1PJT

The structure of the Ser128Ala point-mutant variant of CysG, the multifunctional methyltransferase/dehydrogenase/ferrochelatase for siroheme synthesis

Structural Biology Knowledgebase: 1PJT SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Free: 0.291
  • R-Value Work: 0.226

Literature

Macromolecules
Sequence Display for 1PJT

Classification: TRANSFERASE / OXIDOREDUCTASE / LYASE

Total Structure Weight: 101245.84

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: S128A
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 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
SAH
Query on SAH

A, B S-ADENOSYL-L-HOMOCYSTEINE
C14 H20 N6 O5 S
ZJUKTBDSGOFHSH-WFMPWKQPSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
PO4
Query on PO4

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

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Free: 0.291
  • R-Value Work: 0.226
  • Space Group: P 21 21 21
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 59.54 α = 90.00
b = 120.32 β = 90.00
c = 130.04 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

  • 2014-11-12
    Type: Function and keywords | Details: --
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4