6GT9 | pdb_00006gt9

Crystal structure of GanP, a glucose-galactose binding protein from Geobacillus stearothermophilus, in complex with galactose

• PDB DOI: https://doi.org/10.2210/pdb6GT9/pdb

• Classification: SUGAR BINDING PROTEIN
• Organism(s): Geobacillus stearothermophilus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2018-06-16 Released: 2019-06-26 
• Deposition Author(s): Sherf, D., Lansky, S., Zehavi, A., Shoham, Y., Shoham, G.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.89 Å
• R-Value Free: 
  0.239 (Depositor), 0.240 (DCC) 
• R-Value Work: 
  0.192 (Depositor), 0.190 (DCC) 
• R-Value Observed: 
  0.193 (Depositor) 

Starting Model: experimental

Literature

The crystal structure of GanP, a glucose-galactose binding protein from Geobacillus stearothermophilus, in complex with galactose

Sherf, D., Zehavi, A., Lansky, S., Shoham, Y., Shoham, G.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Biological Assembly 3  

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

Biological assembly 3 assigned by authors.

Biological Assembly 4  

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

Biological assembly 4 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 143.19 kDa 
• Atom Count: 9,721 
• Modeled Residue Count: 1,132 
• Deposited Residue Count: 1,272 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative sugar binding protein	A, B, C, D	318	Geobacillus stearothermophilus	Mutation(s): 0  Gene Names: ganP
UniProt
Find proteins for W8QN64 (Geobacillus stearothermophilus) Explore W8QN64  Go to UniProtKB:  W8QN64

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GAL	E [auth A], G [auth B], I [auth C], K [auth D]	beta-D-galactopyranose C6 H12 O6 WQZGKKKJIJFFOK-FPRJBGLDSA-N
SO4	F [auth A], H [auth B], J [auth C], L [auth D]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.89 Å
• R-Value Free:  0.239 (Depositor), 0.240 (DCC) 
• R-Value Work:  0.192 (Depositor), 0.190 (DCC) 
• R-Value Observed: 0.193 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 71.52	α = 90
b = 88.89	β = 95.41
c = 88.88	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2019-06-26 
Deposition Author(s): Sherf, D., Lansky, S., Zehavi, A., Shoham, Y., Shoham, G.

Revision History  

• Version 1.0: 2019-06-26
  Type: Initial release
  
• Version 1.1: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Structure summary
• Version 1.2: 2024-01-17
  Changes: Data collection, Database references, Refinement description, Structure summary