4NS4

Crystal structure of cold-active estarase from Psychrobacter cryohalolentis K5T

• PDB DOI: https://doi.org/10.2210/pdb4NS4/pdb

• Classification: HYDROLASE
• Organism(s): Psychrobacter cryohalolentis K5
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2013-11-28 Released: 2015-01-07 
• Deposition Author(s): Boyko, K.M., Petrovskaya, L.E., Gorbacheva, M.A., Korgenevsky, D.A., Novototskaya-Vlasova, K.A., Rivkina, E.M., Dolgikh, D.A., Kirpichnikov, M.P., Lipkin, A.V., Popov, V.O.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free: 0.254 
• R-Value Work: 0.187 
• R-Value Observed: 0.190 

Starting Model: experimental

Literature

Three-dimentional structure of an esterse from Psychrobacter cryohalolentis K5T provides clues to unusual thermostability of a cold-active enzyme

Boyko, K.M., Petrovskaya, L.E., Gorbacheva, M.A., Korgenevsky, D.A., Novototskaya-Vlasova, K.A., Rivkina, E.M., Dolgikh, D.A., Kirpichnikov, M.P., Lipkin, A.V., Popov, V.O.

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)

Macromolecule Content

• Total Structure Weight: 35.66 kDa 
• Atom Count: 2,260 
• Modelled Residue Count: 271 
• Deposited Residue Count: 323 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Alpha/beta hydrolase fold protein	A	323	Psychrobacter cryohalolentis K5	Mutation(s): 0  Gene Names: Pcryo_0023 EC: 3.1.1.6
UniProt
Find proteins for Q1QEU6 (Psychrobacter cryohalolentis (strain ATCC BAA-1226 / DSM 17306 / VKM B-2378 / K5)) Explore Q1QEU6  Go to UniProtKB:  Q1QEU6

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free: 0.254 
• R-Value Work: 0.187 
• R-Value Observed: 0.190 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 53.2	α = 90
b = 59.4	β = 90
c = 105.5	γ = 90

Software Package:

Software Name	Purpose
MAR345dtb	data collection
BALBES	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-01-07 
Deposition Author(s): Boyko, K.M., Petrovskaya, L.E., Gorbacheva, M.A., Korgenevsky, D.A., Novototskaya-Vlasova, K.A., Rivkina, E.M., Dolgikh, D.A., Kirpichnikov, M.P., Lipkin, A.V., Popov, V.O.

Revision History  

• Version 1.0: 2015-01-07
  Type: Initial release
  
• Version 1.1: 2023-09-20
  Changes: Data collection, Database references, Refinement description