1D6S

CRYSTAL STRUCTURE OF THE K41A MUTANT OF O-ACETYLSERINE SULFHYDRYLASE COMPLEXED IN EXTERNAL ALDIMINE LINKAGE WITH METHIONINE

Structural Biology Knowledgebase: 1D6S SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.223
  • R-Value Work: 0.174

Literature

Macromolecules
Sequence Display for 1D6S

Classification: LYASE

Total Structure Weight: 69617.91

Macromolecule Entities
Molecule Chains Length Organism Details
O-ACETYLSERINE SULFHYDRYLASE A, B 322 Salmonella enterica EC#: 2.5.1.47 IUBMB
Mutation: K41A, V266G, F267I
Gene Name(s): cysK STM2430
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B PYRIDOXAL-5'-PHOSPHATE
VITAMIN B6 Phosphate (Synonym)
C8 H10 N O6 P
NGVDGCNFYWLIFO-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MET
Query on MET

A, B METHIONINE
C5 H11 N O2 S
FFEARJCKVFRZRR-BYPYZUCNSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
PLP N/A in BindingDB
N/A in BindingMoad
Kd: 78000 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.223
  • R-Value Work: 0.174
  • Space Group: P 21 21 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 96.94 α = 90.00
b = 149.93 β = 90.00
c = 53.64 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1999-10-15
  • Released Date: 2000-04-15
  • Deposition author(s): Burkhard, P., Tai, C.H., Ristroph, C.M., Cook, P.F., Jansonius, J.N.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4
  • 2011-07-13
    Type: Non-polymer description | Details: chemical name/synonym update