8OWA

SR Ca(2+)-ATPase in the E2 state complexed with the photoswitch-thapsigargin derivative AzTG-4

• PDB DOI: https://doi.org/10.2210/pdb8OWA/pdb

• Classification: HYDROLASE
• Organism(s): Oryctolagus cuniculus
• Mutation(s): No 
• Membrane Protein: Yes  PDBTMMemProtMD


• Deposited: 2023-04-27 Released: 2023-06-21 
• Deposition Author(s): Hjorth-Jensen, S.J., Konrad, D.B., Quistgaard, E.M.H., Hansen, L.C., Novak, A., Chu, H., Jurasek, M., Zimmermann, T., Andersen, J.L., Baran, P.S., Nissen, P., Trauner, D.
• Funding Organization(s): German Research Foundation (DFG), H2020 Marie Curie Actions of the European Commission, Lundbeckfonden

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.85 Å
• R-Value Free: 0.279 
• R-Value Work: 0.243 
• R-Value Observed: 0.244 

Starting Model: experimental

Literature

Photoswitchable inhibitors of the sarco(endo)plasmic calcium pump

Hjorth-Jensen, S.J., Konrad, D.B., Quistgaard, E.M.H., Hansen, L.C., Novak, A., Chu, H., Jurasek, M., Zimmermann, T., Andersen, J.L., Baran, P.S., Nissen, P., Trauner, D.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 110.2 kDa 
• Atom Count: 7,640 
• Modelled Residue Count: 981 
• Deposited Residue Count: 991 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Sarcoplasmic/endoplasmic reticulum calcium ATPase 1	A	991	Oryctolagus cuniculus	Mutation(s): 0  EC: 7.2.2.10 Membrane Entity: Yes
UniProt
Find proteins for P04191 (Oryctolagus cuniculus) Explore P04191  Go to UniProtKB:  P04191

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
VUK (Subject of Investigation/LOI)	C [auth A]	[(3S,3aR,4S,6S,6aR,7S,8S,9bS)-6-acetyloxy-3,6,9-trimethyl-8-[(Z)-2-methylbut-2-enoyl]oxy-3,3a-bis(oxidanyl)-2-oxidanylidene-4-[4-[4-[(E)-phenyldiazenyl]phenyl]butanoyloxy]-4,5,6a,7,8,9b-hexahydroazuleno[4,5-b]furan-7-yl] octanoate C46 H58 N2 O12 NGXFGRHJQLJRQJ-RCNCXLEOSA-N
ACE	B [auth A]	ACETYL GROUP C2 H4 O IKHGUXGNUITLKF-UHFFFAOYSA-N
NA	D [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.85 Å
• R-Value Free: 0.279 
• R-Value Work: 0.243 
• R-Value Observed: 0.244 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 71.31	α = 90
b = 71.31	β = 90
c = 586.81	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
autoPROC	data processing
XDS	data reduction
PHASER	phasing
XSCALE	data scaling

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-06-21 
Deposition Author(s): Hjorth-Jensen, S.J., Konrad, D.B., Quistgaard, E.M.H., Hansen, L.C., Novak, A., Chu, H., Jurasek, M., Zimmermann, T., Andersen, J.L., Baran, P.S., Nissen, P., Trauner, D.

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Funding Organization	Location	Grant Number
German Research Foundation (DFG)	Germany	239283807
H2020 Marie Curie Actions of the European Commission	European Union	722687
Lundbeckfonden	Denmark	R310-2018-3713

Revision History  

• Version 1.0: 2023-06-21
  Type: Initial release