1VQ0

Crystal structure of 33 kDa chaperonin (Heat shock protein 33 homolog) (HSP33) (TM1394) from Thermotoga maritima at 2.20 A resolution

• PDB DOI: https://doi.org/10.2210/pdb1VQ0/pdb

• Classification: CHAPERONE
• Organism(s): Thermotoga maritima
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2004-11-30 Released: 2004-12-14 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.241 
• R-Value Work: 0.198 
• R-Value Observed: 0.200 

Starting Model: experimental

Literature

Crystal structure of Hsp33 chaperone (TM1394) from Thermotoga maritima at 2.20 A resolution.

Jaroszewski, L., Schwarzenbacher, R., McMullan, D., Abdubek, P., Agarwalla, S., Ambing, E., Axelrod, H., Biorac, T., Canaves, J.M., Chiu, H.J., Deacon, A.M., DiDonato, M., Elsliger, M.A., Godzik, A., Grittini, C., Grzechnik, S.K., Hale, J., Hampton, E., Han, G.W., Haugen, J., Hornsby, M., Klock, H.E., Koesema, E., Kreusch, A., Kuhn, P., Lesley, S.A., Miller, M.D., Moy, K., Nigoghossian, E., Paulsen, J., Quijano, K., Reyes, R., Rife, C., Spraggon, G., Stevens, R.C., van den Bedem, H., Velasquez, J., Vincent, J., White, A., Wolf, G., Xu, Q., Hodgson, K.O., Wooley, J., Wilson, I.A.

(2005) Proteins 61: 669-673

• PubMed: 16167343 
• DOI: https://doi.org/10.1002/prot.20542
• Primary Citation of Related Structures:  
  1VQ0

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Organizational Affiliation: 

The Joint Center for Structural Genomics.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 68.48 kDa 
• Atom Count: 4,889 
• Modelled Residue Count: 580 
• Deposited Residue Count: 604 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
33 kDa chaperonin	A, B	302	Thermotoga maritima	Mutation(s): 0  Gene Names: hslO, TM1394
UniProt
Find proteins for Q9X1B4 (Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)) Explore Q9X1B4  Go to UniProtKB:  Q9X1B4

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	C [auth A], G [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
EDO	F [auth A], J [auth B], K [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
CL	D [auth A], H [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
UNL	E [auth A], I [auth B]	Unknown ligand VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.241 
• R-Value Work: 0.198 
• R-Value Observed: 0.200 
• Space Group: P 2₁ 2₁ 2₁
• Diffraction Data: https://doi.org/10.18430/M31VQ0

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 76.213	α = 90
b = 101.673	β = 90
c = 113.686	γ = 90

Software Package:

Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing
REFMAC	refinement
CCP4	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-12-14 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2004-12-14
  Type: Initial release
  
• Version 1.1: 2008-04-26
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Refinement description, Version format compliance
• Version 1.3: 2023-01-25
  Changes: Database references, Derived calculations
• Version 1.4: 2023-09-20
  Changes: Data collection, Refinement description