2WJK

Bacteriorhodopsin mutant E204D

• PDB DOI: https://doi.org/10.2210/pdb2WJK/pdb

• Classification: PROTON TRANSPORT
• Organism(s): Halobacterium salinarum
• Expression System: Halobacterium salinarum
• Mutation(s): No 
• Membrane Protein: Yes  PDBTMMemProtMD


• Deposited: 2009-05-27 Released: 2010-08-25 
• Deposition Author(s): Potschies, M., Hofmann, E., Gerwert, K.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å

Starting Model: experimental

Literature

Directional proton transfer in membrane proteins achieved through protonated protein-bound water molecules: a proton diode.

Wolf, S., Freier, E., Potschies, M., Hofmann, E., Gerwert, K.

(2010) Angew Chem Int Ed Engl 49: 6889-6893

• PubMed: 20680951 
• DOI: https://doi.org/10.1002/anie.201001243
• Primary Citation of Related Structures:  
  2WJK, 2WJL

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Organizational Affiliation: 

Lehrstuhl für Biophysik, Ruhr-University Bochum, Universitätsstrasse 150, 44780 Bochum, Germany.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

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

Macromolecule Content

• Total Structure Weight: 27.84 kDa 
• Atom Count: 1,689 
• Modelled Residue Count: 210 
• Deposited Residue Count: 249 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Bacteriorhodopsin	A	249	Halobacterium salinarum	Mutation(s): 0  Gene Names: bop, VNG_1467G Membrane Entity: Yes
UniProt
Find proteins for P02945 (Halobacterium salinarum (strain ATCC 700922 / JCM 11081 / NRC-1)) Explore P02945  Go to UniProtKB:  P02945

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
LI1	C [auth A]	1-[2,6,10.14-TETRAMETHYL-HEXADECAN-16-YL]-2-[2,10,14-TRIMETHYLHEXADECAN-16-YL]GLYCEROL C42 H86 O3 YERVUJAKCNBGCR-BIHSMRAKSA-N
RET	B [auth A]	RETINAL C20 H28 O NCYCYZXNIZJOKI-OVSJKPMPSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• Space Group: P 6₃

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 60.81	α = 90
b = 60.81	β = 90
c = 110.63	γ = 120

Software Package:

Software Name	Purpose
SHELXL-97	refinement
XDS	data reduction
XSCALE	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-08-25 
Deposition Author(s): Potschies, M., Hofmann, E., Gerwert, K.

Revision History  

• Version 1.0: 2010-08-25
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2018-11-21
  Changes: Data collection, Database references, Source and taxonomy, Structure summary
• Version 1.4: 2019-03-06
  Changes: Data collection, Derived calculations, Experimental preparation
• Version 1.5: 2019-05-22
  Changes: Data collection, Refinement description
• Version 1.6: 2023-12-13
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description
• Version 1.7: 2024-11-13
  Changes: Structure summary