1OK1

Decay accelerating factor (cd55) : the structure of an intact human complement regulator.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Observed: 0.203

Literature

Macromolecules
Sequence Display for 1OK1

Classification: REGULATOR OF COMPLEMENT PATHWAY

Total Structure Weight: 57606.48

Macromolecule Entities
Molecule Chains Length Organism Details
COMPLEMENT DECAY-ACCELERATING FACTOR A, B 254 Homo sapiens Fragment: FOUR EXTRACELLULAR SCR DOMAINS, RESIDUES 35-285
Mutation: T48I
Details: MODELLED GLYCEROLS, ACETATES AND SULPHATES FROM CRYSTALLISATION BUFFER
Gene Name(s): CD55 Gene View CR DAF
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 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)
GOL
Query on GOL

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

A, B ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Observed: 0.203
  • Space Group: P 1

Unit Cell:

Length (Å) Angle (°)
a = 47.03 α = 86.85
b = 55.13 β = 84.92
c = 62.00 γ = 65.03

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2003-07-16
  • Released Date: 2004-01-07
  • Deposition author(s): Lukacik, P., Roversi, P., White, J., Esser, D., Smith, G.P., Billington, J., Williams, P.A., Rudd, P.M., Wormald, M.R., Crispin, M.D.M., Radcliffe, C.M., Dwek, R.A., Evans, D.J., Morgan, B.P., Smith, R.A.G., Lea, S.M.

Revision History

  • Version 1_0: 2004-01-07

    Type: Initial release

  • Version 1_1: 2011-05-08

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance