AdhE spirosome in extended conformation

Experimental Data Snapshot

  • Resolution: 3.45 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

wwPDB Validation   3D Report Full Report

This is version 1.0 of the entry. See complete history


Aldehyde-alcohol dehydrogenase undergoes structural transition to form extended spirosomes for substrate channeling.

Kim, G.Yang, J.Jang, J.Choi, J.S.Roe, A.J.Byron, O.Seok, C.Song, J.J.

(2020) Commun Biol 3: 298-298

  • DOI: https://doi.org/10.1038/s42003-020-1030-1
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 

    Aldehyde-alcohol dehydrogenase (AdhE) is an enzyme responsible for converting acetyl-CoA to ethanol via acetaldehyde using NADH. AdhE is composed of two catalytic domains of aldehyde dehydrogenase (ALDH) and alcohol dehydrogenase (ADH), and forms a spirosome architecture critical for AdhE activity. Here, we present the atomic resolution (3.43 Å) cryo-EM structure of AdhE spirosomes in an extended conformation. The cryo-EM structure shows that AdhE spirosomes undergo a structural transition from compact to extended forms, which may result from cofactor binding. This transition leads to access to a substrate channel between ALDH and ADH active sites. Furthermore, prevention of this structural transition by crosslinking hampers the activity of AdhE, suggesting that the structural transition is important for AdhE activity. This work provides a mechanistic understanding of the regulation mechanisms of AdhE activity via structural transition, and a platform to modulate AdhE activity for developing antibiotics and for facilitating biofuel production.

  • Organizational Affiliation

    Department of Chemistry, Seoul National University, Seoul, 08826, Korea.

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Aldehyde-alcohol dehydrogenase
A, B, C, D, E
A, B, C, D, E, F
893Escherichia coli K-12Mutation(s): 0 
Gene Names: adhEanab1241JW1228
EC: (PDB Primary Data), (PDB Primary Data)
Find proteins for P0A9Q7 (Escherichia coli (strain K12))
Explore P0A9Q7 
Go to UniProtKB:  P0A9Q7
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP0A9Q7
Sequence Annotations
  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
NAD (Subject of Investigation/LOI)
Query on NAD

Download Ideal Coordinates CCD File 
G [auth A]
H [auth A]
J [auth B]
K [auth B]
M [auth C]
G [auth A],
H [auth A],
J [auth B],
K [auth B],
M [auth C],
N [auth C],
P [auth D],
Q [auth D],
S [auth E],
T [auth E],
V [auth F],
W [auth F]
C21 H27 N7 O14 P2
ZN (Subject of Investigation/LOI)
Query on ZN

Download Ideal Coordinates CCD File 
I [auth A]
L [auth B]
O [auth C]
R [auth D]
U [auth E]
I [auth A],
L [auth B],
O [auth C],
R [auth D],
U [auth E],
X [auth F]
Experimental Data & Validation

Experimental Data

  • Resolution: 3.45 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Funding OrganizationLocationGrant Number
National Research Foundation (NRF, Korea)Korea, Republic Of2020R1A2B5B03001517
National Research Foundation (NRF, Korea)Korea, Republic Of2016K1A1A2912057

Revision History  (Full details and data files)

  • Version 1.0: 2020-06-24
    Type: Initial release