1PJQ

Structure and function of CysG, the multifunctional methyltransferase/dehydrogenase/ferrochelatase for siroheme synthesis


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.21 Å
  • R-Value Free: 0.273
  • R-Value Work: 0.235

Literature

Macromolecules
Sequence Display for 1PJQ

Classification: TRANSFERASE / OXIDOREDUCTASE / LYASE

Total Structure Weight: 101284.67

Macromolecule Entities
Molecule Chains Length Organism Details
Siroheme synthase A, B 457 Salmonella enterica EC#: 1 IUBMB 2.1.1.107 IUBMB 4.99.1 IUBMB
Mutation: S128X
Details: Residues 1-212 (CysGB) are a dehydrogenase/ferrochelatase, Residues 213-457 (CysGA) are a bismethyltransferase
Gene Name(s): cysG STM3477
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

B S-ADENOSYL-L-HOMOCYSTEINE
C14 H20 N6 O5 S
ZJUKTBDSGOFHSH-WFMPWKQPSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
PGE
Query on PGE

A TRIETHYLENE GLYCOL
C6 H14 O4
ZIBGPFATKBEMQZ-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ACT
Query on ACT

A, B ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
SEP
Query on SEP
A, B L-PEPTIDE LINKING C3 H8 N O6 P SER

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.21 Å
  • R-Value Free: 0.273
  • R-Value Work: 0.235
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 60.73 α = 90.00
b = 121.49 β = 90.00
c = 130.79 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-06-03
  • Released Date: 2003-12-02
  • Deposition author(s): Stroupe, M.E., Leech, H.K., Daniels, D.S., Warren, M.J., Getzoff, E.D.

Revision History

  • Version 1_0: 2003-12-02

    Type: Initial release

  • Version 1_1: 2008-04-29

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance

  • Version 1_3: 2014-11-12

    Type: Structure summary