5ODH | pdb_00005odh

Heterodisulfide reductase / [NiFe]-hydrogenase complex from Methanothermococcus thermolithotrophicus soaked with heterodisulfide for 3.5 minutes


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Free: 
    0.245 (Depositor), 0.247 (DCC) 
  • R-Value Work: 
    0.214 (Depositor), 0.218 (DCC) 
  • R-Value Observed: 
    0.215 (Depositor) 

Starting Model: experimental
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Ligand Structure Quality Assessment 


This is version 1.2 of the entry. See complete history

Literature

Methanogenic heterodisulfide reductase (HdrABC-MvhAGD) uses two noncubane [4Fe-4S] clusters for reduction.

Wagner, T.Koch, J.Ermler, U.Shima, S.

(2017) Science 357: 699-703

  • DOI: https://doi.org/10.1126/science.aan0425
  • Primary Citation Related Structures: 
    5ODC, 5ODH, 5ODI, 5ODQ, 5ODR

  • PubMed Abstract: 

    In methanogenic archaea, the carbon dioxide (CO 2 ) fixation and methane-forming steps are linked through the heterodisulfide reductase (HdrABC)-[NiFe]-hydrogenase (MvhAGD) complex that uses flavin-based electron bifurcation to reduce ferredoxin and the heterodisulfide of coenzymes M and B. Here, we present the structure of the native heterododecameric HdrABC-MvhAGD complex at 2.15-angstrom resolution. HdrB contains two noncubane [4Fe-4S] clusters composed of fused [3Fe-4S]-[2Fe-2S] units sharing 1 iron (Fe) and 1 sulfur (S), which were coordinated at the CCG motifs. Soaking experiments showed that the heterodisulfide is clamped between the two noncubane [4Fe-4S] clusters and homolytically cleaved, forming coenzyme M and B bound to each iron. Coenzymes are consecutively released upon one-by-one electron transfer. The HdrABC-MvhAGD atomic model serves as a structural template for numerous HdrABC homologs involved in diverse microbial metabolic pathways.


  • Organizational Affiliation
    • Max Planck Institute for Terrestrial Microbiology, Karl-von-Frisch-Straße 10, 35043 Marburg, Germany.

Macromolecule Content 

  • Total Structure Weight: 467.28 kDa 
  • Atom Count: 32,106 
  • Modeled Residue Count: 4,019 
  • Deposited Residue Count: 4,082 
  • Unique protein chains: 6

Macromolecules

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Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
Heterodisulfide reductase, subunit A
A, G
654Methanothermococcus thermolithotrophicus DSM 2095Mutation(s): 0 
EC: 1.8
UniProt
Find proteins for A0A2D0TCB9 (Methanothermococcus thermolithotrophicus DSM 2095)
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Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupA0A2D0TCB9
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Reference Sequence
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Entity ID: 2
MoleculeChains  Sequence LengthOrganismDetailsImage
Heterodisulfide reductase, subunit B
B, H
291Methanothermococcus thermolithotrophicus DSM 2095Mutation(s): 0 
EC: 1.8.98.1
UniProt
Find proteins for A0A2D0TCB4 (Methanothermococcus thermolithotrophicus DSM 2095)
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UniProt GroupA0A2D0TCB4
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Reference Sequence
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Entity ID: 3
MoleculeChains  Sequence LengthOrganismDetailsImage
Heterodisulfide reductase, subunit C
C, I
184Methanothermococcus thermolithotrophicus DSM 2095Mutation(s): 0 
EC: 1.8.98.1
UniProt
Find proteins for A0A2D0TC97 (Methanothermococcus thermolithotrophicus DSM 2095)
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UniProt GroupA0A2D0TC97
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Reference Sequence
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Entity ID: 4
MoleculeChains  Sequence LengthOrganismDetailsImage
Methyl-viologen reducing hydrogenase, subunit D
D, J
140Methanothermococcus thermolithotrophicus DSM 2095Mutation(s): 0 
EC: 1.8.98.1
UniProt
Find proteins for A0A2D0TC98 (Methanothermococcus thermolithotrophicus DSM 2095)
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Reference Sequence
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Entity ID: 5
MoleculeChains  Sequence LengthOrganismDetailsImage
Methyl-viologen reducing hydrogenase, subunit G
E, K
299Methanothermococcus thermolithotrophicus DSM 2095Mutation(s): 0 
EC: 1.12.1.2 (PDB Primary Data), 1.12.99.6 (UniProt)
UniProt
Find proteins for A0A2D0TC99 (Methanothermococcus thermolithotrophicus DSM 2095)
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Reference Sequence
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Entity ID: 6
MoleculeChains  Sequence LengthOrganismDetailsImage
Methyl-viologen reducing hydrogenase, subunit A
F, L
473Methanothermococcus thermolithotrophicus DSM 2095Mutation(s): 0 
EC: 1.12.1.2 (PDB Primary Data), 1.12.99.6 (UniProt)
UniProt
Find proteins for A0A2D0TCA6 (Methanothermococcus thermolithotrophicus DSM 2095)
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UniProt GroupA0A2D0TCA6
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Reference Sequence

