1KKT

Structure of P. citrinum alpha 1,2-mannosidase reveals the basis for differences in specificity of the ER and Golgi Class I enzymes

Structural Biology Knowledgebase: 1KKT SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.2 Å
  • R-Value Free: 0.239
  • R-Value Work: 0.193

Literature

Macromolecules
Sequence Display for 1KKT

Classification: HYDROLASE

Total Structure Weight: 116853.89

Macromolecule Entities
Molecule Chains Length Organism Details
Mannosyl-oligosaccharide alpha-1,2-mannosidase A, B 511 Penicillium citrinum EC#: 3.2.1.113 IUBMB
Gene Name(s): MSDC
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 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)
MAN
Query on MAN

A, B ALPHA-D-MANNOSE
C6 H12 O6
WQZGKKKJIJFFOK-PQMKYFCFSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

A, B CALCIUM ION
Ca
BHPQYMZQTOCNFJ-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: 0.239
  • R-Value Work: 0.193
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 56.49 α = 90.00
b = 111.00 β = 99.17
c = 86.24 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-12-10
  • Released Date: 2002-01-23
  • Deposition author(s): Lobsanov, Y.D., Vallee, F., Imberty, A., Yoshida, T., Yip, P., Herscovics, A., Howell, P.L.

Revision History

  • 2011-07-13
    Type: Non-polymer description | Details: chemical name/synonym update
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4