3V2U

Crystal structure of the yeast GAL regulon complex of the repressor, Gal80p, and the transducer, Gal3p, with galactose and ATP

• PDB DOI: https://doi.org/10.2210/pdb3V2U/pdb

• Classification: TRANSCRIPTION
• Organism(s): Saccharomyces cerevisiae S288C
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2011-12-12 Released: 2012-02-08 
• Deposition Author(s): Lavy, T., Kumar, P.R., He, H., Joshua-Tor, L.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.197 
• R-Value Work: 0.150 
• R-Value Observed: 0.150 

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 

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

Macromolecule Content

• Total Structure Weight: 215.22 kDa 
• Atom Count: 15,960 
• Modelled Residue Count: 1,841 
• Deposited Residue Count: 1,916 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Galactose/lactose metabolism regulatory protein GAL80	A, B	438	Saccharomyces cerevisiae S288C	Mutation(s): 0  Gene Names: GAL80, YML051W, YM9958.12, YM9827.01
UniProt
Find proteins for P04387 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P04387  Go to UniProtKB:  P04387

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein GAL3	C, D	520	Saccharomyces cerevisiae S288C	Mutation(s): 0  Gene Names: GAL3, YDR009W, YD8119.14
UniProt
Find proteins for P13045 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P13045  Go to UniProtKB:  P13045

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ATP	I [auth C], L [auth D]	ADENOSINE-5'-TRIPHOSPHATE C10 H16 N5 O13 P3 ZKHQWZAMYRWXGA-KQYNXXCUSA-N
GLA	H [auth C], K [auth D]	alpha-D-galactopyranose C6 H12 O6 WQZGKKKJIJFFOK-PHYPRBDBSA-N
GOL	E [auth A], F [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
MG	G [auth C], J [auth D]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.197 
• R-Value Work: 0.150 
• R-Value Observed: 0.150 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 82.186	α = 114.04
b = 83.221	β = 92.88
c = 92.629	γ = 90.37

Software Package:

Software Name	Purpose
CBASS	data collection
PHASER	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-02-08 
Deposition Author(s): Lavy, T., Kumar, P.R., He, H., Joshua-Tor, L.

Revision History  

• Version 1.0: 2012-02-08
  Type: Initial release
  
• Version 1.1: 2012-03-14
  Changes: Refinement description
• Version 1.2: 2012-03-21
  Changes: Database references
• Version 1.3: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Database references, Derived calculations, Structure summary
• Version 1.4: 2023-09-13
  Changes: Data collection, Database references, Refinement description, Structure summary