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- EMDB-45089: Carbon monoxide dehydrogenase (CODH) from Methanosarcina thermoph... -

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Basic information

Entry
Database: EMDB / ID: EMD-45089
TitleCarbon monoxide dehydrogenase (CODH) from Methanosarcina thermophila, specimen prepared on blot plunger
Map dataCarbon monoxide dehydrogenase (CODH) from Methanosarcina thermophila, specimen prepared on blot plunger
Sample
  • Complex: Acetyl-CoA decarbonylase/synthase complex
    • Protein or peptide: Acetyl-CoA decarbonylase/synthase complex subunit alpha 2
    • Protein or peptide: Acetyl-CoA decarbonylase/synthase complex subunit epsilon 2
  • Ligand: IRON/SULFUR CLUSTER
  • Ligand: Fe(3)-Ni(1)-S(4) cluster
KeywordsCO-dehydrogenase / OXIDOREDUCTASE
Function / homology
Function and homology information


methanogenesis, from acetate / anaerobic carbon monoxide dehydrogenase / anaerobic carbon-monoxide dehydrogenase activity / : / acetyl-CoA metabolic process / hydroxylamine reductase activity / nickel cation binding / peroxidase activity / response to hydrogen peroxide / 4 iron, 4 sulfur cluster binding / iron ion binding
Similarity search - Function
Acetyl-CoA decarbonylase/synthase complex subunit alpha / CO dehydrogenase beta subunit/acetyl-CoA synthase epsilon subunit / CO dehydrogenase beta subunit/acetyl-CoA synthase epsilon subunit / Hydroxylamine reductase/Ni-containing CO dehydrogenase / Prismane/CO dehydrogenase family / Prismane-like, alpha/beta-sandwich / Prismane-like superfamily / DHS-like NAD/FAD-binding domain superfamily / 4Fe-4S dicluster domain / 4Fe-4S ferredoxin, iron-sulphur binding, conserved site ...Acetyl-CoA decarbonylase/synthase complex subunit alpha / CO dehydrogenase beta subunit/acetyl-CoA synthase epsilon subunit / CO dehydrogenase beta subunit/acetyl-CoA synthase epsilon subunit / Hydroxylamine reductase/Ni-containing CO dehydrogenase / Prismane/CO dehydrogenase family / Prismane-like, alpha/beta-sandwich / Prismane-like superfamily / DHS-like NAD/FAD-binding domain superfamily / 4Fe-4S dicluster domain / 4Fe-4S ferredoxin, iron-sulphur binding, conserved site / 4Fe-4S ferredoxin-type iron-sulfur binding region signature. / 4Fe-4S ferredoxin-type iron-sulfur binding domain profile. / 4Fe-4S ferredoxin-type, iron-sulphur binding domain
Similarity search - Domain/homology
Acetyl-CoA decarbonylase/synthase complex subunit epsilon 2 / Acetyl-CoA decarbonylase/synthase complex subunit alpha 2
Similarity search - Component
Biological speciesMethanosarcina thermophila (archaea)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.3 Å
AuthorsBiester A / Drennan CL
Funding support United States, 2 items
OrganizationGrant numberCountry
Howard Hughes Medical Institute (HHMI) United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM126982 United States
CitationJournal: Proc.Natl.Acad.Sci.USA / Year: 2024
Title: Capturing a methanogenic carbon monoxide dehydrogenase/acetyl-CoA synthase complex via cryogenic electron microscopy.
Authors: Biester A / Grahame DA / Drennan CL
History
DepositionMay 27, 2024-
Header (metadata) releaseOct 16, 2024-
Map releaseOct 16, 2024-
UpdateOct 16, 2024-
Current statusOct 16, 2024Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_45089.png

