› 1ops

X-ray diffraction
2Å resolution

ICE-BINDING SURFACE ON A TYPE III ANTIFREEZE PROTEIN FROM OCEAN POUT

Released:
DOI: 10.2210/pdb1ops/pdb
PDB entry 1ops coloured by chain, front view.
PDB entry 1ops coloured by chain, side view.
PDB entry 1ops coloured by chain, top view.
Source organism: Zoarces americanus
Primary publication:
Identification of the ice-binding surface on a type III antifreeze protein with a "flatness function" algorithm.
Yang DS, Hon WC, Bubanko S, Xue Y, Seetharaman J, Hew CL, Sicheri F
Biophys J 74 2142-51 (1998)
PMID: 9591641

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-148667 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Ice-structuring protein SP2(HPLC 1) Chain: A
Molecule details ›
Chain: A
Length: 64 amino acids
Theoretical weight: 6.75 KDa
Source organism: Zoarces americanus
UniProt:
  • Canonical: P19608 (Residues: 1-64; Coverage: 100%)
Sequence domains: SAF domain
Structure domains: Antifreeze-like/N-acetylneuraminic acid synthase C-terminal domain

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RUH2R
Spacegroup: P21
Unit cell:
a: 23.06Å b: 40.79Å c: 29.99Å
α: 90° β: 100.6° γ: 90°
R-values:
R R work R free
0.204 0.204 0.259

Quick links

Citations

7 review citations

Antifreeze proteins of teleost fishes.
Fletcher et al. (2001)
6 more

7 mentions without citation

Thoroughly sampling sequence space: large-scale protein design of structural ensembles.
Larson et al. (2002)
6 more