3CEP

Structure of a tryptophan synthase quinonoid intermediate


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.238 
  • R-Value Work: 0.198 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

Structure and mechanistic implications of a tryptophan synthase quinonoid intermediate.

Barends, T.R.Domratcheva, T.Kulik, V.Blumenstein, L.Niks, D.Dunn, M.F.Schlichting, I.

(2008) Chembiochem 9: 1024-1028


Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Tryptophan synthase alpha chain
A
268Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)Mutation(s): 0 
Gene Names: trpA
EC: 4.2.1.20
Find proteins for P00929 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720))
Go to UniProtKB:  P00929
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
Tryptophan synthase beta chain
B
396Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)Mutation(s): 0 
Gene Names: trpB
EC: 4.2.1.20
Find proteins for P0A2K1 (Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720))
Go to UniProtKB:  P0A2K1
Small Molecules
Ligands 5 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
G3P
Query on G3P

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Download CCD File 
A
SN-GLYCEROL-3-PHOSPHATE
C3 H9 O6 P
AWUCVROLDVIAJX-GSVOUGTGSA-N
 Ligand Interaction
CS
Query on CS

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Download CCD File 
B
CESIUM ION
Cs
NCMHKCKGHRPLCM-UHFFFAOYSA-N
 Ligand Interaction
IDM
Query on IDM

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Download CCD File 
A, B
INDOLINE
C8 H9 N
LPAGFVYQRIESJQ-UHFFFAOYSA-N
 Ligand Interaction
PLP
Query on PLP

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Download CCD File 
B
PYRIDOXAL-5'-PHOSPHATE
VITAMIN B6 Phosphate
C8 H10 N O6 P
NGVDGCNFYWLIFO-UHFFFAOYSA-N
 Ligand Interaction
MH6
Query on MH6

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Download CCD File 
B
3-hydroxy-2-iminopropanoic acid
C3 H5 N O3
MUHXUPVPXJXCGV-DUXPYHPUSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Free: 0.238 
  • R-Value Work: 0.198 
  • Space Group: C 1 2 1
Unit Cell:
Length (Å)Angle (°)
a = 184.024α = 90.00
b = 58.908β = 95.19
c = 67.086γ = 90.00
Software Package:
Software NamePurpose
CNSphasing
REFMACrefinement
ADSCdata collection
XSCALEdata scaling
XDSdata reduction

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2008-04-01
    Type: Initial release
  • Version 1.1: 2011-07-13
    Type: Non-polymer description, Version format compliance
  • Version 1.2: 2014-12-17
    Type: Experimental preparation