Small Molecules

Ligands 12 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
FAD

Query on FAD



Download:Ideal Coordinates CCD File
U [auth A],
WA [auth G]
FLAVIN-ADENINE DINUCLEOTIDE
C27 H33 N9 O15 P2
VWWQXMAJTJZDQX-UYBVJOGSSA-N
PE3

Query on PE3



Download:Ideal Coordinates CCD File
IA [auth F],
IB [auth L],
JA [auth F],
T [auth A]
3,6,9,12,15,18,21,24,27,30,33,36,39-TRIDECAOXAHENTETRACONTANE-1,41-DIOL
C28 H58 O15
ILLKMACMBHTSHP-UHFFFAOYSA-N
9S8

Query on 9S8



Download:Ideal Coordinates CCD File
V [auth B],
W [auth B],
XA [auth H],
YA [auth H]
Non-cubane [4Fe-4S]-cluster
Fe4 S4
LJBDFODJNLIPKO-UHFFFAOYSA-N
SF4

Query on SF4



Download:Ideal Coordinates CCD File
AA [auth C]
BA [auth C]
BB [auth I]
CB [auth I]
EA [auth E]
AA [auth C],
BA [auth C],
BB [auth I],
CB [auth I],
EA [auth E],
EB [auth K],
FA [auth E],
FB [auth K],
GA [auth E],
GB [auth K],
M [auth A],
MA [auth G],
N [auth A],
NA [auth G],
O [auth A],
OA [auth G],
P [auth A],
PA [auth G],
Q [auth A],
QA [auth G],
R [auth A],
RA [auth G]
IRON/SULFUR CLUSTER
Fe4 S4
LJBDFODJNLIPKO-UHFFFAOYSA-N
TP7

Query on TP7



Download:Ideal Coordinates CCD File
AB [auth H]Coenzyme B
C11 H22 N O7 P S
JBJSVEVEEGOEBZ-SCZZXKLOSA-N
NFU

Query on NFU



Download:Ideal Coordinates CCD File
JB [auth L],
KA [auth F]
formyl[bis(hydrocyanato-1kappaC)]ironnickel(Fe-Ni)
C3 H Fe N2 Ni O
QCZROEOIPZWDEO-UHFFFAOYSA-N
FES

Query on FES



Download:Ideal Coordinates CCD File
CA [auth D],
DB [auth J]
FE2/S2 (INORGANIC) CLUSTER
Fe2 S2
NIXDOXVAJZFRNF-UHFFFAOYSA-N
COM

Query on COM



Download:Ideal Coordinates CCD File
X [auth B],
ZA [auth H]
1-THIOETHANESULFONIC ACID
C2 H6 O3 S2
ZNEWHQLOPFWXOF-UHFFFAOYSA-N
TRS

Query on TRS



Download:Ideal Coordinates CCD File
DA [auth D]2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL
C4 H12 N O3
LENZDBCJOHFCAS-UHFFFAOYSA-O
GOL

Query on GOL



Download:Ideal Coordinates CCD File
HA [auth E]
HB [auth K]
S [auth A]
SA [auth G]
Y [auth B]
HA [auth E],
HB [auth K],
S [auth A],
SA [auth G],
Y [auth B],
Z [auth B]
GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
ACT

Query on ACT



Download:Ideal Coordinates CCD File
UA [auth G],
VA [auth G]
ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
FE

Query on FE



Download:Ideal Coordinates CCD File
KB [auth L],
LA [auth F],
TA [auth G]
FE (III) ION
Fe
VTLYFUHAOXGGBS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.20 Å
  • R-Value Free:  0.245 (Depositor), 0.247 (DCC) 
  • R-Value Work:  0.214 (Depositor), 0.218 (DCC) 
  • R-Value Observed: 0.215 (Depositor) 
Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 366.381α = 90
b = 97.104β = 108.43
c = 133.974γ = 90
Software Package:
Software NamePurpose
PHENIXrefinement
XDSdata reduction
SCALAdata scaling
PHASERphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2017-08-30
    Type: Initial release
  • Version 1.1: 2024-01-17
    Changes: Data collection, Database references, Derived calculations, Refinement description
  • Version 1.2: 2024-10-23
    Changes: Structure summary