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- EMDB-40469: human liver mitochondrial Catalase -

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ID or keywords:

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Basic information

Entry
Database: EMDB / ID: EMD-40469
Titlehuman liver mitochondrial Catalase
Map data
Sample
  • Complex: Catalase
    • Protein or peptide: Catalase
  • Ligand: PROTOPORPHYRIN IX CONTAINING FE
  • Ligand: NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
Keywordshuman / liver / mitochondrial / Catalase / OXIDOREDUCTASE
Function / homology
Function and homology information


response to amitrole / response to phenylpropanoid / aminoacylase activity / catalase complex / hemoglobin metabolic process / response to inactivity / cellular detoxification of hydrogen peroxide / response to ozone / oxidoreductase activity, acting on peroxide as acceptor / catalase ...response to amitrole / response to phenylpropanoid / aminoacylase activity / catalase complex / hemoglobin metabolic process / response to inactivity / cellular detoxification of hydrogen peroxide / response to ozone / oxidoreductase activity, acting on peroxide as acceptor / catalase / response to L-ascorbic acid / response to fatty acid / UV protection / response to light intensity / catalase activity / response to vitamin A / peroxisomal membrane / ureteric bud development / triglyceride metabolic process / response to vitamin E / Detoxification of Reactive Oxygen Species / antioxidant activity / peroxisomal matrix / positive regulation of cell division / response to hyperoxia / Mitochondrial unfolded protein response (UPRmt) / response to cadmium ion / FOXO-mediated transcription of oxidative stress, metabolic and neuronal genes / cholesterol metabolic process / aerobic respiration / response to reactive oxygen species / response to activity / hydrogen peroxide catabolic process / Peroxisomal protein import / response to hydrogen peroxide / response to insulin / cellular response to growth factor stimulus / response to lead ion / osteoblast differentiation / peroxisome / response to estradiol / NADP binding / response to ethanol / secretory granule lumen / ficolin-1-rich granule lumen / response to hypoxia / positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction / response to xenobiotic stimulus / focal adhesion / intracellular membrane-bounded organelle / heme binding / Neutrophil degranulation / negative regulation of apoptotic process / enzyme binding / protein homodimerization activity / protein-containing complex / mitochondrion / extracellular exosome / extracellular region / metal ion binding / identical protein binding / membrane / cytoplasm / cytosol
Similarity search - Function
Catalase, clade 3 / Catalase, mono-functional, haem-containing, clades 1 and 3 / Catalase haem-binding site / Catalase proximal heme-ligand signature. / Catalase / Catalase immune-responsive domain / Catalase-related immune-responsive / Catalase active site / Catalase proximal active site signature. / Catalase core domain ...Catalase, clade 3 / Catalase, mono-functional, haem-containing, clades 1 and 3 / Catalase haem-binding site / Catalase proximal heme-ligand signature. / Catalase / Catalase immune-responsive domain / Catalase-related immune-responsive / Catalase active site / Catalase proximal active site signature. / Catalase core domain / Catalase, mono-functional, haem-containing / Catalase / catalase family profile. / Catalase superfamily
Similarity search - Domain/homology
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.58 Å
AuthorsZhang Z
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)R01AI145069 United States
CitationJournal: Mol Cell Proteomics / Year: 2023
Title: High-Resolution Structural Proteomics of Mitochondria Using the 'Build and Retrieve' Methodology.
Authors: Zhemin Zhang / Marios L Tringides / Christopher E Morgan / Masaru Miyagi / Jason A Mears / Charles L Hoppel / Edward W Yu /
Abstract: The application of integrated systems biology to the field of structural biology is a promising new direction, although it is still in the infant stages of development. Here we report the use of ...The application of integrated systems biology to the field of structural biology is a promising new direction, although it is still in the infant stages of development. Here we report the use of single particle cryo-EM to identify multiple proteins from three enriched heterogeneous fractions prepared from human liver mitochondrial lysate. We simultaneously identify and solve high-resolution structures of nine essential mitochondrial enzymes with key metabolic functions, including fatty acid catabolism, reactive oxidative species clearance, and amino acid metabolism. Our methodology also identified multiple distinct members of the acyl-CoA dehydrogenase family. This work highlights the potential of cryo-EM to explore tissue proteomics at the atomic level.
History
DepositionApr 13, 2023-
Header (metadata) releaseFeb 21, 2024-
Map releaseFeb 21, 2024-
UpdateMay 14, 2025-
Current statusMay 14, 2025Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_40469.png

