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Structure paper

TitleDiversity of electron-bifurcating CO2-fixing supercomplexes in methanogens
Journal, issue, pagesScience Advances, Year 2026
Publish dateOct 3, 2025 (structure data deposition date)
AuthorsSan Segundo-Acosta P / Nomura S / Fernandes-Queiroz JP / Protasov E / Kahnt J / Kaneko M / Hochberg G / Shima S / Murphy BJ
External linksSearch PubMed
MethodsEM (single particle)
Resolution2.02 - 3.42 Å
Structure data

EMDB-55269: Focused map of the FmdABCFG(1) unit of the Mvh-Hdr-Fmd complex of M. marburgensis
Method: EM (single particle) / Resolution: 2.02 Å

EMDB-55270: Focused map of the MvhB subunit of the Mvh-Hdr-Fmd complex of M. marburgensis
Method: EM (single particle) / Resolution: 2.47 Å

EMDB-55271: Focused map of the FmdABCFG(2) unit of the Mvh-Hdr-Fmd complex of M. marburgensis
Method: EM (single particle) / Resolution: 2.19 Å

EMDB-55272: Focused map of the FmdF dimer unit of the Mvh-Hdr-Fmd complex of M. marburgensis
Method: EM (single particle) / Resolution: 2.12 Å

EMDB-55273: Focused map of the C-terminus of the MvhB subunit of the Mvh-Hdr-Fmd complex of M. marburgensis
Method: EM (single particle) / Resolution: 2.82 Å

EMDB-55274: Consensus map of the mobile arm under state 2 substate a of M. marburgensis
Method: EM (single particle) / Resolution: 2.19 Å

EMDB-55275: MvhAGD-focused map of the mobile arm under state 2 substate b of M. marburgensis
Method: EM (single particle) / Resolution: 2.94 Å

EMDB-55276: HdrA-focused map of the mobile arm under state 2 substate b of M. marburgensis
Method: EM (single particle) / Resolution: 2.94 Å

EMDB-55277: HdrBC-focused map of the mobile arm under state 2 substate b of M. marburgensis
Method: EM (single particle) / Resolution: 3.07 Å

EMDB-55278: Consensus map of the mobile arm under state 2 substate b of M. marburgensis
Method: EM (single particle) / Resolution: 3.04 Å

EMDB-55279: HdrBC-focused map of the mobile arm under state 1 substate a of M. marburgensis
Method: EM (single particle) / Resolution: 3.42 Å

EMDB-55280: MvhAGD-focused map of the mobile arm under state 1 substate a of M. marburgensis
Method: EM (single particle) / Resolution: 2.9 Å

EMDB-55281: HdrA-focused map of the mobile arm under state 1 substate a of M. marburgensis
Method: EM (single particle) / Resolution: 2.8 Å

EMDB-55282: MvhAGD-focused map of the mobile arm under state 1 substate b of M. marburgensis
Method: EM (single particle) / Resolution: 2.83 Å

EMDB-55283: HdrA-focused map of the mobile arm under state 1 substate b of M. marburgensis
Method: EM (single particle) / Resolution: 2.82 Å

EMDB-55284: Consensus map of the mobile arm under state 1 substate b of M. marburgensis
Method: EM (single particle) / Resolution: 3.14 Å

EMDB-55285: HdrBC-focused map of the mobile arm under state 1 substate b of M. marburgensis
Method: EM (single particle) / Resolution: 3.18 Å

EMDB-55286: HdrBC-focused map of the mobile arm under state 2 substate a of M. marburgensis
Method: EM (single particle) / Resolution: 2.13 Å

EMDB-55287: MvhAGD-focused map of the mobile arm under state 2 substate a of M. marburgensis
Method: EM (single particle) / Resolution: 2.2 Å

EMDB-55288: HdrA-focused map of the mobile arm under state 2 substate a of M. marburgensis
Method: EM (single particle) / Resolution: 2.98 Å

EMDB-55289: Consensus map of the mobile arm under state 1 substate a of M. marburgensis
Method: EM (single particle) / Resolution: 2.88 Å

EMDB-55294: Consensus low resolution map of the flavin-bifurcating CO2-fixing Mvh-Hdr-Fmd supercomplex from Methanothermobacter marburgensis
Method: EM (single particle) / Resolution: 2.6 Å

55295

9sw2

EMDB-55295, PDB-9sw2:
Structure of the MvhAGD-HdrABC dimer of M. marburgensis under state 2 substate a (composite structure)
Method: EM (single particle) / Resolution: 2.19 Å

55296

9sw3

EMDB-55296, PDB-9sw3:
Structure of the MvhAGD-HdrABC dimer of M. marburgensis under state 2 substate b (composite structure)
Method: EM (single particle) / Resolution: 3.25 Å

55297

9sw4

EMDB-55297, PDB-9sw4:
Structure of the MvhAGD-HdrABC dimer of M. marburgensis under state 1 substate a (composite structure)
Method: EM (single particle) / Resolution: 2.9 Å

55298

9sw5

EMDB-55298, PDB-9sw5:
Structure of the MvhAGD-HdrABC dimer of M. marburgensis under state 1 substate b (composite structure)
Method: EM (single particle) / Resolution: 3.29 Å

55299

9sw6

EMDB-55299, PDB-9sw6:
Structure of the Mvh-Hdr-Fmd complex of Methanothermobacter marburgensis (composite structure)
Method: EM (single particle) / Resolution: 2.7 Å

Chemicals

ChemComp-SF4:
IRON/SULFUR CLUSTER

ChemComp-FAD:
FLAVIN-ADENINE DINUCLEOTIDE / FAD*YM

ChemComp-9S8:
Non-cubane [4Fe-4S]-cluster

ChemComp-FES:
FE2/S2 (INORGANIC) CLUSTER

ChemComp-NFU:
formyl[bis(hydrocyanato-1kappaC)]ironnickel(Fe-Ni)

ChemComp-HOH:
WATER

ChemComp-ZN:
Unknown entry

ChemComp-MGD:
2-AMINO-5,6-DIMERCAPTO-7-METHYL-3,7,8A,9-TETRAHYDRO-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-4-ONE GUANOSINE DINUCLEOTIDE

ChemComp-MO:
MOLYBDENUM ATOM

ChemComp-H2S:
HYDROSULFURIC ACID

ChemComp-F3S:
FE3-S4 CLUSTER

Source
  • methanothermobacter marburgensis (archaea)
  • methanothermobacter marburgensis str. marburg (archaea)
KeywordsOXIDOREDUCTASE / hydrogenase / dehydrogenase / polyferredoxin

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