3G1W | pdb_00003g1w

Crystal structure of sugar ABC transporter (sugar-binding protein) from Bacillus halodurans

• PDB DOI: https://doi.org/10.2210/pdb3G1W/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Halalkalibacterium halodurans C-125
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2009-01-30 Released: 2009-02-17 
• Deposition Author(s): Zhang, Z., Eswaramoorthy, S., Swaminathan, S., Burley, S.K., New York SGX Research Center for Structural Genomics (NYSGXRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.02 Å
• R-Value Free: 
  0.237 (Depositor), 0.240 (DCC) 
• R-Value Work: 
  0.193 (Depositor), 0.200 (DCC) 
• R-Value Observed: 
  0.195 (Depositor) 

Literature

The crystal structure of sugar ABC transporter (sugar-binding protein) from Bacillus halodurans.

Zhang, Z., Eswaramoorthy, S., Swaminathan, S., Burley, S.K.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content 

• Total Structure Weight: 67.72 kDa 
• Atom Count: 4,699 
• Modeled Residue Count: 581 
• Deposited Residue Count: 610 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Sugar ABC transporter	A, B	305	Halalkalibacterium halodurans C-125	Mutation(s): 0  Gene Names: BH3448
UniProt
Find proteins for Q9K7B8 (Halalkalibacterium halodurans (strain ATCC BAA-125 / DSM 18197 / FERM 7344 / JCM 9153 / C-125)) Explore Q9K7B8  Go to UniProtKB:  Q9K7B8

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.02 Å
• R-Value Free:  0.237 (Depositor), 0.240 (DCC) 
• R-Value Work:  0.193 (Depositor), 0.200 (DCC) 
• R-Value Observed: 0.195 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 60.457	α = 90
b = 87.864	β = 90
c = 113.582	γ = 90

Software Package:

Software Name	Purpose
CBASS	data collection
PHENIX	model building
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-02-17 
Deposition Author(s): Zhang, Z., Eswaramoorthy, S., Swaminathan, S., Burley, S.K., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2009-02-17
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Refinement description, Version format compliance
• Version 1.2: 2021-02-10
  Changes: Database references, Derived calculations, Structure summary
• Version 1.3: 2024-10-30
  Changes: Data collection, Database references, Structure summary