1PK6

Globular Head of the Complement System Protein C1q


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.85 Å
  • R-Value Free: 0.239
  • R-Value Work: 0.199

Literature

Macromolecules
Sequence Display for 1PK6

Classification: IMMUNE SYSTEM

Total Structure Weight: 44253.08

Macromolecule Entities
Molecule Chains Length Organism Details
Complement C1q subcomponent, A chain precursor A 133 Homo sapiens Gene Name(s): C1QA Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Complement C1q subcomponent, B chain precursor B 132 Homo sapiens Gene Name(s): C1QB Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Complement C1q subcomponent, C chain precursor C 129 Homo sapiens Gene Name(s): C1QC Gene View C1QG
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
CA
Query on CA

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: 1.85 Å
  • R-Value Free: 0.239
  • R-Value Work: 0.199
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 80.18 α = 90.00
b = 53.22 β = 112.32
c = 90.88 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-06-05
  • Released Date: 2003-10-21
  • Deposition author(s): Gaboriaud, C., Juanhuix, J., Gruez, A., Lacroix, M., Darnault, C., Pignol, D., Verger, D., Fontecilla-Camps, J.C., Arlaud, G.J.

Revision History

  • Version 1_0: 2003-10-21

    Type: Initial release

  • Version 1_1: 2008-04-29

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance