X-ray diffraction
1.7Å resolution

Structure of Herring Type II Antifreeze Protein


Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
C-type lectin domain-containing protein Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 136 amino acids
Theoretical weight: 15.46 KDa
Source organism: Clupea harengus
Expression system: Komagataella pastoris
  • Canonical: Q91992 (Residues: 18-147; Coverage: 100%)
Gene names: AFP type II, LOC116223802, antifreeze protein type II
Sequence domains: Lectin C-type domain
Structure domains: Mannose-Binding Protein A, subunit A

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X12C
Spacegroup: P212121
Unit cell:
a: 31.279Å b: 146.415Å c: 192.406Å
α: 90° β: 90° γ: 90°
R R work R free
0.209 0.209 0.24
Expression system: Komagataella pastoris