1NOW

Human lysosomal beta-hexosaminidase isoform B in complex with (2R,3R,4S,5R)-2-Acetamido-3,4-Dihydroxy-5-Hydroxymethyl-Piperidinium Chloride (GalNAc-isofagomine)


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Free: 0.218
  • R-Value Work: 0.193

Literature

Macromolecules
Sequence Display for 1NOW

Classification: HYDROLASE

Total Structure Weight: 118035.38

Macromolecule Entities
Molecule Chains Length Organism Details
beta-hexosaminidase beta chain A, B 507 Homo sapiens EC#: 3.2.1.52 IUBMB
Gene Name(s): HEXB Gene View HCC7
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
NAG
Query on NAG

A, B N-ACETYL-D-GLUCOSAMINE
C8 H15 N O6
OVRNDRQMDRJTHS-FMDGEEDCSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
IFG
Query on IFG

A, B (2R,3R,4S,5R)-2-ACETAMIDO-3,4-DIHYDROXY-5- HYDROXYMETHYL-PIPERIDINE
C8 H16 N2 O4
IWVRQJNSUOIUFV-VGRMVHKJSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

B SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GOL
Query on GOL

A, B GLYCEROL
2, (Synonym)
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Free: 0.218
  • R-Value Work: 0.193
  • Space Group: P 61 2 2

Unit Cell:

Length (Å) Angle (°)
a = 112.39 α = 90.00
b = 112.39 β = 90.00
c = 397.31 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-01-16
  • Released Date: 2003-04-29
  • Deposition author(s): Mark, B.L., Mahuran, D.J., Cherney, M.M., Zhao, D., Knapp, S., James, M.N.G.

Revision History

  • Version 1_0: 2003-04-29

    Type: Initial release

  • Version 1_1: 2008-04-29

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Advisory, Derived calculations, Version format compliance

  • Version 1_3: 2012-11-07

    Type: Derived calculations