6BH7 | pdb_00006bh7

Phosphotriesterase variant R18+254S

• PDB DOI: https://doi.org/10.2210/pdb6BH7/pdb

• Classification: HYDROLASE
• Organism(s): Brevundimonas diminuta
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2017-10-30 Released: 2019-01-23 
• Deposition Author(s): Miton, C.M., Campbell, E.C., Jackson, C.J., Tokuriki, N.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 
  0.198 (Depositor), 0.200 (DCC) 
• R-Value Work: 
  0.166 (Depositor), 0.170 (DCC) 
• R-Value Observed: 
  0.167 (Depositor) 

Starting Model: experimental

Literature

Phosphotriesterase variant R18+254S

Miton, C.M., Campbell, E.C., Jackson, C.J., Tokuriki, N.

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)

Macromolecule Content 

• Total Structure Weight: 73.35 kDa 
• Atom Count: 6,470 
• Modeled Residue Count: 636 
• Deposited Residue Count: 666 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Phosphotriesterase	A, B [auth G]	333	Brevundimonas diminuta	Mutation(s): 0  EC: 3.1.8.1
UniProt
Find proteins for A0A060GYS7 (Brevundimonas diminuta) Explore A0A060GYS7  Go to UniProtKB:  A0A060GYS7

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CAC	J [auth G]	CACODYLATE ION C2 H6 As O2 OGGXGZAMXPVRFZ-UHFFFAOYSA-M
MPD	E [auth A], F [auth A], G [auth A], K [auth G], L [auth G]	(4S)-2-METHYL-2,4-PENTANEDIOL C6 H14 O2 SVTBMSDMJJWYQN-YFKPBYRVSA-N
ZN	C [auth A], D [auth A], H [auth G], I [auth G]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
KCX	A, B [auth G]	L-PEPTIDE LINKING	C7 H14 N2 O4		LYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free:  0.198 (Depositor), 0.200 (DCC) 
• R-Value Work:  0.166 (Depositor), 0.170 (DCC) 
• R-Value Observed: 0.167 (Depositor) 

Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 85.673	α = 90
b = 86.012	β = 90
c = 88.676	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
Aimless	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2019-01-23 
Deposition Author(s): Miton, C.M., Campbell, E.C., Jackson, C.J., Tokuriki, N.

Revision History  

• Version 1.0: 2019-01-23
  Type: Initial release
  
• Version 1.1: 2023-10-04
  Changes: Advisory, Data collection, Database references, Derived calculations, Refinement description
• Version 1.2: 2023-11-15
  Changes: Data collection