1IWH

Crystal Structure of Horse Carbonmonoxyhemoglobin-Bezafibrate Complex at 1.55A Resolution: A Novel Allosteric Binding Site in R-State Hemoglobin

Structural Biology Knowledgebase: 1IWH SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.55 Å
  • R-Value Observed: 0.175

Literature

Macromolecules
Sequence Display for 1IWH

Classification: OXYGEN STORAGE / TRANSPORT

Total Structure Weight: 32821.70

Macromolecule Entities
Molecule Chains Length Organism Details
Hemoglobin alpha chain A 141 Equus caballus Gene Name(s): HBA
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Hemoglobin beta chain B 146 Equus caballus Gene Name(s): HBB Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

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

A 2-[P-[2-P-CHLOROBENZAMIDO)ETHYL]PHENOXY]- 2-METHYLPROPIONIC ACID
C19 H20 Cl N O4
IIBYAHWJQTYFKB-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CMO
Query on CMO

A, B CARBON MONOXIDE
C O
UGFAIRIUMAVXCW-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.55 Å
  • R-Value Observed: 0.175
  • Space Group: C 2 2 21

Unit Cell:

Length (Å) Angle (°)
a = 62.40 α = 90.00
b = 107.50 β = 90.00
c = 86.75 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-05-15
  • Released Date: 2002-10-02
  • Deposition author(s): Shibayama, N., Miura, S., Tame, J.R.H., Yonetani, T., Park, S.-Y.

Revision History

  • 2011-11-16
    Type: Atom occupancy | Details: Atom occupancy
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4