1SAC

THE STRUCTURE OF PENTAMERIC HUMAN SERUM AMYLOID P COMPONENT


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Observed: 0.179

Literature

Macromolecules
Sequence Display for 1SAC

Classification: AMYLOID PROTEIN

Total Structure Weight: 117053.27

Macromolecule Entities
Molecule Chains Length Organism Details
SERUM AMYLOID P COMPONENT A, B, C, D, E 204 Homo sapiens Gene Name(s): APCS Gene View PTX2
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B, D, E ACETIC ACID
C2 H4 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CA
Query on CA

A, B, C, D, E 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: 2.0 Å
  • R-Value Observed: 0.179
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 68.90 α = 90.00
b = 99.30 β = 95.90
c = 96.70 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1994-01-27
  • Released Date: 1994-05-31
  • Deposition author(s): White, H.E., Emsley, J., O'Hara, B.P., Oliva, G., Srinivasan, N., Tickle, I.J., Blundell, T.L., Pepys, M.B., Wood, S.P.

Revision History

  • Version 1_0: 1994-05-31

    Type: Initial release

  • Version 1_1: 2008-03-03

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance