4y20

X-ray diffraction
2.2Å resolution

Complex of human Galectin-1 and NeuAcalpha2-3Galbeta1-4Glc

Released:
Source organism: Homo sapiens
Entry authors: Lin HY, Hsieh TJ, Lin CH

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-140623 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (3 distinct):
Galectin-1 Chain: A
Molecule details ›
Chain: A
Length: 154 amino acids
Theoretical weight: 16.89 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P09382 (Residues: 3-135; Coverage: 99%)
Gene name: LGALS1
Sequence domains: Galactoside-binding lectin
Structure domains: Jelly Rolls
Galectin-1 Chain: B
Molecule details ›
Chain: B
Length: 154 amino acids
Theoretical weight: 16.91 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P09382 (Residues: 3-135; Coverage: 99%)
Gene name: LGALS1
Sequence domains: Galactoside-binding lectin
Structure domains: Jelly Rolls

Ligands and Environments

Carbohydrate polymer : NEW Components: GLC, GAL, SIA
No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: NSRRC BEAMLINE BL13C1
Spacegroup: P212121
Unit cell:
a: 42.942Å b: 58.345Å c: 111.969Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.213 0.209 0.248
Expression system: Escherichia coli BL21(DE3)