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- EMDB-18616: E2/E3BP core of the human pyruvate dehydrogenase complex (map 1; ... -

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Open data


ID or keywords:

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Basic information

Entry
Database: EMDB / ID: EMD-18616
TitleE2/E3BP core of the human pyruvate dehydrogenase complex (map 1; 3.4 A)
Map data
Sample
  • Complex: E2/E3BP core of the human pyruvate dehydrogenase complex
    • Protein or peptide: Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex
    • Protein or peptide: Pyruvate dehydrogenase protein X component
Keywordspyruvate dehydrogenase complex / PDHc / E2 / E3BP / cryo-EM / TRANSFERASE
Function / homology
Function and homology information


dihydrolipoyllysine-residue acetyltransferase / dihydrolipoyllysine-residue acetyltransferase activity / acetyl-CoA biosynthetic process from pyruvate / : / pyruvate dehydrogenase complex / Pyruvate metabolism / Glyoxylate metabolism and glycine degradation / Regulation of pyruvate dehydrogenase (PDH) complex / Signaling by Retinoic Acid / acyltransferase activity ...dihydrolipoyllysine-residue acetyltransferase / dihydrolipoyllysine-residue acetyltransferase activity / acetyl-CoA biosynthetic process from pyruvate / : / pyruvate dehydrogenase complex / Pyruvate metabolism / Glyoxylate metabolism and glycine degradation / Regulation of pyruvate dehydrogenase (PDH) complex / Signaling by Retinoic Acid / acyltransferase activity / tricarboxylic acid cycle / glucose metabolic process / mitochondrial matrix / intracellular membrane-bounded organelle / mitochondrion / identical protein binding
Similarity search - Function
Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex / Dihydrolipoamide acetyltransferase/Pyruvate dehydrogenase protein X component / Peripheral subunit-binding domain / e3 binding domain / Peripheral subunit-binding (PSBD) domain profile. / E3-binding domain superfamily / 2-oxo acid dehydrogenase, lipoyl-binding site / 2-oxo acid dehydrogenases acyltransferase component lipoyl binding site. / 2-oxoacid dehydrogenase acyltransferase, catalytic domain / 2-oxoacid dehydrogenases acyltransferase (catalytic domain) ...Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex / Dihydrolipoamide acetyltransferase/Pyruvate dehydrogenase protein X component / Peripheral subunit-binding domain / e3 binding domain / Peripheral subunit-binding (PSBD) domain profile. / E3-binding domain superfamily / 2-oxo acid dehydrogenase, lipoyl-binding site / 2-oxo acid dehydrogenases acyltransferase component lipoyl binding site. / 2-oxoacid dehydrogenase acyltransferase, catalytic domain / 2-oxoacid dehydrogenases acyltransferase (catalytic domain) / Biotin-requiring enzyme / Biotinyl/lipoyl domain profile. / Biotin/lipoyl attachment / Single hybrid motif / Chloramphenicol acetyltransferase-like domain superfamily
Similarity search - Domain/homology
Pyruvate dehydrogenase protein X component, mitochondrial / Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex, mitochondrial
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.4 Å
AuthorsZdanowicz R / Afanasyev P / Boehringer D / Glockshuber R
Funding support Switzerland, 1 items
OrganizationGrant numberCountry
Swiss National Science Foundation Switzerland
CitationJournal: Sci Adv / Year: 2024
Title: Stoichiometry and architecture of the human pyruvate dehydrogenase complex
Authors: Zdanowicz R / Afanasyev P / Pruska A / Harrison JA / Boehringer D / Leitner A / Zenobi R / Glockshuber R
History
DepositionOct 9, 2023-
Header (metadata) releaseJul 10, 2024-
Map releaseJul 10, 2024-
UpdateJul 10, 2024-
Current statusJul 10, 2024Processing site: PDBe / Status: Released

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Structure visualization

Supplemental images

emd_18616.png

Downloads & links

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Map

FileDownload / File: emd_18616.map.gz / Format: CCP4 / Size: 163.6 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Voxel sizeX=Y=Z: 1.0929 Å
Density
Contour LevelBy AUTHOR: 0.014
Minimum - Maximum-0.056674153 - 0.11410752
Average (Standard dev.)0.0005518343 (±0.0034554782)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions350350350
Spacing350350350
CellA=B=C: 382.515 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : E2/E3BP core of the human pyruvate dehydrogenase complex

EntireName: E2/E3BP core of the human pyruvate dehydrogenase complex
Components
  • Complex: E2/E3BP core of the human pyruvate dehydrogenase complex
    • Protein or peptide: Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex
    • Protein or peptide: Pyruvate dehydrogenase protein X component

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Supramolecule #1: E2/E3BP core of the human pyruvate dehydrogenase complex

SupramoleculeName: E2/E3BP core of the human pyruvate dehydrogenase complex
type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 3.4 MDa

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Macromolecule #1: Dihydrolipoyllysine-residue acetyltransferase component of pyruva...

