1UBS

TRYPTOPHAN SYNTHASE (E.C.4.2.1.20) WITH A MUTATION OF LYS 87->THR IN THE B SUBUNIT AND IN THE PRESENCE OF LIGAND L-SERINE

Structural Biology Knowledgebase: 1UBS SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Observed: 0.186

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1UBS

Classification: LYASE / PEPTIDE

Total Structure Weight: 72019.57

Macromolecule Entities
Molecule Chains Length Organism Details
TRYPTOPHAN SYNTHASE A 268 Salmonella enterica EC#: 4.2.1.20 IUBMB
Gene Name(s): trpA STM1727
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
TRYPTOPHAN SYNTHASE B 397 Salmonella enterica EC#: 4.2.1.20 IUBMB
Mutation: K87T, E396L
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
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)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Observed: 0.186
  • Space Group: C 1 2 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 184.20 α = 90.00
b = 61.80 β = 94.80
c = 67.80 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1995-12-14
  • Released Date: 1996-03-08
  • Deposition author(s): Rhee, S., Parris, K., Ahmed, S.A., Miles, E.W., Davies, D.R.

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