Downloads & links

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Map

FileDownload / File: emd_45089.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationCarbon monoxide dehydrogenase (CODH) from Methanosarcina thermophila, specimen prepared on blot plunger
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.17 Å/pix.
x 256 pix.
= 299.52 Å		1.17 Å/pix.
x 256 pix.
= 299.52 Å		1.17 Å/pix.
x 256 pix.
= 299.52 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.17 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.015
Minimum - Maximum-0.06221519 - 0.115235634
Average (Standard dev.)0.00008362067 (±0.00228441)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 299.52 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_45089_msk_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Half Map B

Fileemd_45089_half_map_1.map
AnnotationHalf Map B
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: Half Map A

Fileemd_45089_half_map_2.map
AnnotationHalf Map A
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Acetyl-CoA decarbonylase/synthase complex

EntireName: Acetyl-CoA decarbonylase/synthase complex
Components
  • Complex: Acetyl-CoA decarbonylase/synthase complex
    • Protein or peptide: Acetyl-CoA decarbonylase/synthase complex subunit alpha 2
    • Protein or peptide: Acetyl-CoA decarbonylase/synthase complex subunit epsilon 2
  • Ligand: IRON/SULFUR CLUSTER
  • Ligand: Fe(3)-Ni(1)-S(4) cluster

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Supramolecule #1: Acetyl-CoA decarbonylase/synthase complex

SupramoleculeName: Acetyl-CoA decarbonylase/synthase complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2
Details: Carbon monoxide dehydrogenase heterotetramer, alpha and epsilon subunits
Source (natural)Organism: Methanosarcina thermophila (archaea)
Molecular weightTheoretical: 212 KDa

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Macromolecule #1: Acetyl-CoA decarbonylase/synthase complex subunit alpha 2

MacromoleculeName: Acetyl-CoA decarbonylase/synthase complex subunit alpha 2
type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO / EC number: anaerobic carbon monoxide dehydrogenase
Source (natural)Organism: Methanosarcina thermophila (archaea)
Molecular weightTheoretical: 87.855852 KDa
SequenceString: MSKLTTGSFS IEDLESVQIT INNIVGAAKE AAEKAEEELG PMGPTPFPTA ATVRDWSFTL FDRYEPVYTP MCDQCCYCTF GPCNLEGNR RGACGLDMKG QAAREFFLRC ITGCACHSAH GRHLLDHIIS IFGEDMPINM GASNVIAPNI QLITGRQPKT L GDLKPIME ...String:
MSKLTTGSFS IEDLESVQIT INNIVGAAKE AAEKAEEELG PMGPTPFPTA ATVRDWSFTL FDRYEPVYTP MCDQCCYCTF GPCNLEGNR RGACGLDMKG QAAREFFLRC ITGCACHSAH GRHLLDHIIS IFGEDMPINM GASNVIAPNI QLITGRQPKT L GDLKPIME YVEEELGQLL ATVHAGQEGA AIDYDNKAML AGILDHVGME VSDIAQVTAL GFPKSDPEAP LVEVGMGTLD AS KPVIIAI GHNVAGVTYI MDYMEDNNLT DKMEIGGLCC TAFDMTRYKR EDRKPPYAKI VGTISKELKV VRSGIPDVIV IDE QCVRAD LVEEGKKLKI PVIASNEKVM YGLPDRTNDD VDAIIEDIKT GKIPGCVMLD YEKLGELVPR LAMEMAPLRE GISA IPSDE EMASLVAKCV ACGECALACP EELDIPDAIQ AAKEGDFTAL DFLHDLCVGC RRCEQVCNKE IPILSVIDKA AQKAI AEEK GLVRAGRGQV SDAEIRAEGL NLVMGTTPGV IAIIGCANYP AGSKDVYRIA EEFLNRNYIV AVSGCSAMDI GMYKDA DGK TLYERFPGRF ERGNILNTGS CVSNSHISGT CHKVAAIFAG RNLSGNLAEI ADYTLNRVGA VGLAWGAYSQ KAAAIGT GC NMYGIPAVLG PHSGKYRRAL IAKTYDENKW KVYDSRNGSE LDIPPSPEFL ITTAETWQEA CVLLAKNCIR PSDNNMGR S IKLTHWIELS EKYLGVLPED WWKFVRHEAD LPLSRREELL KKLETEHGWE IDWKKKKIIS GPKIKFDVSS QPTNLKRLC KEA

