1ASH

THE STRUCTURE OF ASCARIS HEMOGLOBIN DOMAIN I AT 2.2 ANGSTROMS RESOLUTION: MOLECULAR FEATURES OF OXYGEN AVIDITY

Structural Biology Knowledgebase: 1ASH SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.15 Å
  • R-Value Observed: 0.179

Literature

Macromolecules
Sequence Display for 1ASH

Classification: OXYGEN STORAGE

Total Structure Weight: 18618.86

Macromolecule Entities
Molecule Chains Length Organism Details
HEMOGLOBIN (OXY) A 150 Ascaris suum Mutation: N46S
Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
HEM
Query on HEM

A PROTOPORPHYRIN IX CONTAINING FE
HEME (Synonym)
C34 H32 Fe N4 O4
KABFMIBPWCXCRK-RGGAHWMASA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
OXY
Query on OXY

A OXYGEN MOLECULE
O2
MYMOFIZGZYHOMD-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.15 Å
  • R-Value Observed: 0.179
  • Space Group: P 31 2 1

Unit Cell:

Length (Å) Angle (°)
a = 63.46 α = 90.00
b = 63.46 β = 90.00
c = 69.92 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1995-01-06
  • Released Date: 1995-02-27
  • Deposition author(s): Yang, J., Mathews, F.S., Kloek, A.P., Goldberg, D.E.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4