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Yorodumi- EMDB-55296: Structure of the MvhAGD-HdrABC dimer of M. marburgensis under sta... -
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Open data
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Basic information
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| Title | Structure of the MvhAGD-HdrABC dimer of M. marburgensis under state 2 substate b (composite structure) | |||||||||
Map data | Composite map of the dimeric structure of MvhAGD-HdrABC in M. marburgensis, under state 2 substate b | |||||||||
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Keywords | Oxidoreductase / hydrogenase / dehydrogenase / polyferredoxin | |||||||||
| Function / homology | Function and homology informationOxidoreductases; Acting on hydrogen as donor; With unknown physiological acceptors / H2:CoB-CoM heterodisulfide,ferredoxin reductase / CoB--CoM heterodisulfide reductase activity / methanogenesis / ferredoxin hydrogenase activity / nickel cation binding / iron-sulfur cluster binding / 2 iron, 2 sulfur cluster binding / 4 iron, 4 sulfur cluster binding / oxidoreductase activity ...Oxidoreductases; Acting on hydrogen as donor; With unknown physiological acceptors / H2:CoB-CoM heterodisulfide,ferredoxin reductase / CoB--CoM heterodisulfide reductase activity / methanogenesis / ferredoxin hydrogenase activity / nickel cation binding / iron-sulfur cluster binding / 2 iron, 2 sulfur cluster binding / 4 iron, 4 sulfur cluster binding / oxidoreductase activity / membrane / metal ion binding / plasma membrane Similarity search - Function | |||||||||
| Biological species | ![]() Methanothermobacter marburgensis (archaea) | |||||||||
| Method | single particle reconstruction / cryo EM / Resolution: 3.25 Å | |||||||||
Authors | San Segundo-Acosta P / Murphy BJ | |||||||||
| Funding support | Germany, 1 items
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Citation | Journal: Science Advances / Year: 2026Title: Diversity of electron-bifurcating CO2-fixing supercomplexes in methanogens Authors: San Segundo-Acosta P / Nomura S / Fernandes-Queiroz JP / Protasov E / Kahnt J / Kaneko M / Hochberg G / Shima S / Murphy BJ | |||||||||
| History |
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Structure visualization
| Supplemental images |
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Downloads & links
-EMDB archive
| Map data | emd_55296.map.gz | 369.7 MB | EMDB map data format | |
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| Header (meta data) | emd-55296-v30.xml emd-55296.xml | 23.1 KB 23.1 KB | Display Display | EMDB header |
| Images | emd_55296.png | 63.6 KB | ||
| Filedesc metadata | emd-55296.cif.gz | 7.9 KB | ||
| Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-55296 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-55296 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 9sw3MC ![]() 9sw2C ![]() 9sw4C ![]() 9sw5C ![]() 9sw6C C: citing same article ( M: atomic model generated by this map |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Links
| EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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| Related items in Molecule of the Month |
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Map
| File | Download / File: emd_55296.map.gz / Format: CCP4 / Size: 421.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||
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| Annotation | Composite map of the dimeric structure of MvhAGD-HdrABC in M. marburgensis, under state 2 substate b | ||||||||||||||||||||||||||||||||||||
| Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||
| Voxel size | X=Y=Z: 0.83563 Å | ||||||||||||||||||||||||||||||||||||
| Density |
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| Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||
| Details | EMDB XML:
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-Supplemental data
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Sample components
+Entire : FmdABCGF region of the (MvhABGD-HdrABC)2-(FmdABCDG)4 flavin-bifur...
+Supramolecule #1: FmdABCGF region of the (MvhABGD-HdrABC)2-(FmdABCDG)4 flavin-bifur...
+Macromolecule #1: H(2):CoB-CoM heterodisulfide,ferredoxin reductase subunit A
+Macromolecule #2: H(2):CoB-CoM heterodisulfide,ferredoxin reductase subunit B
+Macromolecule #3: H(2):CoB-CoM heterodisulfide,ferredoxin reductase subunit C
+Macromolecule #4: F420-non-reducing hydrogenase iron-sulfur subunit D
+Macromolecule #5: F420-non-reducing hydrogenase subunit G
+Macromolecule #6: F420-non-reducing hydrogenase subunit A
+Macromolecule #7: IRON/SULFUR CLUSTER
+Macromolecule #8: FLAVIN-ADENINE DINUCLEOTIDE
+Macromolecule #9: Non-cubane [4Fe-4S]-cluster
+Macromolecule #10: FE2/S2 (INORGANIC) CLUSTER
+Macromolecule #11: formyl[bis(hydrocyanato-1kappaC)]ironnickel(Fe-Ni)
-Experimental details
-Structure determination
| Method | cryo EM |
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Processing | single particle reconstruction |
| Aggregation state | particle |
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Sample preparation
| Concentration | 1.2 mg/mL |
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| Buffer | pH: 7.6 |
| Vitrification | Cryogen name: ETHANE / Instrument: FEI VITROBOT MARK IV |
| Details | The buffer is pH 7.6 100 mM sodium phosphate with 150 mM NaCl, and containing 2 mM DTT |
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Electron microscopy
| Microscope | TFS KRIOS |
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| Specialist optics | Energy filter - Name: TFS Selectris X |
| Image recording | Film or detector model: FEI FALCON IV (4k x 4k) / Number grids imaged: 2 / Number real images: 18777 / Average exposure time: 3.55 sec. / Average electron dose: 60.0 e/Å2 |
| Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
| Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.4 µm / Nominal defocus min: 0.7000000000000001 µm |
| Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN |
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
-Atomic model buiding 1
| Initial model | Chain - Source name: Other / Chain - Initial model type: other / Details: Generated using ModelAngelo |
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| Refinement | Space: REAL / Protocol: RIGID BODY FIT |
| Output model | ![]() PDB-9sw3: |
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About Yorodumi



Keywords
Methanothermobacter marburgensis (archaea)
Authors
Germany, 1 items
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Z (Sec.)
Y (Row.)
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FIELD EMISSION GUN
