3UTW

Crystal structure of bacteriorhodopsin mutant P50A/Y57F

• PDB DOI: https://doi.org/10.2210/pdb3UTW/pdb

• Classification: PROTON TRANSPORT
• Organism(s): Halobacterium salinarum NRC-1
• Expression System: Halobacterium salinarum
• Mutation(s): Yes 
• Membrane Protein: Yes  PDBTMMemProtMD


• Deposited: 2011-11-27 Released: 2012-05-09 
• Deposition Author(s): Cao, Z., Bowie, J.U.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.246 
• R-Value Work: 0.203 
• R-Value Observed: 0.206 

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 28.14 kDa 
• Atom Count: 1,848 
• Modelled Residue Count: 227 
• Deposited Residue Count: 249 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Bacteriorhodopsin	A	249	Halobacterium salinarum NRC-1	Mutation(s): 2  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 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MC3	D [auth A]	1,2-DIMYRISTOYL-RAC-GLYCERO-3-PHOSPHOCHOLINE C36 H72 N O8 P CITHEXJVPOWHKC-UUWRZZSWSA-N
BOG	C [auth A]	octyl beta-D-glucopyranoside C14 H28 O6 HEGSGKPQLMEBJL-RKQHYHRCSA-N
RET	B [auth A]	RETINAL C20 H28 O NCYCYZXNIZJOKI-OVSJKPMPSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.246 
• R-Value Work: 0.203 
• R-Value Observed: 0.206 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 45.281	α = 90
b = 103.059	β = 90
c = 128.879	γ = 90

Software Package:

Software Name	Purpose
ADSC	data collection
PHASES	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-05-09 
Deposition Author(s): Cao, Z., Bowie, J.U.

Revision History  

• Version 1.0: 2012-05-09
  Type: Initial release
  
• Version 1.1: 2014-07-16
  Changes: Database references
• Version 1.2: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Database references, Derived calculations, Structure summary