1KQE

Solution structure of a linked shortened gramicidin A in benzene/acetone 10:1

• PDB DOI: https://doi.org/10.2210/pdb1KQE/pdb

• Classification: ANTIBIOTIC
• Organism(s): Brevibacillus brevis
• Mutation(s): No 


• Deposited: 2002-01-05 Released: 2002-11-27 
• Deposition Author(s): Arndt, H.D., Bockelmann, D., Knoll, A., Lamberth, S., Griesinger, C., Koert, U.

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Experimental Data Snapshot

• Method: SOLUTION NMR
• Conformers Calculated: 200 
• Conformers Submitted: 1 

Literature

Cation Control in Functional Helical Programming: Structures of a D,L-Peptide Ion Channel

Arndt, H.D., Bockelmann, D., Knoll, A., Lamberth, S., Griesinger, C., Koert, U.

(2002) Angew Chem Int Ed Engl 41: 4062

• PubMed: 12412082 
• DOI: https://doi.org/10.1002/1521-3773(20021104)41:21<4062::AID-ANIE4062>3.0.CO;2-U
• Primary Citation of Related Structures:  
  1KQE

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Organizational Affiliation: 

Humboldt-Universität zu Berlin, Institut für Chemie, Brook-Taylor-Strasse 2, 12489 Berlin, Germany.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 6.26 kDa 
• Atom Count: 452 
• Modelled Residue Count: 48 
• Deposited Residue Count: 48 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
MINI-GRAMICIDIN A	A, C [auth D]	12	Brevibacillus brevis	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
MINI-GRAMICIDIN A	B, D [auth E]	12	Brevibacillus brevis	Mutation(s): 0

Biologically Interesting Molecules (External Reference) 2 Unique

Entity ID: 1
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_000154	A, C [auth D]	MINI-GRAMICIDIN A DIMER	Polypeptide / Antibiotic

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_000154	B, D [auth E]	MINI-GRAMICIDIN A DIMER	Polypeptide / Antibiotic

Experimental Data & Validation

Experimental Data

• Method: SOLUTION NMR
• Conformers Calculated: 200 
• Conformers Submitted: 1 

Structure Validation

Entry History 

Deposition Data

• Released Date: 2002-11-27 
Deposition Author(s): Arndt, H.D., Bockelmann, D., Knoll, A., Lamberth, S., Griesinger, C., Koert, U.

Revision History  

• Version 1.0: 2002-11-27
  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: 2011-08-10
  Changes: Advisory
• Version 1.5: 2012-12-12
  Changes: Other
• Version 1.6: 2013-03-06
  Changes: Structure summary
• Version 1.7: 2013-03-27
  Changes: Database references
• Version 1.8: 2013-04-10
  Changes: Derived calculations
• Version 1.9: 2018-07-18
  Changes: Data collection, Structure summary
• Version 2.0: 2023-06-14
  Changes: Atomic model, Data collection, Database references, Derived calculations, Non-polymer description, Polymer sequence, Source and taxonomy, Structure summary
• Version 3.0: 2023-11-15
  Changes: Atomic model, Data collection, Derived calculations