1K9U

Crystal Structure of the Calcium-Binding Pollen Allergen Phl p 7 (Polcalcin) at 1.75 Angstroem

Structural Biology Knowledgebase: 1K9U SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.75 Å
  • R-Value Free: 0.223
  • R-Value Work: 0.192

Literature

Macromolecules
Sequence Display for 1K9U

Classification: ALLERGEN

Total Structure Weight: 17817.99

Macromolecule Entities
Molecule Chains Length Organism Details
Polcalcin Phl p 7 A, B 78 Phleum pratense Gene Name(s):
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
SO4
Query on SO4

A, B SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
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: 1.75 Å
  • R-Value Free: 0.223
  • R-Value Work: 0.192
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 31.08 α = 90.00
b = 56.21 β = 90.23
c = 37.24 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-10-30
  • Released Date: 2003-04-30
  • Deposition author(s): Verdino, P., Westritschnig, K., Valenta, R., Keller, W.

Revision History

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