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- PDB-7p0m: Human mitochondrial Lon protease with substrate in the ATPase and... -

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Basic information

Entry
Database: PDB / ID: 7p0m
TitleHuman mitochondrial Lon protease with substrate in the ATPase and protease domains
Components
  • Lon protease homolog, mitochondrial
  • Unknown peptide from human mitochondrial transcription factor A (TFAM)
KeywordsHYDROLASE / Protease / Mitochondria / AAA+
Function / homology
Function and homology information


oxidation-dependent protein catabolic process / PH domain binding / endopeptidase La / G-quadruplex DNA binding / response to aluminum ion / mitochondrial DNA metabolic process / mitochondrial genome maintenance / ATP-dependent peptidase activity / protein quality control for misfolded or incompletely synthesized proteins / mitochondrial nucleoid ...oxidation-dependent protein catabolic process / PH domain binding / endopeptidase La / G-quadruplex DNA binding / response to aluminum ion / mitochondrial DNA metabolic process / mitochondrial genome maintenance / ATP-dependent peptidase activity / protein quality control for misfolded or incompletely synthesized proteins / mitochondrial nucleoid / insulin receptor substrate binding / chaperone-mediated protein complex assembly / DNA polymerase binding / regulation of peptidyl-tyrosine phosphorylation / negative regulation of insulin receptor signaling pathway / mitochondrion organization / proteolysis involved in protein catabolic process / response to hormone / ADP binding / protein catabolic process / single-stranded DNA binding / cellular response to oxidative stress / sequence-specific DNA binding / single-stranded RNA binding / response to hypoxia / mitochondrial matrix / serine-type endopeptidase activity / ATP hydrolysis activity / mitochondrion / nucleoplasm / ATP binding / membrane / identical protein binding / cytosol
Similarity search - Function
Lon protease homologue, chloroplastic/mitochondrial / Lon protease, bacterial/eukaryotic-type / Peptidase S16, active site / ATP-dependent serine proteases, lon family, serine active site. / Lon proteolytic domain profile. / Peptidase S16, Lon proteolytic domain / Lon protease / Lon protease (S16) C-terminal proteolytic domain / Lon protease, N-terminal domain superfamily / Lon N-terminal domain profile. ...Lon protease homologue, chloroplastic/mitochondrial / Lon protease, bacterial/eukaryotic-type / Peptidase S16, active site / ATP-dependent serine proteases, lon family, serine active site. / Lon proteolytic domain profile. / Peptidase S16, Lon proteolytic domain / Lon protease / Lon protease (S16) C-terminal proteolytic domain / Lon protease, N-terminal domain superfamily / Lon N-terminal domain profile. / Lon protease, N-terminal domain / ATP-dependent protease La (LON) substrate-binding domain / Found in ATP-dependent protease La (LON) / PUA-like superfamily / ATPase family associated with various cellular activities (AAA) / ATPase, AAA-type, core / Ribosomal protein S5 domain 2-type fold, subgroup / Ribosomal protein S5 domain 2-type fold / ATPases associated with a variety of cellular activities / AAA+ ATPase domain / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
ADENOSINE-5'-DIPHOSPHATE / ADENOSINE-5'-TRIPHOSPHATE / Lon protease homolog, mitochondrial
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.75 Å
AuthorsValentin Gese, G. / Shahzad, S. / Hallberg, B.M.
CitationJournal: To Be Published
Title: A dual allosteric pathway drives human mitochondrial Lon
Authors: Valentin Gese, G. / Shahzad, S. / Pardo-Hernandez, C. / Wramstedt, A. / Falkenberg, M. / Hallberg, M.
History
DepositionJun 30, 2021Deposition site: PDBE / Processing site: PDBE
Revision 1.0Aug 11, 2021Provider: repository / Type: Initial release

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Structure visualization

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Assembly

Deposited unit
A: Lon protease homolog, mitochondrial
B: Lon protease homolog, mitochondrial
C: Lon protease homolog, mitochondrial
D: Lon protease homolog, mitochondrial
E: Lon protease homolog, mitochondrial
F: Lon protease homolog, mitochondrial
G: Unknown peptide from human mitochondrial transcription factor A (TFAM)
I: Unknown peptide from human mitochondrial transcription factor A (TFAM)
J: Unknown peptide from human mitochondrial transcription factor A (TFAM)
M: Unknown peptide from human mitochondrial transcription factor A (TFAM)
H: Unknown peptide from human mitochondrial transcription factor A (TFAM)
L: Unknown peptide from human mitochondrial transcription factor A (TFAM)
K: Unknown peptide from human mitochondrial transcription factor A (TFAM)
hetero molecules


Theoretical massNumber of molelcules
Total (without water)607,93923
Polymers604,95913
Non-polymers2,98010
Water0
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area40460 Å2
ΔGint-193 kcal/mol
Surface area119230 Å2
MethodPISA

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Components

#1: Protein
Lon protease homolog, mitochondrial / LONHs / Lon protease-like protein / LONP / Mitochondrial ATP-dependent protease Lon / Serine protease 15


Mass: 99713.266 Da / Num. of mol.: 6
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: LONP1, PRSS15 / Production host: Escherichia coli (E. coli) / References: UniProt: P36776, endopeptidase La
#2: Protein/peptide
Unknown peptide from human mitochondrial transcription factor A (TFAM)


Mass: 954.168 Da / Num. of mol.: 7
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Escherichia coli (E. coli)
#3: Chemical
ChemComp-ATP / ADENOSINE-5'-TRIPHOSPHATE / Adenosine triphosphate


Mass: 507.181 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C10H16N5O13P3 / Comment: ATP, energy-carrying molecule*YM
#4: Chemical
ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Mg
#5: Chemical ChemComp-ADP / ADENOSINE-5'-DIPHOSPHATE / Adenosine diphosphate


Mass: 427.201 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C10H15N5O10P2 / Comment: ADP, energy-carrying molecule*YM
Has ligand of interestN

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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: Human mitochondrial LonP1 K898A mutant / Type: COMPLEX / Entity ID: #1-#2 / Source: RECOMBINANT
Molecular weightValue: 0.591 MDa / Experimental value: NO
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Escherichia coli (E. coli)
Buffer solutionpH: 7.5
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: SPOT SCAN
Electron lensMode: BRIGHT FIELDBright-field microscopy
Image recordingAverage exposure time: 1.5 sec. / Electron dose: 51 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

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Processing

SoftwareName: PHENIX / Version: 1.19_4085: / Classification: refinement
EM software
IDNameVersionCategory
7Coot0.93model fitting
9PHENIX1.19.2model refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 2.75 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 278511 / Symmetry type: POINT
Atomic model buildingProtocol: FLEXIBLE FIT / Space: REAL
Atomic model buildingPDB-ID: 3M6A

3m6a


Pdb chain-ID: A
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00225637
ELECTRON MICROSCOPYf_angle_d0.41734722
ELECTRON MICROSCOPYf_dihedral_angle_d4.0963511
ELECTRON MICROSCOPYf_chiral_restr0.0373976
ELECTRON MICROSCOPYf_plane_restr0.0034457

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