1SU4

Crystal structure of calcium ATPase with two bound calcium ions

Structural Biology Knowledgebase: 1SU4 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.283
  • R-Value Work: 0.246

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 1SU4

Classification: HYDROLASE

Total Structure Weight: 109706.15

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

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

A CALCIUM ION
Ca
BHPQYMZQTOCNFJ-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NA
Query on NA

A SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.4 Å
  • R-Value Free: 0.283
  • R-Value Work: 0.246
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 165.89 α = 90.00
b = 64.34 β = 98.08
c = 147.14 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2004-03-26
  • Released Date: 2004-05-04
  • Deposition author(s): Toyoshima, C., Nakasako, M., Nomura, H., Ogawa, H.
  • Previous versions: 1EUL

Revision History

  • 2013-05-22
    Type: Citation | Details: Citation update
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4