› 1nb1

Solution NMR

High resolution solution structure of kalata B1

Released:
DOI: 10.2210/pdb1nb1/pdb
PDB entry 1nb1 coloured by chain, ensemble of 20 models, front view.
PDB entry 1nb1 coloured by chain, ensemble of 20 models, side view.
PDB entry 1nb1 coloured by chain, ensemble of 20 models, top view.
Source organism: Oldenlandia affinis
Primary publication:
Twists, knots, and rings in proteins. Structural definition of the cyclotide framework.
Rosengren KJ, Daly NL, Plan MR, Waine C, Craik DJ
J Biol Chem 278 8606-16 (2003)
PMID: 12482868

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-157444 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Kalata-B1 Chain: A
Molecule details ›
Chain: A
Length: 29 amino acids
Theoretical weight: 2.92 KDa
Source organism: Oldenlandia affinis
UniProt:
  • Canonical: P56254 (Residues: 93-120; Coverage: 28%)
Gene name: OAK1
Sequence domains: Cyclotide family

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Refinement method: Structures were calculated using torsion angle dynamics and refined in explicit solvent using cartesian dynamics and powell restrained minimisation.

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Citations

23 review citations

Antimicrobial Peptides from Plants.
Tam et al. (2015)
22 more

72 mentions without citation

Cyclotides, a novel ultrastable polypeptide scaffold for drug discovery.
Gould et al. (2011)
71 more