7ULS

Recombinant muscarinic toxin alpha

• PDB DOI: https://doi.org/10.2210/pdb7ULS/pdb

• Classification: BIOSYNTHETIC PROTEIN
• Organism(s): Dendroaspis polylepis polylepis
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2022-04-05 Released: 2023-05-03 
• Deposition Author(s): Xu, J., Lei, X., Chen, L.
• Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.220 
• R-Value Work: 0.190 
• R-Value Observed: 0.191 

Literature

recombinant MTalpha at 1.8 Angstroms resolution

Xu, J., Lei, X., Chen, L.

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)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 7.88 kDa 
• Atom Count: 613 
• Modelled Residue Count: 67 
• Deposited Residue Count: 67 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Muscarinic toxin alpha	A	67	Dendroaspis polylepis polylepis	Mutation(s): 0
UniProt
Find proteins for P80494 (Dendroaspis polylepis polylepis) Explore P80494  Go to UniProtKB:  P80494

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.220 
• R-Value Work: 0.190 
• R-Value Observed: 0.191 
• Space Group: P 6₃

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 58.555	α = 90
b = 58.555	β = 90
c = 35.395	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
PHENIX	model building
HKL-2000	data reduction
SCALEPACK	data scaling
PHENIX	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-05-03 
Deposition Author(s): Xu, J., Lei, X., Chen, L.

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Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	R01GM064642

Revision History  

• Version 1.0: 2023-05-03
  Type: Initial release
  
• Version 1.1: 2023-10-25
  Changes: Data collection, Refinement description