1JQE

Crystal Structure Analysis of Human Histamine Methyltransferase (Ile105 Polymorphic Variant) Complexed with AdoHcy and Antimalarial Drug Quinacrine


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.91 Å
  • R-Value Free: 0.235
  • R-Value Work: 0.195

Literature

Macromolecules
Sequence Display for 1JQE

Classification: TRANSFERASE

Total Structure Weight: 67858.92

Macromolecule Entities
Molecule Chains Length Organism Details
Histamine N-Methyltransferase A, B 292 Homo sapiens EC#: 2.1.1.8 IUBMB
Mutation: T105I
Gene Name(s): HNMT Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
QUN
Query on QUN

A QUINACRINE
6-CHLORO-9-[[4-(DIETHYLAMINO)-1-METHYLBUTYL]AMINO]- 2-METHOXYACRIDINE (Synonym)
C23 H30 Cl N3 O
GPKJTRJOBQGKQK-MRXNPFEDSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SAH
Query on SAH

A, B S-ADENOSYL-L-HOMOCYSTEINE
C14 H20 N6 O5 S
ZJUKTBDSGOFHSH-WFMPWKQPSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
UNX
Query on UNX

B UNKNOWN ATOM OR ION
X
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
QUN N/A in BindingDB
N/A in BindingMoad
Ki: 360 nM  PDBbind
SAH Ki: 18100 nM (99) BindingDB

N/A in BindingMoad


Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.91 Å
  • R-Value Free: 0.235
  • R-Value Work: 0.195
  • Space Group: P 6

Unit Cell:

Length (Å) Angle (°)
a = 130.34 α = 90.00
b = 130.34 β = 90.00
c = 63.01 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-08-06
  • Released Date: 2002-08-06
  • Deposition author(s): Horton, J.R., Sawada, K., Nishibori, M., Zhang, X., Cheng, X.

Revision History

  • 2008-04-27
    Type: Version format compliance
  • 2011-07-13
    Type: Version format compliance