1EVC

NMR structure of CYANOBACTERIAL TOXIN, PHOSPHATASE-1/-2A INHIBITOR

• PDB DOI:  https://doi.org/10.2210/pdb1EVC/pdb

• Classification: HYDROLASE INHIBITOR, TOXIN
• Organism(s): unidentified
• Mutation(s): No 


• Deposited: 1996-02-14 Released: 1996-11-08 
• Deposition Author(s): Bagu, J.R., Sykes, B.D.

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Submitted: 48 

Literature

Comparison of the solution structures of microcystin-LR and motuporin.

Bagu, J.R., Sonnichsen, F.D., Williams, D., Andersen, R.J., Sykes, B.D., Holmes, C.F.

(1995) Nat Struct Biol 2: 114-116

• PubMed: 7749913 
• DOI: https://doi.org/10.1038/nsb0295-114
• Primary Citation of Related Structures:  
  1EVA, 1EVB, 1EVC, 1EVD


• PubMed Abstract: 
  

A comparison of the structures of two cyanobacterial toxins yields insights into how they may inhibit protein phosphatase-1 and -2A and why microcystins but not motuporin may covalently modify their protein phosphatase targets.

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Related Citations: 

• Inhibitors of Protein Phosphatase-1 and-2A; Two of Major Serine/Threonine Protein Phosphatases Involved in Cellular Regulation
  Holmes, C.F.B., Boland, M.P.
  (1993) Curr Opin Struct Biol 3: 934

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Organizational Affiliation: 

Department of Protein Engineering, Genentech, Inc., 1 DNA Way, South San Francisco, California 94080, USA.

Biological Assembly 1  

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 0.79 kDa 
• Atom Count: 54 
• Modelled Residue Count: 5 
• Deposited Residue Count: 5 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
MOTUPORIN	A	5	unidentified	Mutation(s): 0

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 1
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_000213	A	motuporin	Cyclic peptide / Toxin		Ligand Interaction

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Submitted: 48 

Structure Validation

Entry History 

Deposition Data

• Released Date: 1996-11-08 
Deposition Author(s): Bagu, J.R., Sykes, B.D.

Revision History  

• Version 1.0: 1996-11-08
  Type: Initial release
  
• Version 1.1: 2008-03-24
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Database references, Derived calculations, Non-polymer description, Version format compliance
• Version 1.3: 2011-07-27
  Changes: Database references
• Version 1.4: 2012-12-12
  Changes: Other
• Version 1.5: 2020-06-24
  Changes: Advisory, Database references, Derived calculations, Other