1JOH

THE STRUCTURE OF ANTIAMOEBIN I, A MEMBRANE-ACTIVE PEPTIDE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.40 Å
  • R-Value Observed: 0.156 

wwPDB Validation 3D Report Full Report


This is version 1.5 of the entry. See complete history


Literature

The Structure and Function of Antiamoebin I, a Proline-Rich Membrane-Active Polypeptide.

Snook, C.F.Woolley, G.A.Oliva, G.Pattabhi, V.Wood, S.F.Blundell, T.L.Wallace, B.A.

(1998) Structure 6: 783

  • DOI: 10.1016/s0969-2126(98)00079-3
  • Structures With Same Primary Citation

  • PubMed Abstract: 
  • Antiamoebin is a member of the peptaibol family of polypeptides and has a unique antibiotic activity: it acts as an antiamoebic agent, but does not effectively haemolyze erythrocytes even though it does exhibit membrane-modifying activity.


    Related Citations: 
    • The Molecular-Replacement Solution of an Intermediate-Sized Helical Polypeptide, Antiamoebin I.
      Snook, C.F., Wallace, B.A.
      (1999) Acta Crystallogr D Biol Crystallogr 55: 1539
    • The Structure and Function of Antiamoebin I, a Membrane-Active Peptide
      Snook, C.F.
      (1997) Thesis --: --
    • Molecular Redundancy and Protein Crystallography : X-Ray Structure Analysis of Antiamoebin I, Bovine Pancreatic Polypeptide and Human Serum Amyloid P Component
      Oliva, G.
      (1988) Thesis --: --

    Organizational Affiliation

    Department of Crystallography Birkbeck College University of London London, WC1E 7HX, UK.



Macromolecules
  • Find similar proteins by: Sequence   |   Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
ANTIAMOEBIN IA, B17EmericellopsisMutation(s): 0 
Protein Feature View
 ( Mouse scroll to zoom / Hold left click to move )
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
MOH
Query on MOH

Download CCD File 
A, B
METHANOL
C H4 O
OKKJLVBELUTLKV-UHFFFAOYSA-N
 Ligand Interaction
Biologically Interesting Molecules 1 Unique
IDChainsNameType/Class2D Diagram3D Interactions
PRD_000161
Query on PRD_000161
A, BAntiamoebin 1P /  Antibiotic

--

Modified Residues  3 Unique
IDChainsTypeFormula2D DiagramParent
AIB
Query on AIB
A,BL-PEPTIDE LINKINGC4 H9 N O2ALA
HYP
Query on HYP
A,BL-PEPTIDE LINKINGC5 H9 N O3PRO
PHL
Query on PHL
A,BL-PEPTIDE LINKINGC9 H13 N OPHE
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.40 Å
  • R-Value Observed: 0.156 
  • Space Group: P 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 26.53α = 88.9
b = 28.82β = 96.64
c = 9.06γ = 123.85
Software Package:
Software NamePurpose
SHELXL-93model building
SHELXL-93refinement
SHELXL-93phasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 1999-01-20
    Type: Initial release
  • Version 1.1: 2011-06-14
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2011-07-27
    Changes: Atomic model, Database references, Derived calculations, Non-polymer description, Structure summary
  • Version 1.4: 2012-12-12
    Changes: Other
  • Version 1.5: 2020-03-04
    Changes: Data collection, Derived calculations, Other, Refinement description, Structure summary