1ML8 | pdb_00001ml8

structural genomics

• PDB DOI: https://doi.org/10.2210/pdb1ML8/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Escherichia coli
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2002-08-30 Released: 2003-04-22 
• Deposition Author(s): Korolev, S., Skarina, T., Joachimiak, A., Edwards, A., Savchenko, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 
  0.268 (Depositor), 0.252 (DCC) 
• R-Value Work: 
  0.228 (Depositor), 0.220 (DCC) 
• R-Value Observed: 
  0.230 (Depositor) 

Literature

Structural genomics

Korolev, S., Skarina, T., Joachimiak, A., Edwards, A., Savchenko, A.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 14.52 kDa 
• Atom Count: 964 
• Modeled Residue Count: 131 
• Deposited Residue Count: 134 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
hypothetical protein (crp region)	A	134	Escherichia coli	Mutation(s): 0
UniProt
Find proteins for P0ADX1 (Escherichia coli (strain K12)) Explore P0ADX1  Go to UniProtKB:  P0ADX1

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free:  0.268 (Depositor), 0.252 (DCC) 
• R-Value Work:  0.228 (Depositor), 0.220 (DCC) 
• R-Value Observed: 0.230 (Depositor) 

Space Group: P 6₄ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 76.352	α = 90
b = 76.352	β = 90
c = 107.4	γ = 120

Software Package:

Software Name	Purpose
d*TREK	data scaling
HKL-2000	data collection
SCALEPACK	data scaling
SOLVE	phasing
REFMAC	refinement
d*TREK	data reduction
HKL-2000	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-04-22 
Deposition Author(s): Korolev, S., Skarina, T., Joachimiak, A., Edwards, A., Savchenko, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2003-04-22
  Type: Initial release
  
• Version 1.1: 2008-04-28
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.3: 2017-10-11
  Changes: Refinement description
• Version 1.4: 2024-10-30
  Changes: Data collection, Database references, Structure summary
• Version 1.5: 2026-02-11
  Changes: Data collection