3W5A

Crystal structure of the calcium pump and sarcolipin from rabbit fast twitch skeletal muscle in the E1.Mg2+ state


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.01 Å
  • R-Value Free: 0.283
  • R-Value Work: 0.248

Literature

Macromolecules
Sequence Display for 3W5A

Classification: METAL TRANSPORT / MEMBRANE PROTEIN

Total Structure Weight: 227963.78

Macromolecule Entities
Molecule Chains Length Organism Details
SERCA1a A, B 995 Oryctolagus cuniculus EC#: 3.6.3.8 IUBMB
Gene Name(s): ATP2A1 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Sarcolipin C 31 Oryctolagus cuniculus Gene Name(s): SLN 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 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
PTY
Query on PTY

A, B PHOSPHATIDYLETHANOLAMINE
C40 H80 N O8 P
NJGIRBISCGPRPF-KXQOOQHDSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
TM1
Query on TM1

A, B 2',3'-O-[(1r)-2,4,6-trinitrocyclohexa-2,5- diene-1,1-diyl]adenosine 5'-(dihydrogen phosphate)
C16 H15 N8 O13 P
OHPXFACYTRBVRA-DLHKNTDHSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MG
Query on MG

A, B MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NA
Query on NA

A, B SODIUM ION
Na
FKNQFGJONOIPTF-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
ACE
Query on ACE
A, B NON-POLYMER C2 H4 O --

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.01 Å
  • R-Value Free: 0.283
  • R-Value Work: 0.248
  • Space Group: C 1 2 1

Unit Cell:

Length (Å) Angle (°)
a = 352.88 α = 90.00
b = 55.73 β = 119.02
c = 187.95 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2013-01-27
  • Released Date: 2013-03-06
  • Deposition author(s): Toyoshima, C., Iwasawa, S., Ogawa, H., Hirata, A., Tsueda, J., Inesi, G.

Revision History

  • Version 1_0: 2013-03-06

    Type: Initial release

  • Version 1_1: 2013-03-27

    Type: Database references