8FMD | pdb_00008fmd

Crystal Structure of Kemp Eliminase KE70-core in unbound state

• PDB DOI: https://doi.org/10.2210/pdb8FMD/pdb

• Classification: LYASE
• Organism(s): Escherichia coli
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2022-12-23 Released: 2024-01-10 
• Deposition Author(s): Zarifi, N., Asthana, P., Fraser, J.S., Chica, R.A.
• Funding Organization(s): Natural Sciences and Engineering Research Council (NSERC, Canada), Canada Foundation for Innovation

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 
  0.194 (Depositor) 
• R-Value Work: 
  0.162 (Depositor) 
• R-Value Observed: 
  0.164 (Depositor) 

Starting Model: experimental

Literature

Crystal Structure of Kemp Eliminase KE70-core in unbound state

Zarifi, N., Asthana, P., Fraser, J.S., Chica, R.A.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 57.44 kDa 
• Atom Count: 3,937 
• Modeled Residue Count: 503 
• Deposited Residue Count: 540 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Kemp Eliminase KE70-core	A, B	270	Escherichia coli	Mutation(s): 0  EC: 4.1.2.4
UniProt
Find proteins for P0A6L0 (Escherichia coli (strain K12)) Explore P0A6L0  Go to UniProtKB:  P0A6L0

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free:  0.194 (Depositor) 
• R-Value Work:  0.162 (Depositor) 
• R-Value Observed: 0.164 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 62.915	α = 90
b = 53.992	β = 110.872
c = 81.455	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
Coot	model building
XDS	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2024-01-10 
Deposition Author(s): Zarifi, N., Asthana, P., Fraser, J.S., Chica, R.A.

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Funding Organization	Location	Grant Number
Natural Sciences and Engineering Research Council (NSERC, Canada)	Canada	RGPIN-2016-04831
Canada Foundation for Innovation	Canada	26503

Revision History  

• Version 1.0: 2024-01-10
  Type: Initial release