Biological Assembly 1  

 3D View: Structure | Ligand Interaction

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

 3D View: Structure | Ligand Interaction

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 4.05 kDa 
• Atom Count: 268 
• Residue Count: 34 
• Unique protein chains: 1

1JOH

THE STRUCTURE OF ANTIAMOEBIN I, A MEMBRANE-ACTIVE PEPTIDE

• DOI: 10.2210/pdb1JOH/pdb

• Classification: ANTIBIOTIC
• Organism(s): Emericellopsis
• Mutation(s): No 


• Deposited: 1997-10-11 Released: 1999-01-20 
• Deposition Author(s): Snook, C.F., Wallace, B.A.

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Experimental Data Snapshot

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

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

• PubMed: 9655831 
• 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.

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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 --: --

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Organizational Affiliation: 

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

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
ANTIAMOEBIN I	A, B	17	Emericellopsis	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MOH	A, B	METHANOL C H4 O OKKJLVBELUTLKV-UHFFFAOYSA-N

Biologically Interesting Molecules 1 Unique
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_000161	A, B	Antiamoebin 1	P /  Antibiotic		--

Modified Residues  3 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
AIB	A,B	L-PEPTIDE LINKING	C4 H9 N O2		ALA
HYP	A,B	L-PEPTIDE LINKING	C5 H9 N O3		PRO
PHL	A,B	L-PEPTIDE LINKING	C9 H13 N O		PHE

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 = 26.53	α = 88.9
b = 28.82	β = 96.64
c = 9.06	γ = 123.85

Software Package:

Software Name	Purpose
SHELXL-93	model building
SHELXL-93	refinement
SHELXL-93	phasing

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 1997-10-11 
• Released Date: 1999-01-20 
Deposition Author(s): Snook, C.F., Wallace, B.A.

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