3GL1

Crystal structure of ATPase domain of Ssb1 chaperone, a member of the HSP70 family, from Saccharomyces cerevisiae

• PDB DOI: https://doi.org/10.2210/pdb3GL1/pdb

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


• Deposited: 2009-03-11 Released: 2009-03-24 
• Deposition Author(s): Osipiuk, J., Li, H., Bargassa, M., Sahi, C., Craig, E.A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.92 Å
• R-Value Free: 0.218 
• R-Value Work: 0.164 
• R-Value Observed: 0.167 

Starting Model: experimental

Literature

Crystal structure of ATPase domain of Ssb1 chaperone, member of the HSP70 family from Saccharomyces cerevisiae.

Osipiuk, J., Li, H., Bargassa, M., Sahi, C., Craig, E.A., Joachimiak, A.

To be published.

Biological Assembly 1  

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

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

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 84.61 kDa 
• Atom Count: 6,667 
• Modelled Residue Count: 764 
• Deposited Residue Count: 774 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Heat shock protein SSB1	A, B	387	Saccharomyces cerevisiae	Mutation(s): 0  Gene Names: SSB1, YDL229W, YG101 EC: 3.6.4.10
UniProt
Find proteins for P11484 (Saccharomyces cerevisiae (strain ATCC 204508 / S288c)) Explore P11484  Go to UniProtKB:  P11484

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	M [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
CL	E [auth A], F [auth A], G [auth A], H [auth A], J [auth B], K [auth B], L [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
MG	C [auth A], D [auth A], I [auth B]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.92 Å
• R-Value Free: 0.218 
• R-Value Work: 0.164 
• R-Value Observed: 0.167 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 76.543	α = 90
b = 54.504	β = 104.36
c = 90.623	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-2000	data reduction
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-03-24 
Deposition Author(s): Osipiuk, J., Li, H., Bargassa, M., Sahi, C., Craig, E.A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2009-03-24
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2017-11-01
  Changes: Refinement description
• Version 1.3: 2023-09-06
  Changes: Data collection, Database references, Derived calculations, Refinement description