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- PDB-9eba: Human TRPML1 bound to Sybody57 -

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Open data


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Basic information

Entry
Database: PDB / ID: 9eba
TitleHuman TRPML1 bound to Sybody57
Components
  • Mucolipin-1
  • Sybody57
KeywordsMEMBRANE PROTEIN / TRPML1 / sybody / ion channel
Function / homology
Function and homology information


positive regulation of lysosome organization / calcium ion export / intracellularly phosphatidylinositol-3,5-bisphosphate-gated monatomic cation channel activity / NAADP-sensitive calcium-release channel activity / phagosome maturation / iron ion transmembrane transporter activity / ligand-gated calcium channel activity / Transferrin endocytosis and recycling / iron ion transmembrane transport / cellular response to pH ...positive regulation of lysosome organization / calcium ion export / intracellularly phosphatidylinositol-3,5-bisphosphate-gated monatomic cation channel activity / NAADP-sensitive calcium-release channel activity / phagosome maturation / iron ion transmembrane transporter activity / ligand-gated calcium channel activity / Transferrin endocytosis and recycling / iron ion transmembrane transport / cellular response to pH / monoatomic anion channel activity / TRP channels / sodium channel activity / autophagosome maturation / monoatomic cation transport / potassium channel activity / monoatomic cation channel activity / phagocytic cup / release of sequestered calcium ion into cytosol / cellular response to calcium ion / transferrin transport / cell projection / calcium ion transmembrane transport / calcium channel activity / phagocytic vesicle membrane / late endosome membrane / late endosome / protein homotetramerization / adaptive immune response / lysosome / receptor complex / endosome membrane / lysosomal membrane / intracellular membrane-bounded organelle / lipid binding / Golgi apparatus / nucleoplasm / identical protein binding / membrane / plasma membrane
Similarity search - Function
: / Mucolipin / : / Mucolipin, extracytosolic domain / Polycystin cation channel, PKD1/PKD2 / Polycystin cation channel
Similarity search - Domain/homology
Chem-EUJ / Mucolipin-1
Similarity search - Component
Biological speciessynthetic construct (others)
Homo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.1 Å
AuthorsPumroy, R.P. / Christensen, C.R. / Salphati, S.P. / Moiseenkova-Bell, V.Y. / Newstead, S.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R35GM144120 United States
Citation
#1: Journal: Acta Crystallogr D Struct Biol / Year: 2019
Title: Macromolecular structure determination using X-rays, neutrons and electrons: recent developments in Phenix.
Authors: Dorothee Liebschner / Pavel V Afonine / Matthew L Baker / Gábor Bunkóczi / Vincent B Chen / Tristan I Croll / Bradley Hintze / Li Wei Hung / Swati Jain / Airlie J McCoy / Nigel W Moriarty ...Authors: Dorothee Liebschner / Pavel V Afonine / Matthew L Baker / Gábor Bunkóczi / Vincent B Chen / Tristan I Croll / Bradley Hintze / Li Wei Hung / Swati Jain / Airlie J McCoy / Nigel W Moriarty / Robert D Oeffner / Billy K Poon / Michael G Prisant / Randy J Read / Jane S Richardson / David C Richardson / Massimo D Sammito / Oleg V Sobolev / Duncan H Stockwell / Thomas C Terwilliger / Alexandre G Urzhumtsev / Lizbeth L Videau / Christopher J Williams / Paul D Adams /
Abstract: Diffraction (X-ray, neutron and electron) and electron cryo-microscopy are powerful methods to determine three-dimensional macromolecular structures, which are required to understand biological ...Diffraction (X-ray, neutron and electron) and electron cryo-microscopy are powerful methods to determine three-dimensional macromolecular structures, which are required to understand biological processes and to develop new therapeutics against diseases. The overall structure-solution workflow is similar for these techniques, but nuances exist because the properties of the reduced experimental data are different. Software tools for structure determination should therefore be tailored for each method. Phenix is a comprehensive software package for macromolecular structure determination that handles data from any of these techniques. Tasks performed with Phenix include data-quality assessment, map improvement, model building, the validation/rebuilding/refinement cycle and deposition. Each tool caters to the type of experimental data. The design of Phenix emphasizes the automation of procedures, where possible, to minimize repetitive and time-consuming manual tasks, while default parameters are chosen to encourage best practice. A graphical user interface provides access to many command-line features of Phenix and streamlines the transition between programs, project tracking and re-running of previous tasks.
History
DepositionNov 12, 2024Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 21, 2026Provider: repository / Type: Initial release
Revision 1.0Jan 21, 2026Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Jan 21, 2026Data content type: FSC / Data content type: FSC / Provider: repository / Type: Initial release
Revision 1.0Jan 21, 2026Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jan 21, 2026Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Jan 21, 2026Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Jan 21, 2026Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
E: Sybody57
A: Mucolipin-1
F: Sybody57
G: Sybody57
H: Sybody57
B: Mucolipin-1
C: Mucolipin-1
D: Mucolipin-1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)330,37212
Polymers327,3868
Non-polymers2,9864
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, not applicable, gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

#1: Antibody
Sybody57


Mass: 16761.428 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) synthetic construct (others) / Production host: Escherichia coli (E. coli)
#2: Protein
Mucolipin-1 / ML1 / MG-2 / Mucolipidin / Transient receptor potential channel mucolipin 1 / TRPML1


Mass: 65084.996 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: MCOLN1, ML4, MSTP080 / Production host: Homo sapiens (human) / References: UniProt: Q9GZU1
#3: Chemical
ChemComp-EUJ / (2R)-3-{[(S)-hydroxy{[(1S,2R,3R,4S,5S,6R)-2,4,6-trihydroxy-3,5-bis(phosphonooxy)cyclohexyl]oxy}phosphoryl]oxy}propane-1,2-diyl dioctanoate


Mass: 746.566 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C25H49O19P3 / Feature type: SUBJECT OF INVESTIGATION
Has ligand of interestY
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Complex of the tetrameric TRPML1 ion channel bound to four copies of Sybody57
Type: COMPLEX / Entity ID: #1-#2 / Source: RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)Organism: synthetic construct (others)
Source (recombinant)Organism: Escherichia coli (E. coli)
Buffer solutionpH: 8
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 25000 nm / Nominal defocus min: 8000 nm
Image recordingElectron dose: 49 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

EM softwareName: PHENIX / Version: 1.21.1_5286 / Category: model refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
SymmetryPoint symmetry: C4 (4 fold cyclic)
3D reconstructionResolution: 3.1 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 48890 / Symmetry type: POINT
RefinementCross valid method: NONE

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