› 1pt4

Solution NMR

Solution structure of the Moebius cyclotide kalata B2

Released:
DOI: 10.2210/pdb1pt4/pdb
PDB entry 1pt4 coloured by chain, ensemble of 20 models, front view.
PDB entry 1pt4 coloured by chain, ensemble of 20 models, side view.
PDB entry 1pt4 coloured by chain, ensemble of 20 models, top view.
Source organism: Oldenlandia affinis
Primary publication:
Isolation, solution structure, and insecticidal activity of kalata B2, a circular protein with a twist: do Möbius strips exist in nature?
Jennings CV, Rosengren KJ, Daly NL, Plan M, Stevens J, Scanlon MJ, Waine C, Norman DG, Anderson MA, Craik DJ
Biochemistry 44 851-60 (2005)
PMID: 15654741

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
Cellular component:
  • not assigned
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-157686 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Kalata-B2 Chain: A
Molecule details ›
Chain: A
Length: 29 amino acids
Theoretical weight: 2.98 KDa
Source organism: Oldenlandia affinis
UniProt:
  • Canonical: P58454 (Residues: 179-207; Coverage: 15%)
Gene name: OAK4
Sequence domains: Cyclotide family

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Refinement method: Simulated annealing using both torsion angle and Cartesian dynamics.

Quick links

Citations

38 review citations

Ribosomally synthesized and post-translationally modified peptide natural products: overview and recommendations for a universal nomenclature.
Arnison et al. (2013)
37 more

5 mentions without citation

Host-defense activities of cyclotides.
Craik DJ. (2012)
4 more