› 3a19

X-ray diffraction
1.55Å resolution

Structure of (PPG)4-OOG-(PPG)4_H monoclinic, twinned crystal

Released:
DOI: 10.2210/pdb3a19/pdb
PDB entry 3a19 coloured by chain, front view.
PDB entry 3a19 coloured by chain, side view.
PDB entry 3a19 coloured by chain, top view.
Source organism: Synthetic construct
Primary publication:
Two crystal modifications of (Pro-Pro-Gly)4-Hyp-Hyp-Gly-(Pro-Pro-Gly)4 reveal the puckering preference of Hyp(X) in the Hyp(X):Hyp(Y) and Hyp(X):Pro(Y) stacking pairs in collagen helices.
Okuyama K, Morimoto T, Narita H, Kawaguchi T, Mizuno K, Bächinger HP, Wu G, Noguchi K
Acta Crystallogr D Biol Crystallogr 66 88-96 (2010)
PMID: 20057053

Function and Biology Details

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

Structure analysis Details

Assemblies composition:
homo trimer (preferred)
homo hexamer
Assembly name:
PDBe Complex ID:
PDB-CPX-163392 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
collagen-like peptide Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 27 amino acids
Theoretical weight: 2.31 KDa
Source organism: Synthetic construct
Expression system: Not provided

Ligands and Environments

No bound ligands
1 modified residue:
Ligand HYP 12 x HYP

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE BL-6A
Spacegroup: P21
Unit cell:
a: 23.649Å b: 26.928Å c: 79.656Å
α: 90° β: 89.93° γ: 90°
R-values:
R R work R free
0.166 0.166 0.204
Expression system: Not provided

Quick links

Citations

4 citation in other articles

Self-assembly of left- and right-handed molecular screws.
Xu et al. (2013)
3 more

1 mention without citation

Rules for the design of aza-glycine stabilized triple-helical collagen peptides.
Melton et al. (2020)