCC FTSPCVSRVI QVEPQAYTDT HDNTRYS PP PPYSSHSFAH ETQITMQSTV QLRTEYDPHT HVYYTTAEPR SEISVQPVTV TQDTLSCQSP ESTSSTRDLL SQFSDSSL H CLEPPCTKWT LSSFAEKHYA PFLLKPKAKV VVIFLFLGLL GVSLYGTTRV RDGLDLTDIV PRETREYDFI AAQFKYFSF YNMYIVTQKA DYPNIQHLLY DLHRSFSNVK YVMLEENKQL PKMWLHYFRD WLQGLQDAFD SDWETGKIMP NNYKNGSDDG VLAYKLLVQ TGSRDKPIDI SQLTKQRLVD ADGIINPSAF YIYLTAWVSN DPVAYAASQA NIRPHRPEWV HDKADYMPET R LRIPAAEP IEYAQFPFYL NGLRDTSDFV EAIEKVRTIC SNYTSLGLSS YPNGYPFLFW EQYIGLRHWL LLFISVVLAC TF LVCAVFL LNPWTAGIIV MVLALMTVEL FGMMGLIGIK LSAVPVVILI ASVGIGVEFT VHVALAFLTA IGDKNRRAVL ALE HMFAPV LDGAVSTLLG VLMLAGSEFD FIVRYFFAVL AILTILGVLN GLVLLPVLLS FFGPYPEVSP ANGLNRLPTP SPEP PPSVV RFAMPPGHTH SGSDSSDSEY SSQTTVSGLS EELRHYEAQQ GAGGPAHQVI VEATENPVFA HSTVVHPESR HHPPS NPRQ QPHLDSGSLP PGRQGQQPRR DPPREGLWPP PYRPRRDAFE ISTEGHSGPS NRARWGPRGA RSHNPRNPAS TAMGSS VPG YCQPITTVTA SASVTVAVHP PPVPGPGRNP RGGLCPGYPE TDHGLFEDPH VPFHVRCERR DSKVEVIELQ DVECEER PR GSSSNDYKDD DDK

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Macromolecule #2: N-ACETYL-D-GLUCOSAMINE

MacromoleculeName: N-ACETYL-D-GLUCOSAMINE / type: ligand / ID: 2 / Number of copies: 8 / Formula: NAG
Molecular weightTheoretical: 221.208 Da

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Experimental details

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Structure determination

Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 7

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Average electron dose: 1.6 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: DARK FIELD
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

5u73

Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.5 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 789118
Initial angle assignmentType: ANGULAR RECONSTITUTION
Final angle assignmentType: ANGULAR RECONSTITUTION

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