› 1wfb

X-ray diffraction
1.5Å resolution

WINTER FLOUNDER ANTIFREEZE PROTEIN ISOFORM HPLC6 AT-180 DEGREES C

Released:
DOI: 10.2210/pdb1wfb/pdb
PDB entry 1wfb coloured by chain, front view.
PDB entry 1wfb coloured by chain, side view.
PDB entry 1wfb coloured by chain, top view.
Source organism: Pseudopleuronectes americanus
Primary publication:
Ice-binding structure and mechanism of an antifreeze protein from winter flounder.
Sicheri F, Yang DS
Nature 375 427-31 (1995)
PMID: 7760940

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-137310 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Ice-structuring protein A Chains: A, B
Molecule details ›
Chains: A, B
Length: 38 amino acids
Theoretical weight: 3.24 KDa
Source organism: Pseudopleuronectes americanus
Expression system: Not provided
UniProt:
  • Canonical: P04002 (Residues: 45-81; Coverage: 63%)

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P21
Unit cell:
a: 37.409Å b: 36.543Å c: 21.36Å
α: 90° β: 103.36° γ: 90°
R-values:
R R work R free
0.177 0.177 0.196
Expression system: Not provided

Quick links

Citations

29 review citations

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

5 mentions without citation

Freezing of a fish antifreeze protein results in amyloid fibril formation.
Graether et al. (2003)
4 more