1AXR

COOPERATIVITY BETWEEN HYDROGEN-BONDING AND CHARGE-DIPOLE INTERACTIONS IN THE INHIBITION OF BETA-GLYCOSIDASES BY AZOLOPYRIDINES: EVIDENCE FROM A STUDY WITH GLYCOGEN PHOSPHORYLASE B


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.276
  • R-Value Work: 0.203

Literature

Macromolecules
Sequence Display for 1AXR

Classification: TRANSFERASE

Total Structure Weight: 97930.48

Macromolecule Entities
Molecule Chains Length Organism Details
GLYCOGEN PHOSPHORYLASE A 842 Oryctolagus cuniculus EC#: 2.4.1.1 IUBMB
Gene Name(s): PYGM Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A PYRIDOXAL-5'-PHOSPHATE
VITAMIN B6 Phosphate (Synonym)
C8 H10 N O6 P
NGVDGCNFYWLIFO-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
HTP
Query on HTP

A 4,5,6-TRIHYDROXY-7-HYDROXYMETHYL-4,5,6,7- TETRAHYDRO-1H-[1,2,3]TRIAZOLO[1,5-A]PYRIDIN- 8-YLIUM
C7 H12 N3 O4
QTNWFPNNMUCBLD-XZBKPIIZSA-O
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
PO4
Query on PO4

A PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
HTP N/A in BindingDB
Ki: 540000 nM  BindingMOAD
Ki: 540000 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.3 Å
  • R-Value Free: 0.276
  • R-Value Work: 0.203
  • Space Group: P 43 21 2

Unit Cell:

Length (Å) Angle (°)
a = 126.72 α = 90.00
b = 126.72 β = 90.00
c = 115.59 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1997-10-20
  • Released Date: 1998-01-28
  • Deposition author(s): Oikonomakos, N.G., Heightman, T.D.

Revision History

  • Version 1_0: 1998-01-28

    Type: Initial release

  • Version 1_1: 2008-03-24

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Derived calculations, Version format compliance