4G38

Mutational analysis of sulfite reductase hemoprotein reveals the mechanism for coordinated electron and proton transfer

Structural Biology Knowledgebase: 4G38 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.56 Å
  • R-Value Free: 0.177
  • R-Value Work: 0.140

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 4G38

Classification: OXIDOREDUCTASE

Total Structure Weight: 65564.16

Macromolecule Entities
Molecule Chains Length Organism Details
Sulfite reductase [NADPH] hemoprotein beta-component A 570 Escherichia coli EC#: 1.8.1.2 IUBMB
Fragment: sulfite reductase hemoprotein (unp residues 74-570)
Mutation: N149W
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
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SF4
Query on SF4

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

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

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

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.56 Å
  • R-Value Free: 0.177
  • R-Value Work: 0.140
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 66.33 α = 90.00
b = 76.17 β = 90.00
c = 81.46 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2012-07-13
  • Released Date: 2012-12-26
  • Deposition author(s): Smith, K.W., Stroupe, M.E.

Revision History

  • 2013-03-06
    Type: Citation | Details: Citation update