7XPM | pdb_00007xpm

Ancestral ADH WT

• PDB DOI: https://doi.org/10.2210/pdb7XPM/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Escherichia coli
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2022-05-04 Released: 2023-11-08 
• Deposition Author(s): Chen, X.Y., Xu, G.C., Ni, Y.
• Funding Organization(s): National Science Foundation (NSF, China)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.35 Å
• R-Value Free: 
  0.260 (Depositor), 0.260 (DCC) 
• R-Value Work: 
  0.218 (Depositor), 0.218 (DCC) 
• R-Value Observed: 
  0.220 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of a versatile ancestral ADH with high activity and thermostability

Chen, X.Y., Xu, G.C., Ni, Y.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 39.02 kDa 
• Atom Count: 2,593 
• Modeled Residue Count: 316 
• Deposited Residue Count: 345 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
A64	A	345	Escherichia coli	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO (Subject of Investigation/LOI)	B [auth A], C [auth A], D [auth A], E [auth A], F [auth A], G [auth A], H [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.35 Å
• R-Value Free:  0.260 (Depositor), 0.260 (DCC) 
• R-Value Work:  0.218 (Depositor), 0.218 (DCC) 
• R-Value Observed: 0.220 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 113.725	α = 90
b = 51.792	β = 128.35
c = 74.22	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2023-11-08 
Deposition Author(s): Chen, X.Y., Xu, G.C., Ni, Y.

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Funding Organization	Location	Grant Number
National Science Foundation (NSF, China)	China	22078127

Revision History  

• Version 1.0: 2023-11-08
  Type: Initial release
  
• Version 1.1: 2026-03-04
  Changes: Refinement description, Structure summary