MacromoleculeName: Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex
type: protein_or_peptide / ID: 1 / Enantiomer: LEVO / EC number: dihydrolipoyllysine-residue acetyltransferase
Source (natural)Organism: Homo sapiens (human)
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString: MHHHHHHENL YFQSLPPHQK VPLPSLSPTM QAGTIARWEK KEGDKINEGD LIAEVETDKA TVGFESLEEC YMAKILVAEG TRDVPIGAII CITVGKPEDI EAFKNYTLDS SAAPTPQAAP APTPAATASP PTPSAQAPGS SYPPHMQVLL PALSPTMTMG TVQRWEKKVG ...String:
MHHHHHHENL YFQSLPPHQK VPLPSLSPTM QAGTIARWEK KEGDKINEGD LIAEVETDKA TVGFESLEEC YMAKILVAEG TRDVPIGAII CITVGKPEDI EAFKNYTLDS SAAPTPQAAP APTPAATASP PTPSAQAPGS SYPPHMQVLL PALSPTMTMG TVQRWEKKVG EKLSEGDLLA EIETDKATIG FEVQEEGYLA KILVPEGTRD VPLGTPLCII VEKEADISAF ADYRPTEVTD LKPQVPPPTP PPVAAVPPTP QPLAPTPSAP CPATPAGPKG RVFVSPLAKK LAVEKGIDLT QVKGTGPDGR ITKKDIDSFV PSKVAPAPAA VVPPTGPGMA PVPTGVFTDI PISNIRRVIA QRLMQSKQTI PHYYLSIDVN MGEVLLVRKE LNKILEGRSK ISVNDFIIKA SALACLKVPE ANSSWMDTVI RQNHVVDVSV AVSTPAGLIT PIVFNAHIKG VETIANDVVS LATKAREGKL QPHEFQGGTF TISNLGMFGI KNFSAIINPP QACILAIGAS EDKLVPADNE KGFDVASMMS VTLSCDHRVV DGAVGAQWLA EFRKYLEKPI TMLL

UniProtKB: Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex, mitochondrial

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Macromolecule #2: Pyruvate dehydrogenase protein X component

MacromoleculeName: Pyruvate dehydrogenase protein X component / type: protein_or_peptide / ID: 2 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Recombinant expressionOrganism: Escherichia coli BL21(DE3) (bacteria)
SequenceString: MGDPIKILMP SLSPTMEEGN IVKWLKKEGE AVSAGDALCE IETDKAVVTL DASDDGILAK IVVEEGSKNI RLGSLIGLIV EEGEDWKHVE IPKDVGPPPP VSKPSEPRPS PEPQISIPVK KEHIPGTLRF RLSPAARNIL EKHSLDASQG TATGPRGIFT KEDALKLVQL ...String:
MGDPIKILMP SLSPTMEEGN IVKWLKKEGE AVSAGDALCE IETDKAVVTL DASDDGILAK IVVEEGSKNI RLGSLIGLIV EEGEDWKHVE IPKDVGPPPP VSKPSEPRPS PEPQISIPVK KEHIPGTLRF RLSPAARNIL EKHSLDASQG TATGPRGIFT KEDALKLVQL KQTGKITESR PTPAPTATPT APSPLQATAG PSYPRPVIPP VSTPGQPNAV GTFTEIPASN IRRVIAKRLT ESKSTVPHAY ATADCDLGAV LKVRQDLVKD DIKVSVNDFI IKAAAVTLKQ MPDVNVSWDG EGPKQLPFID ISVAVATDKG LLTPIIKDAA AKGIQEIADS VKALSKKARD GKLLPEEYQG GSFSISNLGM FGIDEFTAVI NPPQACILAV GRFRPVLKLT EDEEGNAKLQ QRQLITVTMS SDSRVVDDEL ATRFLKSFKA NLENPIRLA

UniProtKB: Pyruvate dehydrogenase protein X component, mitochondrial

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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: 7.4
GridModel: Quantifoil R2/2 / Material: COPPER / Support film - Material: CARBON / Support film - topology: HOLEY
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Detector mode: COUNTING / Average electron dose: 80.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.8000000000000003 µm / Nominal defocus min: 1.6 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: OTHER / Details: RELION 3D initial model
Final reconstructionApplied symmetry - Point group: T (tetrahedral) / Resolution.type: BY AUTHOR / Resolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC (ver. 3.2) / Number images used: 513329
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 3.1)
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 3.1)
FSC plot (resolution estimation)

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Atomic model buiding 1

Initial model
PDB IDChainDetails

8piu

residue_range: 417-647, source_name: PDB, initial_model_type: experimental modelE2 tetramer

0-f1

residue_range: 273-501, source_name: AlphaFold, initial_model_type: in silico modelE3BP monomer

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