1WA4

Crystal structure of the M131F L135A EvaD double mutant

• PDB DOI: https://doi.org/10.2210/pdb1WA4/pdb

• Classification: EPIMERASE
• Organism(s): Amycolatopsis orientalis
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2004-10-22 Released: 2007-01-30 
• Deposition Author(s): Merkel, A.B., Naismith, J.H.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 
  0.248 (Depositor), 0.250 (DCC) 
• R-Value Work: 
  0.176 (Depositor), 0.190 (DCC) 
• R-Value Observed: 
  0.180 (Depositor) 

Starting Model: experimental

Literature

Crystal Structure of the M131F L135A Evad Double Mutant

Merkel, A.B., Naismith, J.H.

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 and generated by PQS (software)

Macromolecule Content

• Total Structure Weight: 22.76 kDa 
• Atom Count: 1,691 
• Modelled Residue Count: 205 
• Deposited Residue Count: 205 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PCZA361.16	A	205	Amycolatopsis orientalis	Mutation(s): 2
UniProt
Find proteins for O52806 (Amycolatopsis orientalis) Explore O52806  Go to UniProtKB:  O52806

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	B [auth A], C [auth A], D [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free:  0.248 (Depositor), 0.250 (DCC) 
• R-Value Work:  0.176 (Depositor), 0.190 (DCC) 
• R-Value Observed: 0.180 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.632	α = 90
b = 79.101	β = 98.75
c = 48.777	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
d*TREK	data reduction
d*TREK	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-01-30 
Deposition Author(s): Merkel, A.B., Naismith, J.H.

Revision History  

• Version 1.0: 2007-01-30
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2017-07-05
  Changes: Data collection
• Version 1.4: 2023-12-13
  Changes: Data collection, Database references, Other, Refinement description