1A5S

CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN SYNTHASE COMPLEXED WITH 5-FLUOROINDOLE PROPANOL PHOSPHATE AND L-SER BOUND AS AMINO ACRYLATE TO THE BETA SITE

Structural Biology Knowledgebase: 1A5S SBKB.org


Experimental Data Snapshot

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

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1A5S

Classification: COMPLEX (LYASE / INHIBITOR)

Total Structure Weight: 72336.80

Macromolecule Entities
Molecule Chains Length Organism Details
TRYPTOPHAN SYNTHASE (ALPHA CHAIN) A 268 Salmonella enterica EC#: 4.2.1.20 IUBMB
Gene Name(s): trpA STM1727
TRYPTOPHAN SYNTHASE (BETA CHAIN) B 397 Salmonella enterica EC#: 4.2.1.20 IUBMB
Gene Name(s): trpB STM1726

Small Molecules
Ligands 4 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
 
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
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SER
Query on SER

B SERINE
C3 H7 N O3
MTCFGRXMJLQNBG-REOHCLBHSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NA
Query on NA

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

Unit Cell:

Length (Å) Angle (°)
a = 182.70 α = 90.00
b = 60.80 β = 94.60
c = 67.50 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1998-02-17
  • 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

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