1AOP

SULFITE REDUCTASE STRUCTURE AT 1.6 ANGSTROM RESOLUTION

Structural Biology Knowledgebase: 1AOP SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Free: 0.218
  • R-Value Work: 0.182

Literature

Macromolecules
Sequence Display for 1AOP

Classification: OXIDOREDUCTASE

Total Structure Weight: 57148.68

Macromolecule Entities
Molecule Chains Length Organism Details
SULFITE REDUCTASE HEMOPROTEIN A 497 Escherichia coli EC#: 1.8.1.2 IUBMB
Details: OXIDIZED, SIROHEME FE(III), [4FE-4S], +2
Gene Name(s): cysI b2763 JW2733
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
SRM
Query on SRM

A SIROHEME
C42 H42 Fe N4 O16
PGYXHNRRBJLFEV-NBUGCWMUSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SF4
Query on SF4

A IRON/SULFUR CLUSTER
Fe4 S4
LJBDFODJNLIPKO-VKOJMFJBAC
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
PO4
Query on PO4

A PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
K
Query on K

A POTASSIUM ION
K
NPYPAHLBTDXSSS-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Free: 0.218
  • R-Value Work: 0.182
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 69.80 α = 90.00
b = 77.40 β = 90.00
c = 87.80 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1997-07-08
  • Released Date: 1997-12-24
  • Deposition author(s): Crane, B.R., Getzoff, E.D.
  • Previous versions: 1GEO

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Source and taxonomy | Details: Removed strain from scientific name