UniProtKB: Acetyl-CoA decarbonylase/synthase complex subunit alpha 2

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Macromolecule #2: Acetyl-CoA decarbonylase/synthase complex subunit epsilon 2

MacromoleculeName: Acetyl-CoA decarbonylase/synthase complex subunit epsilon 2
type: protein_or_peptide / ID: 2 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Methanosarcina thermophila (archaea)
Molecular weightTheoretical: 18.587375 KDa
SequenceString:
MVDTTKNTKL FTSYGVKTSK AITTEVAAKL ISKAKRPLFV VGTGVLDPEL LDRAVKIAKA KNIPIAATGS SMPGFVDKDV NAKYINLHQ LGFYLTDPDW PGLDGNGNYD TIILLGHKKY YINQVLSAVK NFSDVKSISI DRNYIQNATM SFGNLSKADH I AALDEVID LL

UniProtKB: Acetyl-CoA decarbonylase/synthase complex subunit epsilon 2

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Macromolecule #3: IRON/SULFUR CLUSTER

MacromoleculeName: IRON/SULFUR CLUSTER / type: ligand / ID: 3 / Number of copies: 7 / Formula: SF4
Molecular weightTheoretical: 351.64 Da
Chemical component information

ChemComp-FS1:
IRON/SULFUR CLUSTER

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Macromolecule #4: Fe(3)-Ni(1)-S(4) cluster

MacromoleculeName: Fe(3)-Ni(1)-S(4) cluster / type: ligand / ID: 4 / Number of copies: 2 / Formula: RQM
Molecular weightTheoretical: 410.333 Da
Chemical component information

ChemComp-RQM:
Fe(3)-Ni(1)-S(4) cluster

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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

Concentration1 mg/mL
BufferpH: 7.2
Component:
ConcentrationFormulaName
25.0 mMC7H15NO4SMOPS
25.0 mMNa2SO4Sodium sulfate
GridModel: Quantifoil R1.2/1.3 / Material: COPPER / Mesh: 300
VitrificationCryogen name: ETHANE / Chamber humidity: 80 % / Chamber temperature: 298 K / Instrument: GATAN CRYOPLUNGE 3

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Electron microscopy

MicroscopeFEI TITAN KRIOS
SoftwareName: EPU
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 54.53 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsC2 aperture diameter: 50.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 2.1 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

Particle selectionNumber selected: 852015
Startup modelType of model: NONE / Details: Ab-initio reconstruction
Final reconstructionNumber classes used: 1 / Applied symmetry - Point group: C2 (2 fold cyclic) / Resolution.type: BY AUTHOR / Resolution: 3.3 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION (ver. 4.0) / Number images used: 99894
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC (ver. 3.3.2)
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: RELION (ver. 4.0)
Final 3D classificationNumber classes: 4 / Avg.num./class: 35319 / Software - Name: RELION (ver. 4.0)
FSC plot (resolution estimation)

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Atomic model buiding 1

Initial modelChain - Source name: AlphaFold / Chain - Initial model type: in silico model
SoftwareName: Coot (ver. 0.9.8.92)
DetailsInitial model was generated using AlphaFold, fit to the map using ChimeraX, followed by rigid body fitting in phenix, and finally iterative real space refinement in coot and phenix.
RefinementSpace: REAL / Overall B value: 90.5204 / Target criteria: Correlation coefficient
Output model

PDB-9c0q:
Carbon monoxide dehydrogenase (CODH) from Methanosarcina thermophila, specimen prepared on blot plunger

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