Downloads & links

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Map

FileDownload / File: emd_40469.map.gz / Format: CCP4 / Size: 166.4 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.83 Å/pix.
x 352 pix.
= 290.576 Å		0.83 Å/pix.
x 352 pix.
= 290.576 Å		0.83 Å/pix.
x 352 pix.
= 290.576 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.8255 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.15
Minimum - Maximum-0.32018456 - 0.6704066
Average (Standard dev.)0.0023028052 (±0.021969752)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions352352352
Spacing352352352
CellA=B=C: 290.576 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_40469_half_map_1.map
Projections & Slices
AxesZYX

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Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_40469_half_map_2.map
Projections & Slices
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Histogram

Histogram (log scale)

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Sample components

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Entire : Catalase

EntireName: Catalase
Components
  • Complex: Catalase
    • Protein or peptide: Catalase
  • Ligand: PROTOPORPHYRIN IX CONTAINING FE
  • Ligand: NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE

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Supramolecule #1: Catalase

SupramoleculeName: Catalase / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Catalase

MacromoleculeName: Catalase / type: protein_or_peptide / ID: 1 / Number of copies: 4 / Enantiomer: LEVO / EC number: catalase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 59.836996 KDa
SequenceString: MADSRDPASD QMQHWKEQRA AQKADVLTTG AGNPVGDKLN VITVGPRGPL LVQDVVFTDE MAHFDRERIP ERVVHAKGAG AFGYFEVTH DITKYSKAKV FEHIGKKTPI AVRFSTVAGE SGSADTVRDP RGFAVKFYTE DGNWDLVGNN TPIFFIRDPI L FPSFIHSQ ...String:
MADSRDPASD QMQHWKEQRA AQKADVLTTG AGNPVGDKLN VITVGPRGPL LVQDVVFTDE MAHFDRERIP ERVVHAKGAG AFGYFEVTH DITKYSKAKV FEHIGKKTPI AVRFSTVAGE SGSADTVRDP RGFAVKFYTE DGNWDLVGNN TPIFFIRDPI L FPSFIHSQ KRNPQTHLKD PDMVWDFWSL RPESLHQVSF LFSDRGIPDG HRHMNGYGSH TFKLVNANGE AVYCKFHYKT DQ GIKNLSV EDAARLSQED PDYGIRDLFN AIATGKYPSW TFYIQVMTFN QAETFPFNPF DLTKVWPHKD YPLIPVGKLV LNR NPVNYF AEVEQIAFDP SNMPPGIEAS PDKMLQGRLF AYPDTHRHRL GPNYLHIPVN CPYRARVANY QRDGPMCMQD NQGG APNYY PNSFGAPEQQ PSALEHSIQY SGEVRRFNTA NDDNVTQVRA FYVNVLNEEQ RKRLCENIAG HLKDAQIFIQ KKAVK NFTE VHPDYGSHIQ ALLDKYNAEK PKNAIHTFVQ SGSHLAAREK ANL

UniProtKB: Catalase

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Macromolecule #2: PROTOPORPHYRIN IX CONTAINING FE

MacromoleculeName: PROTOPORPHYRIN IX CONTAINING FE / type: ligand / ID: 2 / Number of copies: 4 / Formula: HEM
Molecular weightTheoretical: 616.487 Da
Chemical component information

ChemComp-HEM:
PROTOPORPHYRIN IX CONTAINING FE

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Macromolecule #3: NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE

MacromoleculeName: NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
type: ligand / ID: 3 / Number of copies: 4 / Formula: NDP
Molecular weightTheoretical: 745.421 Da
Chemical component information

ChemComp-NDP:
NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 7.5
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 35.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 1.5 µm / Nominal defocus min: 0.8 µm / Nominal magnification: 105000
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: INSILICO MODEL
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.58 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 31971
Initial angle assignmentType: ANGULAR RECONSTITUTION
Final angle assignmentType: ANGULAR RECONSTITUTION
FSC plot (resolution estimation)

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