X-ray diffraction
2.05Å resolution

ZP-N domain of mammalian sperm receptor ZP3 (crystal form II, processed in P21221)


Function and Biology Details

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
Maltose/maltodextrin-binding periplasmic protein; Processed zona pellucida sperm-binding protein 3 Chains: A, B
Molecule details ›
Chains: A, B
Length: 481 amino acids
Theoretical weight: 52.95 KDa
Source organisms: Expression system: Escherichia coli BL21(DE3)
  • Canonical: P0AEX9 (Residues: 27-393; Coverage: 99%)
  • Canonical: P10761 (Residues: 42-143; Coverage: 25%)
Gene names: JW3994, Zp-3, Zp3, Zpc, b4034, malE
Sequence domains: Bacterial extracellular solute-binding protein

Ligands and Environments

Carbohydrate polymer : NEW Components: GLC
2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM14
Unit cell:
a: 91.34Å b: 92.16Å c: 140.95Å
α: 90° β: 90° γ: 90°
R R work R free
0.21 0.209 0.241
Expression system: Escherichia coli BL21(DE3)