6Z82

Thalictrum flavumn Norcoclaurine synthase point mutant in complex with a transition state analoge

• PDB DOI: https://doi.org/10.2210/pdb6Z82/pdb

• Classification: LYASE
• Organism(s): Thalictrum flavum subsp. glaucum
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2020-06-02 Released: 2020-12-02 
• Deposition Author(s): Roddan, R., Sula, A., Keep, N.H.
• Funding Organization(s): Biotechnology and Biological Sciences Research Council (BBSRC), Birkbeck College

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.246 
• R-Value Work: 0.198 
• R-Value Observed: 0.200 

Starting Model: experimental

Literature

Single step syntheses of (1S)-aryl-tetrahydroisoquinolines by norcoclaurine synthases

Roddan, R., Sula, A., Mendez-Sanchez, D., Subrizi, F., Lichman, B.R., Broomfield, J., Richter, M., Andexer, J.N., Ward, J.M., Keep, N.H., Hailes, H.C.

(2020) Commun Chem 

• DOI: https://doi.org/10.1038/s42004-020-00416-8

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 18.45 kDa 
• Atom Count: 1,265 
• Modelled Residue Count: 159 
• Deposited Residue Count: 165 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
S-norcoclaurine synthase	A	165	Thalictrum flavum subsp. glaucum	Mutation(s): 1  EC: 4.2.1.78 (PDB Primary Data), 3.5.99.14 (UniProt)
UniProt
Find proteins for Q67A25 (Thalictrum flavum subsp. glaucum) Explore Q67A25  Go to UniProtKB:  Q67A25

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
QBW (Subject of Investigation/LOI)	B [auth A]	4-[2-[(phenylmethyl)amino]ethyl]benzene-1,2-diol C15 H17 N O2 VFXBAOSXGMLCEF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.246 
• R-Value Work: 0.198 
• R-Value Observed: 0.200 
• Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 62.66	α = 90
b = 62.66	β = 90
c = 72.645	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
DIALS	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2020-12-02 
Deposition Author(s): Roddan, R., Sula, A., Keep, N.H.

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Funding Organization	Location	Grant Number
Biotechnology and Biological Sciences Research Council (BBSRC)	United Kingdom	BB/N01877X/1
Biotechnology and Biological Sciences Research Council (BBSRC)	United Kingdom	BB/R021643/1
Birkbeck College	United Kingdom	--

Revision History  

• Version 1.0: 2020-12-02
  Type: Initial release
  
• Version 1.1: 2024-01-24
  Changes: Data collection, Database references, Refinement description