5ZDI

Crystal structure of CsaA chaperone protein from picrophilus torridus

• PDB DOI: https://doi.org/10.2210/pdb5ZDI/pdb

• Classification: CHAPERONE
• Organism(s): Picrophilus oshimae DSM 9789
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2018-02-23 Released: 2019-02-27 
• Deposition Author(s): Kumari, S., Sharma, A., Goel, M.
• Funding Organization(s): Department of Biotechnology , Ministry of Science and Technology (New Delhi, India)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.224 
• R-Value Work: 0.183 
• R-Value Observed: 0.185 

Literature

Crystal structure of CsaA chaperone protein from picrophilus torridus

Sharma, A., Kumari, S., Verma, V., Goel, M.

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)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 23.71 kDa 
• Atom Count: 1,955 
• Modelled Residue Count: 214 
• Deposited Residue Count: 214 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein secretion chaperonin CsaA	A, B	107	Picrophilus oshimae DSM 9789	Mutation(s): 0  Gene Names: PTO0409
UniProt
Find proteins for Q6L208 (Picrophilus torridus (strain ATCC 700027 / DSM 9790 / JCM 10055 / NBRC 100828 / KAW 2/3)) Explore Q6L208  Go to UniProtKB:  Q6L208

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	C [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.70 Å
• R-Value Free: 0.224 
• R-Value Work: 0.183 
• R-Value Observed: 0.185 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.009	α = 90
b = 65.334	β = 90
c = 75.588	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2019-02-27 
Deposition Author(s): Kumari, S., Sharma, A., Goel, M.

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Funding Organization	Location	Grant Number
Department of Biotechnology , Ministry of Science and Technology (New Delhi, India)	India	BT/Bio-CARe/01/9935/2013-14

Revision History  

• Version 1.0: 2019-02-27
  Type: Initial release
  
• Version 1.1: 2023-11-22
  Changes: Data collection, Database references, Refinement description