1A50

CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN SYNTHASE COMPLEXED WITH 5-FLUOROINDOLE PROPANOL PHOSPHATE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.247
  • R-Value Work: 0.177

Literature

Macromolecules
Sequence Display for 1A50

Classification: LYASE

Total Structure Weight: 72099.93

Macromolecule Entities
Molecule Chains Length Organism Details
TRYPTOPHAN SYNTHASE (ALPHA CHAIN) A 268 Salmonella enterica EC#: 4.2.1.20 IUBMB
Details: INHIBITOR 5-FLUOROINDOLE PROPANOL PHOSPHATE BOUND TO THE ALPHA SITE
Gene Name(s): trpA STM1727
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
TRYPTOPHAN SYNTHASE (BETA CHAIN) B 396 Salmonella enterica EC#: 4.2.1.20 IUBMB
Details: INHIBITOR 5-FLUOROINDOLE PROPANOL PHOSPHATE BOUND TO THE ALPHA SITE
Gene Name(s): trpB STM1726
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A 5-FLUOROINDOLE PROPANOL PHOSPHATE
C11 H13 F N O4 P
YVYGGBFCYXRNKM-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
PLP
Query on PLP

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)
NA
Query on NA

B SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
FIP N/A in BindingDB
Kd: 350 nM  BindingMOAD
Kd: 200 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.247
  • R-Value Work: 0.177
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 182.70 α = 90.00
b = 60.70 β = 94.50
c = 67.50 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1998-02-18
  • Released Date: 1999-03-30
  • Deposition author(s): Schneider, T.R., Gerhardt, E., Lee, M., Liang, P.-H., Anderson, K.S., Schlichting, I.

Revision History

  • Version 1_0: 1999-03-30

    Type: Initial release

  • Version 1_1: 2008-03-24

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Non-polymer description, Version format compliance

  • Version 1_3: 2011-11-16

    Type: Atomic model