1RQ4

Crystallographic Analysis of the Interaction of Nitric Oxide with Quaternary-T Human Hemoglobin, HEMOGLOBIN EXPOSED TO NO UNDER AEROBIC CONDITIONS

Structural Biology Knowledgebase: 1RQ4 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.11 Å
  • R-Value Free: 0.241
  • R-Value Work: 0.197

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1RQ4

Classification: OXYGEN STORAGE / TRANSPORT

Total Structure Weight: 64699.71

Macromolecule Entities
Molecule Chains Length Organism Details
Hemoglobin alpha chain A, C 141 Homo sapiens Gene Name(s): HBA1 Gene View HBA2 Gene View
Hemoglobin beta chain B, D 146 Homo sapiens Mutation: C93X
Gene Name(s): HBB Gene View

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

A, B, C, D PROTOPORPHYRIN IX CONTAINING FE
HEME (Synonym)
C34 H32 Fe N4 O4
KABFMIBPWCXCRK-RGGAHWMASA-L
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NO
Query on NO

A, B, C, D NITRIC OXIDE
Nitrogen monoxide (Synonym)
N O
ODUCDPQEXGNKDN-UHFFFAOYAM
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
CSO
Query on CSO
B, D L-PEPTIDE LINKING C3 H7 N O3 S CYS

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.11 Å
  • R-Value Free: 0.241
  • R-Value Work: 0.197
  • Space Group: P 21 21 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 97.20 α = 90.00
b = 100.40 β = 90.00
c = 66.20 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-12-04
  • Released Date: 2003-12-23
  • Deposition author(s): Chan, N.L., Kavanaugh, J.S., Rogers, P.H., Arnone, A.

Revision History

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