6B52

Schistosoma haematobium (Blood Fluke) Sulfotransferase/Oxamniquine Complex, Y54F Mutant

• PDB DOI: https://doi.org/10.2210/pdb6B52/pdb

• Classification: TRANSFERASE
• Organism(s): Schistosoma haematobium
• Expression System: Escherichia coli BL21
• Mutation(s): Yes 


• Deposited: 2017-09-27 Released: 2018-10-10 
• Deposition Author(s): Taylor, A.B.
• Funding Organization(s): National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.233 
• R-Value Work: 0.186 
• R-Value Observed: 0.190 

Starting Model: experimental

Literature

Why does oxamniquine kill Schistosoma mansoni and not S. haematobium and S. japonicum?

Rugel, A.R., Guzman, M.A., Taylor, A.B., Chevalier, F.D., Tarpley, R.S., McHardy, S.F., Cao, X., Holloway, S.P., Anderson, T.J.C., Hart, P.J., LoVerde, P.T.

(2020) Int J Parasitol 

• DOI: https://doi.org/10.1016/j.ijpddr.2020.04.001

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 29.95 kDa 
• Atom Count: 2,257 
• Modelled Residue Count: 246 
• Deposited Residue Count: 253 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Sulfotransferase	A	253	Schistosoma haematobium	Mutation(s): 1  Gene Names: MS3_07706 EC: 2.8.2
UniProt
Find proteins for A0A094ZWQ2 (Schistosoma haematobium) Explore A0A094ZWQ2  Go to UniProtKB:  A0A094ZWQ2

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
A3P	B [auth A]	ADENOSINE-3'-5'-DIPHOSPHATE C10 H15 N5 O10 P2 WHTCPDAXWFLDIH-KQYNXXCUSA-N
OAQ	C [auth A]	{(2S)-7-nitro-2-[(propan-2-ylamino)methyl]-1,2,3,4-tetrahydroquinolin-6-yl}methanol C14 H21 N3 O3 XCGYUJZMCCFSRP-LBPRGKRZSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.233 
• R-Value Work: 0.186 
• R-Value Observed: 0.190 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 52.429	α = 90
b = 72.551	β = 90
c = 140.307	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2018-10-10 
Deposition Author(s): Taylor, A.B.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)	United States	R01AI115691

Revision History  

• Version 1.0: 2018-10-10
  Type: Initial release
  
• Version 1.1: 2019-12-11
  Changes: Author supporting evidence, Structure summary
• Version 1.2: 2020-04-22
  Changes: Database references
• Version 1.3: 2023-10-04
  Changes: Data collection, Database references, Refinement description