1IWO

Crystal structure of the SR Ca2+-ATPase in the absence of Ca2+

Structural Biology Knowledgebase: 1IWO SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.1 Å
  • R-Value Free: 0.268
  • R-Value Work: 0.237

Literature

Macromolecules
Sequence Display for 1IWO

Classification: Hydrolase / Hydrolase Inhibitor

Total Structure Weight: 220508.02

Macromolecule Entities
Molecule Chains Length Organism Details
Sarcoplasmic/endoplasmic reticulum calcium ATPase 1 A, B 994 Oryctolagus cuniculus EC#: 3.6.3.8 IUBMB
Mutation: D994G
Gene Name(s): ATP2A1 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Membrane Protein

Source: mpstruc | Group: ALPHA-HELICAL

Subgroup Name: P-type ATPase

Protein Name: Calcium ATPase; rabbit sarcoplasmic reticulum. E1 state with bound calcium


Small Molecules
Ligands 1 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
TG1
Query on TG1

A, B OCTANOIC ACID [3S-[3ALPHA, 3ABETA, 4ALPHA, 6BETA, 6ABETA, 7BETA, 8ALPHA(Z), 9BALPHA]]- 6-(ACETYLOXY)-2,3,-3A,4,5,6,6A,7,8,9B-DECAHYDRO- 3,3A-DIHYDROXY-3,6,9-TRIMETHYL-8-[(2-METHYL- 1-OXO-2-BUTENYL)OXY]-2-OXO-4-(1-OXOBUTOXY)- AZULENO[4,5-B]FURAN-7-YL ESTER
THAPSIGARGIN (Synonym)
C34 H50 O12
IXFPJGBNCFXKPI-FSIHEZPISA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
TG1 IC50: 0.2 nM (100) BindingDB
Kd: 0.2 nM (100) BindingDB

N/A in BindingMoad
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.1 Å
  • R-Value Free: 0.268
  • R-Value Work: 0.237
  • Space Group: P 41

Unit Cell:

Length (Å) Angle (°)
a = 71.74 α = 90.00
b = 71.74 β = 90.00
c = 590.30 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2002-05-26
  • Released Date: 2002-08-14
  • Deposition author(s): Toyoshima, C., Nomura, H.

Revision History

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