2XFW

Structure of the E192N mutant of E. coli N-acetylneuraminic acid lyase in complex with pyruvate in crystal form III


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Free: 0.182 
  • R-Value Work: 0.156 
  • R-Value Observed: 0.158 

Starting Model: experimental
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wwPDB Validation   3D Report Full Report


This is version 2.2 of the entry. See complete history


Literature

Structural Insights Into Substrate Specificity in Variants of N-Acetylneuraminic Acid Lyase Produced by Directed Evolution.

Campeotto, I.Bolt, A.H.Harman, T.A.Dennis, C.Trinh, C.H.Phillips, S.E.V.Nelson, A.Pearson, A.R.Berry, A.

To be published.

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
N-ACETYLNEURAMINIC ACID LYASE
A, B, C, D
304Escherichia coliMutation(s): 1 
EC: 4.1.3.3
UniProt
Find proteins for P0A6L4 (Escherichia coli (strain K12))
Explore P0A6L4 
Go to UniProtKB:  P0A6L4
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP0A6L4
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
1PE
Query on 1PE

Download Ideal Coordinates CCD File 
F [auth A],
G [auth A],
M [auth D],
N [auth D]
PENTAETHYLENE GLYCOL
C10 H22 O6
JLFNLZLINWHATN-UHFFFAOYSA-N
PYR
Query on PYR

Download Ideal Coordinates CCD File 
E [auth A]
H [auth B]
I [auth C]
J [auth C]
K [auth C]
E [auth A],
H [auth B],
I [auth C],
J [auth C],
K [auth C],
L [auth D]
PYRUVIC ACID
C3 H4 O3
LCTONWCANYUPML-UHFFFAOYSA-N
Modified Residues  1 Unique
IDChains TypeFormula2D DiagramParent
KPI
Query on KPI
A, B, C, D
L-PEPTIDE LINKINGC9 H16 N2 O4LYS
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.65 Å
  • R-Value Free: 0.182 
  • R-Value Work: 0.156 
  • R-Value Observed: 0.158 
  • Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 78.11α = 90
b = 116.53β = 117.95
c = 83.74γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling
MOLREPphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2010-09-22
    Type: Initial release
  • Version 1.1: 2013-03-13
    Changes: Structure summary
  • Version 2.0: 2023-11-15
    Changes: Atomic model, Data collection, Database references, Derived calculations, Other
  • Version 2.1: 2023-11-29
    Changes: Data collection
  • Version 2.2: 2023-12-20
    Changes: Refinement description