5LSA

human catechol O-methyltransferase in complex with SAM and DNC at 1.50A

• PDB DOI: https://doi.org/10.2210/pdb5LSA/pdb

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


• Deposited: 2016-08-24 Released: 2016-09-07 
• Deposition Author(s): Ehler, A., Lerner, C., Rudolph, M.G.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.210 
• R-Value Work: 0.167 
• R-Value Observed: 0.169 

Starting Model: other

Literature

human catechol O-methyltransferase in complex with SAM and DNC at 1.50A

Lerner, C., Rudolph, M.G.

To be published.

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: 25.14 kDa 
• Atom Count: 2,002 
• Modelled Residue Count: 214 
• Deposited Residue Count: 221 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Catechol O-methyltransferase	A	221	Homo sapiens	Mutation(s): 0  Gene Names: COMT EC: 2.1.1.6
UniProt & NIH Common Fund Data Resources
Find proteins for P21964 (Homo sapiens) Explore P21964  Go to UniProtKB:  P21964
PHAROS:  P21964 GTEx:  ENSG00000093010

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SAM	D [auth A]	S-ADENOSYLMETHIONINE C15 H22 N6 O5 S MEFKEPWMEQBLKI-FCKMPRQPSA-N
DNC	E [auth A]	3,5-DINITROCATECHOL C6 H4 N2 O6 VDCDWNDTNSWDFJ-UHFFFAOYSA-N
CL	C [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
MG	B [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.210 
• R-Value Work: 0.167 
• R-Value Observed: 0.169 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 43.021	α = 90
b = 61.311	β = 118.3
c = 44.773	γ = 90

Software Package:

Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2016-09-07 
Deposition Author(s): Ehler, A., Lerner, C., Rudolph, M.G.

Revision History  

• Version 1.0: 2016-09-07
  Type: Initial release
  
• Version 1.1: 2024-05-01
  Changes: Data collection, Database references, Derived calculations, Refinement description