› 7lib

X-ray diffraction
1.1Å resolution

X-ray crystal structure of a cyclic peptide containing beta-2-microglobulin (63-69) and a gamma-methylornithine turn unit

Released:
DOI: 10.2210/pdb7lib/pdb
PDB entry 7lib coloured by chain, front view.
PDB entry 7lib coloured by chain, side view.
PDB entry 7lib coloured by chain, top view.
Source organism: synthetic construct
Primary publication:
An Improved Turn Structure for Inducing β-Hairpin Formation in Peptides.
Li X, Sabol AL, Wierzbicki M, Salveson PJ, Nowick JS
Angew Chem Int Ed Engl 60 22776-22782 (2021)
PMID: 34258835

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo octamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-168427 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cyclic peptide ORD-TYR-LEU-LEU-PHI-TYR-THR-GLU-GMO-LYS-VAL-THR-MVA-THR-VAL-LYS Chain: A
Molecule details ›
Chain: A
Length: 16 amino acids
Theoretical weight: 2.09 KDa
Source organism: synthetic construct
Expression system: Not provided

Ligands and Environments

No bound ligands
4 modified residues:
Ligand ORN 1 x ORN
Ligand PHI 1 x PHI
Ligand Y1V 1 x Y1V
Ligand MVA 1 x MVA

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-2
Spacegroup: I422
Unit cell:
a: 38.574Å b: 38.574Å c: 34.925Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.179 0.178 0.208
Expression system: Not provided

Quick links

Citations

2 citation in other articles

Macrocyclic β-Sheets Stabilized by Hydrogen Bond Surrogates.
Nazzaro et al. (2023)
1 more

1 mention without citation

An Improved Turn Structure for Inducing β-Hairpin Formation in Peptides.
Li et al. (2021)