1JQD

Crystal Structure Analysis of Human Histamine Methyltransferase (Thr105 Polymorphic Variant) Complexed with AdoHcy and Histamine

Structural Biology Knowledgebase: 1JQD SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.28 Å
  • R-Value Free: 0.257
  • R-Value Work: 0.205

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1JQD

Classification: TRANSFERASE

Total Structure Weight: 67657.64

Macromolecule Entities
Molecule Chains Length Organism Details
Histamine N-Methyltransferase A, B 292 Homo sapiens EC#: 2.1.1.8 IUBMB
Gene Name(s): HNMT Gene View

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

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

A, B HISTAMINE
C5 H9 N3
NTYJJOPFIAHURM-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
SAH Ki: 18100 nM (100) BindingDB

Ki: 6900 nM  BindingMOAD
Ki: 6900 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.28 Å
  • R-Value Free: 0.257
  • R-Value Work: 0.205
  • Space Group: P 6

Unit Cell:

Length (Å) Angle (°)
a = 131.75 α = 90.00
b = 131.75 β = 90.00
c = 64.03 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

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4