9GR6

PsiM in complex with SAH, high resolution

• PDB DOI: https://doi.org/10.2210/pdb9GR6/pdb

• Classification: TRANSFERASE
• Organism(s): Psilocybe cubensis
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2024-09-10 Released: 2024-12-25 
• Deposition Author(s): Hudspeth, J., Rupp, B., Werten, S.
• Funding Organization(s): Austrian Science Fund, German Research Foundation (DFG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 0.93 Å
• R-Value Free: 0.160 
• R-Value Work: 0.146 
• R-Value Observed: 0.146 

Starting Model: experimental

Literature

PsiM in complex with SAH (to be published)

Rupp, B.

To be published.

Biological Assembly 1  

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

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

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 36.31 kDa 
• Atom Count: 3,311 
• Modelled Residue Count: 318 
• Deposited Residue Count: 322 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Psilocybin synthase	A	322	Psilocybe cubensis	Mutation(s): 0  Gene Names: psiM EC: 2.1.1
UniProt
Find proteins for P0DPA9 (Psilocybe cubensis) Explore P0DPA9  Go to UniProtKB:  P0DPA9

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SAH (Subject of Investigation/LOI)	B [auth A]	S-ADENOSYL-L-HOMOCYSTEINE C14 H20 N6 O5 S ZJUKTBDSGOFHSH-WFMPWKQPSA-N
CL	C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 0.93 Å
• R-Value Free: 0.160 
• R-Value Work: 0.146 
• R-Value Observed: 0.146 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 49.895	α = 90
b = 78.575	β = 90
c = 84.013	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PHENIX	phasing
xia2	data reduction
DIALS	data scaling

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-12-25 
Deposition Author(s): Hudspeth, J., Rupp, B., Werten, S.

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Funding Organization	Location	Grant Number
Austrian Science Fund	Austria	I 5192
German Research Foundation (DFG)	Germany	456463463

Revision History  

• Version 1.0: 2024-12-25
  Type: Initial release