2EU7

Crystal structure of D1A mutant of nitrophorin 2 complexed with ammonia


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.20 Å
  • R-Value Free: 0.215 
  • R-Value Work: 0.177 
  • R-Value Observed: 0.179 

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Ligand Structure Quality Assessment 


This is version 1.4 of the entry. See complete history


Literature

Crystal structures, ligand induced conformational change and heme deformation in complexes of nitrophorin 2, a nitric oxide transport protein from rhodnius prolixus

Weichsel, A.Berry, R.E.Walker, F.A.Montfort, W.R.

To be published.

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Nitrophorin 2A [auth X]179Rhodnius prolixusMutation(s): 1 
UniProt
Find proteins for Q26241 (Rhodnius prolixus)
Explore Q26241 
Go to UniProtKB:  Q26241
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ26241
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 2 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
HEM
Query on HEM

Download Ideal Coordinates CCD File 
B [auth X]PROTOPORPHYRIN IX CONTAINING FE
C34 H32 Fe N4 O4
KABFMIBPWCXCRK-RGGAHWMASA-L
NH3
Query on NH3

Download Ideal Coordinates CCD File 
C [auth X]AMMONIA
H3 N
QGZKDVFQNNGYKY-UHFFFAOYSA-N
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.20 Å
  • R-Value Free: 0.215 
  • R-Value Work: 0.177 
  • R-Value Observed: 0.179 
  • Space Group: P 21 21 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 39.77α = 90
b = 125.3β = 90
c = 34.08γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
XDISPLAYFdata reduction
d*TREKdata scaling

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2006-10-10
    Type: Initial release
  • Version 1.1: 2008-05-01
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2021-10-20
    Changes: Database references, Derived calculations
  • Version 1.4: 2023-08-23
    Changes: Data collection, Refinement description